0000105770-23-000012 | 10-K | XBRL Viewer | West Pharmaceutical Services INC


Document			Parts Into Which Incorporated
Proxy Statement for the 2023 Annual Meeting of Shareholders to be filed not later than 120 days after the end of the fiscal year covered by this Form 10-K.			Part III

Entity Central Index Key

0000105770

Document Fiscal Year Focus

2022

Document Fiscal Period Focus

Amendment Flag

false

Audit Information	12 Months Ended
Audit Information	Dec. 31, 2022
Audit Information [Abstract]
Auditor Name	PricewaterhouseCoopers LLP
Auditor Location	Philadelphia, Pennsylvania
Auditor Firm ID	238

CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Statement [Abstract]
Net sales	$ 2,886.9	$ 2,831.6	$ 2,146.9
Cost of goods and services sold	1,750.7	1,655.8	1,379.1
Gross profit	1,136.2	1,175.8	767.8
Research and development	58.5	52.8	46.9
Selling, general and administrative expenses	316.9	362.8	302.0
Other expense (income) (Note 16)	26.8	7.9	12.0
Operating profit	734.0	752.3	406.9
Interest expense	7.9	8.2	8.2
Interest income	(5.1)	(1.0)	(1.4)
Other nonoperating expense (income)	51.3	(3.8)	(1.2)
Income before income taxes and equity in net income of affiliated companies	679.9	748.9	401.3
Income tax expense	114.7	107.2	72.5
Equity in net income of affiliated companies	(20.7)	(20.1)	(17.4)
Net income	$ 585.9	$ 661.8	$ 346.2
Net income per share:
Basic (in dollars per share)	$ 7.87	$ 8.89	$ 4.68
Diluted (in dollars per share)	$ 7.73	$ 8.67	$ 4.57
Weighted average shares outstanding:
Basic (in shares)	74.4	74.4	73.9
Diluted (in shares)	75.8	76.3	75.8

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Statement of Comprehensive Income [Abstract]
Net income	$ 585.9	$ 661.8	$ 346.2
Other comprehensive (loss) income, net of tax:
Foreign currency translation adjustments, net of tax of $2.2, $2.4, and $(1.0)	(47.3)	(59.3)	40.1
Prior service cost arising during period, net of tax of $0.0, $0.5, and $0.0	0.0	1.5	0.0
Net actuarial (loss) gain arising during period, net of tax of $(2.4), $2.1, and $(0.7)	(9.3)	5.9	(2.5)
Settlement effects arising during period, net of tax of $20.3, $0.4, and $0.9	31.9	1.4	2.9
Less: amortization of actuarial (gain) loss, net of tax of $(0.1), $0.1, and $0.0	(0.5)	0.1	(0.1)
Less: amortization of prior service credit, net of tax of $0.0, $(0.1), and $(0.1).	0.0	(0.2)	(0.5)
Less: amortization of other, net of tax of $0.1, $0.0, and $0.0	0.3	0.0	0.0
Net gain (loss) on equity affiliate accumulated other comprehensive income, net of tax of $0.0, $0.0, and $0.0	0.1	0.9	0.2
Net gain (loss) on derivatives, net of tax of $0.2, $0.5, and $(0.6)	1.4	0.7	(1.1)
Other comprehensive (loss) income, net of tax	(23.4)	(49.0)	39.0
Comprehensive income	$ 562.5	$ 612.8	$ 385.2

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Parenthetical) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Statement of Comprehensive Income [Abstract]
Foreign currency translation adjustments, tax	$ 2.2	$ 2.4	$ (1.0)
Prior service credit arising during period, tax	0.0	0.5	0.0
Net actuarial gain (loss) arising during period, tax	(2.4)	2.1	(0.7)
Settlement effects arising during period, tax	20.3	0.4	0.9
Less: amortization of actuarial loss, tax	(0.1)	0.1	0.0
Less: amortization of prior service credit, tax	0.0	(0.1)	(0.1)
Less: amortization of other, net of tax	0.1	0.0	0.0
Net gain (loss) on investment securities, tax	0.0	0.0	0.0
Net gain (loss) on derivatives, tax	$ 0.2	$ 0.5	$ (0.6)

CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 894.3	$ 762.6
Accounts receivable, net	507.4	489.0
Inventories	414.8	378.4
Other current assets	103.0	112.0
Total current assets	1,919.5	1,742.0
Property, plant and equipment	2,386.6	2,215.0
Less: accumulated depreciation and amortization	1,228.3	1,157.5
Property, plant and equipment, net	1,158.3	1,057.5
Operating lease right-of-use assets	104.4	69.3
Investments in affiliated companies	204.9	207.7
Goodwill	107.3	109.9
Intangible assets, net	18.4	23.0
Deferred income taxes	65.6	48.5
Pension and other postretirement benefits	0.3	16.7
Other noncurrent assets	38.1	39.2
Total Assets	3,616.8	3,313.8
Current liabilities:
Notes payable and other current debt	2.2	44.2
Accounts payable	215.4	232.2
Pension and other postretirement benefits	2.1	2.4
Accrued salaries, wages and benefits	76.8	116.3
Income taxes payable	24.8	26.3
Operating lease liabilities	16.0	9.3
Other current liabilities	181.7	163.4
Total current liabilities	519.0	594.1
Long-term debt	206.7	208.8
Deferred income taxes	14.3	4.9
Pension and other postretirement benefits	28.2	40.5
Operating lease liabilities	93.0	63.0
Deferred compensation benefits	19.1	28.9
Other long-term liabilities	51.6	38.2
Total Liabilities	931.9	978.4
Commitments and contingencies (Note 18)
Equity:
Preferred stock, 3.0 million shares authorized; 0.0 shares issued and outstanding in 2022 and 2021	0.0	0.0
Common stock, par value $0.25 per share; 200 million shares authorized; shares issued: 75.3 million in 2022 and 2021; shares outstanding: 74.1 million and 74.2 million in 2022 and 2021	18.8	18.8
Capital in excess of par value	232.2	249.0
Retained earnings	2,987.8	2,456.7
Accumulated other comprehensive loss	(183.0)	(159.6)
Treasury stock, at cost (1.2 million and 1.1 million shares in 2022 and 2021)	(370.9)	(229.5)
Total Equity	2,684.9	2,335.4
Total Liabilities and Equity	$ 3,616.8	$ 3,313.8

CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares shares in Millions	Dec. 31, 2022	Dec. 31, 2021
Statement of Financial Position [Abstract]
Preferred stock, shares authorized (in shares)	3.0	3.0
Preferred stock, shares issued (in shares)	0.0	0.0
Preferred stock, shares outstanding (in shares)	0.0	0.0
Common stock, par value (in dollars per share)	$ 0.25	$ 0.25
Common stock, shares authorized (in shares)	200.0	200.0
Common stock, shares issued (in shares)	75.3	75.3
Common stock, shares outstanding (in shares)	74.1	74.2
Treasury stock, at cost (in shares)	1.2	1.1

CONSOLIDATED STATEMENTS OF EQUITY - USD ($) $ in Millions	Total	Cumulative Effect, Period of Adoption, Adjustment	Common stock	Capital in excess of par value	Treasury stock	Retained earnings	Retained earnings Cumulative Effect, Period of Adoption, Adjustment	Accumulated other comprehensive loss
Beginning balance (in shares) at Dec. 31, 2019			75,300,000
Beginning balance (in shares) at Dec. 31, 2019					1,200,000
Beginning balance at Dec. 31, 2019	$ 1,573.2	$ (0.1)	$ 18.8	$ 272.7	$ (118.1)	$ 1,549.4	$ (0.1)	$ (149.6)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	346.2					346.2
Activity related to stock-based compensation (in shares)					(700,000)
Activity related to stock-based compensation	60.5			(5.4)	$ 65.9
Shares purchased under share repurchase program (in shares)					800,000
Shares purchased under share repurchase program	(115.5)				$ (115.5)
Dividends declared	(48.8)					(48.8)
Other comprehensive income, net of tax	39.0							39.0
Ending balance (in shares) at Dec. 31, 2020			75,300,000
Ending balance (in shares) at Dec. 31, 2020					1,300,000
Ending balance at Dec. 31, 2020	1,854.5		$ 18.8	267.3	$ (167.7)	1,846.7		(110.6)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	661.8					661.8
Activity related to stock-based compensation (in shares)					(700,000)
Activity related to stock-based compensation	57.0			(18.3)	$ 75.3
Shares purchased under share repurchase program (in shares)					500,000
Shares purchased under share repurchase program	(137.1)				$ (137.1)
Dividends declared	(51.8)					(51.8)
Other comprehensive income, net of tax	$ (49.0)							(49.0)
Ending balance (in shares) at Dec. 31, 2021			75,300,000
Ending balance (in shares) at Dec. 31, 2021	1,100,000				1,100,000
Ending balance at Dec. 31, 2021	$ 2,335.4		$ 18.8	249.0	$ (229.5)	2,456.7		(159.6)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	585.9					585.9
Activity related to stock-based compensation (in shares)					(500,000)
Activity related to stock-based compensation	$ 44.6			(16.8)	$ 61.4
Shares purchased under share repurchase program (in shares)	563,334				600,000
Shares purchased under share repurchase program	$ (202.8)				$ (202.8)
Dividends declared	(54.8)					(54.8)
Other comprehensive income, net of tax	$ (23.4)							(23.4)
Ending balance (in shares) at Dec. 31, 2022			75,300,000
Ending balance (in shares) at Dec. 31, 2022	1,200,000				1,200,000
Ending balance at Dec. 31, 2022	$ 2,684.9		$ 18.8	$ 232.2	$ (370.9)	$ 2,987.8		$ (183.0)

CONSOLIDATED STATEMENTS OF EQUITY (Parenthetical) - $ / shares	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Statement of Stockholders' Equity [Abstract]
Dividends declared per share (in dollars per share)	$ 0.74	$ 0.70	$ 0.66

CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Cash flows from operating activities:
Net income	$ 585.9	$ 661.8	$ 346.2
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	116.9	116.9	104.7
Amortization	3.7	5.4	4.4
Stock-based compensation	23.7	37.5	34.0
Non-cash restructuring charges	15.3	0.0	0.0
Pension settlement charge	52.2	1.8	3.7
Contingent consideration payments in excess of acquisition-date liability	(2.0)	(1.4)	(0.9)
Fixed asset impairments and sale of equipment, net	2.7	1.3	7.7
Deferred income taxes	(30.8)	(42.9)	(5.8)
Pension and other retirement plans, net	(14.0)	14.8	4.6
Equity in undistributed earnings of affiliates, net of dividends	(18.1)	(17.4)	(15.8)
Changes in assets and liabilities:
Increase in accounts receivable	(35.6)	(123.5)	(46.6)
Increase in inventories	(49.8)	(86.5)	(73.7)
Decrease (increase) in other current assets	18.5	(7.3)	5.5
(Decrease) increase in accounts payable	(2.8)	16.8	36.6
Changes in other assets and liabilities	58.2	6.7	67.9
Net cash provided by operating activities	724.0	584.0	472.5
Cash flows from investing activities:
Capital expenditures	(284.6)	(253.4)	(174.4)
Acquisition of business	0.0	(2.2)	0.0
Other, net	(3.6)	2.5	(5.1)
Net cash used in investing activities	(288.2)	(253.1)	(179.5)
Cash flows from financing activities:
Debt issuance cost	(1.2)	0.0	0.0
Repayments of long-term debt	(44.3)	(2.2)	(2.3)
Dividend payments	(54.1)	(51.1)	(48.1)
Proceeds from stock-based compensation awards	20.9	29.4	28.3
Employee stock purchase plan contributions	7.3	7.7	6.4
Shares purchased under share repurchase programs	(202.8)	(137.1)	(115.5)
Shares repurchased for employee tax withholdings	(19.4)	(14.8)	(5.9)
Net cash used in financing activities	(293.6)	(168.1)	(137.1)
Effect of exchange rates on cash	(10.5)	(15.7)	20.5
Net increase in cash and cash equivalents	131.7	147.1	176.4
Cash, including cash equivalents at beginning of period	762.6	615.5	439.1
Cash, including cash equivalents at end of period	894.3	762.6	615.5
Supplemental cash flow information:
Interest paid, net of amounts capitalized	6.6	8.0	8.1
Income taxes paid, net	109.7	171.8	48.4
Accrued capital expenditures	33.2	41.1	31.3
Dividends declared, not paid	$ 14.1	$ 13.4	$ 12.6

Basis of Presentation and Summary of Significant Accounting Policies

12 Months Ended

Dec. 31, 2022

Accounting Policies [Abstract]

Basis of Presentation and Summary of Significant Accounting Policies

Principles of Consolidation: The consolidated financial statements include the accounts of West Pharmaceutical Services, Inc. ("West") after the elimination of intercompany transactions. We have no participation or other rights in variable interest entities.

West has been actively monitoring the coronavirus (“COVID-19”) situation and its impact globally. Our production facilities continue to operate as they had prior to the COVID-19 pandemic, other than for enhanced safety measures intended to prevent the spread of the virus.

Use of Estimates: The financial statements are prepared in conformity with U.S. GAAP. These principles require management to make estimates and assumptions that affect the reported amounts of assets, liabilities, revenues and expenses and the disclosure of contingencies in the financial statements. Actual amounts realized may differ from these estimates.

Cash and Cash Equivalents: Cash equivalents include time deposits, certificates of deposit and all highly liquid short-term instruments with maturities of three months or less at the time of purchase.

Accounts Receivable: Our accounts receivable balance was net of an allowance for credit losses of $0.2 million and $0.4 million at December 31, 2022 and 2021, respectively. Under the current expected credit loss model, we have adopted a provision matrix approach, utilizing historical loss rates based on the number of days past due, adjusted to reflect current economic conditions and forecasts of future economic conditions.

Inventories: Inventories are valued at the lower of cost (on a first-in, first-out basis) or net realizable value. The Company provides for cost adjustments for excess, obsolete or slow-moving inventory based on changes in customer demand, technology developments or other economic factors. The following is a summary of inventories at December 31:


($ in millions)	2022		2021
Raw materials	$	170.7	$	153.8
Work in process	79.0		63.5
Finished goods	165.1		161.1
	$	414.8	$	378.4

Property, Plant and Equipment: Property, plant and equipment assets are carried at cost. Maintenance and minor repairs and renewals are charged to expense as incurred. Costs incurred for computer software developed or obtained for internal use are capitalized for application development activities and immediately expensed for preliminary project activities or post-implementation activities. Upon sale or retirement of depreciable assets, costs and related accumulated depreciation are eliminated, and gains or losses are recognized in other expense (income). Depreciation and amortization are computed principally using the straight-line method over the estimated useful lives of the assets, or the remaining term of the lease, if shorter.

Leases: Operating lease right-of-use assets are initially measured at cost, which comprises the initial amount of the lease liability adjusted for lease payments made at or before the lease commencement date, plus any initial direct costs incurred less any lease incentives received. Operating lease right-of-use assets are subsequently measured throughout the lease term at the carrying amount of the lease liability, plus initial direct costs, plus (minus) any prepaid (accrued) lease payments, less the unamortized balance of lease incentives received. Lease expense for lease payments is recognized on a straight-line basis over the lease term. Operating lease liabilities are initially measured at the present value of the unpaid lease payments at the lease commencement date. We had no finance leases as of December 31, 2022 and 2021. Please refer to Note 6, Leases, for additional information.

Impairment of Long-Lived Assets: Long-lived assets, including property, plant and equipment and operating lease right-of-use assets, are tested for impairment whenever circumstances indicate that the carrying value of these assets may not be recoverable. An asset is considered impaired if the carrying value of the asset exceeds the sum of the future expected undiscounted cash flows to be derived from the asset. Once an asset is considered impaired, an impairment loss is recorded within other expense (income) for the difference between the asset’s carrying value and its fair value. For assets held and used in the business, management determines fair value using estimated future cash flows to be derived from the asset, discounted to a net present value using an appropriate discount rate. For assets held for sale or for investment purposes, management determines fair value by estimating the proceeds to be received upon sale of the asset, less disposition costs.

Impairment of Goodwill and Other Intangible Assets: Goodwill is tested for impairment at least annually, following the completion of our annual budget and long-range planning process, or whenever circumstances indicate that the carrying value of these assets may not be recoverable. Goodwill is tested for impairment at the reporting unit level, which is the same as, or one level below, our operating segments. A goodwill impairment charge represents the amount by which a reporting unit’s carrying amount exceeds its fair value, not to exceed the total amount of goodwill allocated to that reporting unit. Accounting guidance also allows entities to first assess qualitative factors, including macroeconomic conditions, industry and market considerations, cost factors, and overall financial performance, to determine whether it is necessary to perform the quantitative goodwill impairment test. We elected to follow this guidance for our annual impairment test. Based upon our assessment, we determined that it was not more likely than not that the fair value of each of our reporting units was less than its carrying amount and determined that it was not necessary to perform the quantitative goodwill impairment test.

Valuing identifiable intangible assets requires judgment. For example, for recent identifiable customer relationship intangible asset acquisitions, we applied an excess earnings model, which is a form of the income approach. This approach includes projecting revenues and expenses attributable to the existing customers over the remaining economic life of the customer relationships and then subtracting the required return on net tangible assets and any intangible assets used in the business to estimate any residual excess earnings attributable to the customer relationships. The after-tax excess earnings are then discounted to present value using the respective discount rates. Intangible assets with finite lives are amortized using the straight-line method over their estimated useful lives of 3 to 25 years, and reviewed for impairment whenever circumstances indicate that the carrying value of these assets may not be recoverable. Factors that could trigger an impairment review include the following: 1) significant under-performance relative to historical or projected future operating results; 2) significant changes in the manner of use of the acquired assets or the strategy of the overall business; 3) significant negative industry or economic trends; and 4) recognition of goodwill impairment charges. If we determine that the carrying value of identifiable intangibles assets may not be recoverable based on the existence of one or more of the above indicators of impairment, we measure recoverability of assets by comparing the respective carrying value of the assets to the current and expected future cash flows, on an un-discounted basis, to be generated from such assets. If such analysis indicates that the carrying value of these assets is not recoverable, we measure an impairment based on the amount in which the net carrying amount of the assets exceeds the fair values of the assets.

Employee Benefits: The measurement of the obligations under our defined benefit pension and postretirement medical plans are subject to a number of assumptions. These include the rate of return on plan assets (for funded plans) and the rate at which the future obligations are discounted to present value. For our funded plans, we consider the current and expected asset allocations of our plan assets, as well as historical and expected rates of return, in estimating the long-term rate of return on plan assets. U.S. GAAP requires the recognition of an asset or liability for the funded status of a defined benefit postretirement plan, as measured by the difference between the fair value of plan assets, if any, and the benefit obligation. For a pension plan, the benefit obligation is the projected benefit obligation; for any other postretirement plan, such as a retiree health plan, the benefit obligation is the accumulated postretirement benefit obligation. Please refer to Note 15, Benefit Plans, for a more detailed discussion of our pension and other retirement plans.

Financial Instruments: All derivatives are recognized as either assets or liabilities in the balance sheet and recorded at their fair value. For a derivative designated as hedging the exposure to variable cash flows of a forecasted transaction (referred to as a cash flow hedge), the effective portion of the derivative’s gain or loss is initially reported as a component of other comprehensive income (“OCI”), net of tax, and subsequently reclassified into earnings when the forecasted transaction affects earnings. For a derivative designated as hedging the exposure to changes in the fair value of a recognized asset or liability or a firm commitment (referred to as a fair value hedge), the derivative’s gain or loss is recognized in earnings in the period of change together with the offsetting loss or gain on the hedged item. For a derivative designated as hedging the foreign currency exposure of a net investment in a foreign operation, the gain or loss is reported in OCI, net of tax, as part of the cumulative translation adjustment. The ineffective portion of any derivative used in a hedging transaction is recognized immediately into earnings. Derivative financial instruments that are not designated as hedges are also recorded at fair value, with the change in fair value recognized immediately into earnings. We do not purchase or hold any derivative financial instrument for investment or trading purposes.

Foreign Currency Translation: Foreign currency transaction gains and losses are recognized in the determination of net income. Foreign currency translation adjustments of subsidiaries and affiliates operating outside of the U.S. are accumulated in other comprehensive loss, a separate component of equity.

Revenue Recognition: Our revenue results from the sale of goods or services and reflects the consideration to which we expect to be entitled in exchange for those goods or services. We record revenue based on a five-step model, in accordance with Accounting Standards Codification (“ASC”) 606. Following the identification of a contract with a customer, we identify the performance obligations (goods or services) in the contract, determine the transaction price, allocate the transaction price to the performance obligations in the contract, and recognize the revenue when (or as) we satisfy the performance obligations by transferring the promised goods or services to our customers. A good or service is transferred when (or as) the customer obtains control of that good or service. We have elected to disregard the effects of a significant financing component, as we expect, at the inception of our contracts, that the period between when we transfer a promised good or service to the customer and when the customer pays for that good or service will be one year or less. In addition, we have elected to omit the disclosure of the majority of our remaining performance obligations, which are satisfied within one year or less. Please refer to Note 3, Revenue, for additional information.

Shipping and Handling Costs: Shipping and handling costs are included in cost of goods and services sold. Shipping and handling costs billed to customers in connection with the sale are included in net sales.

Research and Development: Research and development expenditures are for the creation, engineering and application of new or improved products and processes. Expenditures include primarily salaries and outside services for those directly involved in research and development activities and are primarily expensed as incurred.

Environmental Remediation and Compliance Costs: Environmental remediation costs are accrued when such costs are probable and reasonable estimates are determinable. Cost estimates include investigation, cleanup and monitoring activities; such estimates are adjusted, if necessary, based on additional findings. Environmental compliance costs are expensed as incurred as part of normal operations.

Litigation: From time to time, we are involved in legal proceedings, investigations and claims generally incidental to our normal business activities. In accordance with U.S. GAAP, we accrue for loss contingencies when it is probable that a liability has been incurred and the amount of the loss can be reasonably estimated. These estimates are based on an analysis made by internal and external legal counsel considering information known at the time. Legal costs in connection with loss contingencies are expensed as incurred.

Income Taxes: Deferred income taxes are recognized by applying enacted statutory tax rates to tax loss carryforwards and temporary differences between the tax basis and financial statement carrying values of our assets and liabilities. The enacted statutory tax rate applied is based on the rate expected to be applicable at the time of the forecasted utilization of the loss carryforward or reversal of the temporary difference. Valuation allowances on deferred tax assets are established when it is more likely than not that all or a portion of a deferred tax asset will not be realized. The realizability of deferred tax assets is subject to our estimates of future taxable income, generally at the respective subsidiary company and the country level. Please refer to Note 17, Income Taxes, for additional information. We recognize interest costs related to income taxes in interest expense and penalties within other expense (income). The tax law ordering approach is used for purposes of determining whether an excess tax benefit has been realized during the year.

Stock-Based Compensation: Under the fair value provisions of U.S. GAAP, stock-based compensation cost is measured at the grant date based on the value of the award and is recognized as expense over the vesting period. In order to determine the fair value of stock options on the grant date, we use the Black-Scholes valuation model. Please refer to Note 14, Stock-Based Compensation, for a more detailed discussion of our stock-based compensation plans.

Net Income Per Share: Basic net income per share is computed by dividing net income attributable to common shareholders by the weighted average number of shares of common stock outstanding during each period. Net income per share assuming dilution considers the dilutive effect of outstanding stock options and other stock awards based on the treasury stock method. The treasury stock method assumes the use of exercise proceeds to repurchase common stock at the average fair market value in the period.

New Accounting Standards	12 Months Ended
New Accounting Standards	Dec. 31, 2022
Accounting Standards Update and Change in Accounting Principle [Abstract]
New Accounting Standards	New Accounting Standards Recently Adopted Standards In November 2021, the Financial Accounting Standards Board ("FASB") issued guidance that seeks to improve the transparency of financial disclosures for government assistance received by business entities. The amendment requires disclosures for transactions with a government accounted for by applying a grant or contribution accounting model by analogy, including (1) the types of transactions, (2) the accounting for those transactions, and (3) the effect of those transactions on an entity’s financial statements. This guidance is effective for fiscal years beginning after December 15, 2021. We adopted this guidance as of January 1, 2022, on a prospective basis. The adoption did not have a material impact on our financial statements. In March 2020, the FASB issued guidance which provides optional expedients and exceptions to address the impact of reference rate reform where contracts, hedging relationships and other transactions that reference the London Interbank Offered Rate ("LIBOR") or another reference rate need to be discontinued. This guidance was effective upon issuance and generally can be applied through December 31, 2022. We adopted this guidance during the year by executing amendments to certain contracts to replace the use of LIBOR. The adoption did not have a material impact on our financial statements.

- Definition

The entire disclosure for change in accounting principle. Includes, but is not limited to, nature, reason, and method of adopting amendment to accounting standards or other change in accounting principle.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 250
-URI https://asc.fasb.org/topic&trid=2122394

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 105
-SubTopic 10
-Section 65
-Paragraph 6
-Subparagraph (f)
-URI https://asc.fasb.org/extlink&oid=126987489&loc=SL124442142-165695

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 20
-Section 65
-Paragraph 2
-Subparagraph (d)(1)
-URI https://asc.fasb.org/extlink&oid=126986314&loc=SL124402458-218513

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 40
-Section 65
-Paragraph 2
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+ Details

Revenue

12 Months Ended

Dec. 31, 2022

Revenue from Contract with Customer [Abstract]

Revenue

Revenue Recognition

We recognize the majority of our revenue, primarily relating to Proprietary Products product sales, at a point in time, following the transfer of control of our products to our customers, which typically occurs upon shipment or delivery, depending on the terms of the related agreements.

We recognize revenue relating to our Contract-Manufactured Products product sales and certain Proprietary Products product sales over time, as our performance does not create an asset with an alternative use to us and we have an enforceable right to payment for performance completed to date.

We recognize revenue relating to our development and tooling agreements over time, as our performance creates or enhances an asset that the customer controls as the asset is created or enhanced.

For revenue recognized over time, revenue is recognized by applying a method of measuring progress toward complete satisfaction of the related performance obligation. When selecting the method for measuring progress, we select the method that best depicts the transfer of control of goods or services promised to our customers.

Revenue for our Contract-Manufactured Products product sales, certain Proprietary Products product sales, and our development and tooling agreements is recorded under an input method, which recognizes revenue on the basis of our efforts or inputs to the satisfaction of a performance obligation (for example, resources consumed, labor hours expended, costs incurred, time elapsed, or machine hours used) relative to the total expected inputs to the satisfaction of that performance obligation. The input method that we use is based on costs incurred.

The majority of the performance obligations within our contracts are satisfied within one year or less. Performance obligations satisfied beyond one year include those relating to a nonrefundable customer payment of $20.0 million received in June 2013 in return for the exclusive use of the SmartDose® technology platform within a specific therapeutic area. As of December 31, 2022, there was $3.0 million of deferred income related to this payment, of which $0.9 million was included in other current liabilities and $2.1 million was included in other long-term liabilities. The deferred income is being recognized as income on a straight-line basis over the remaining term of the agreement. The agreement does not include a future minimum purchase commitment from the customer.

Our revenue can be generated from contracts with multiple performance obligations. When a sales agreement involves multiple performance obligations, each obligation is separately identified and the transaction price is allocated based on the amount of consideration we expect to be entitled in exchange for transferring the promised good or service to the customer.

Some customers receive pricing rebates upon attaining established sales volumes. We record rebate costs when sales occur based on our assessment of the likelihood that the required volumes will be attained. We also maintain an allowance for product returns, as we believe that we are able to reasonably estimate the amount of returns based on our substantial historical experience and specific identification of customer claims.

The following table presents the approximate percentage of our net sales by market group:


	2022		2021		2020
Biologics	41	%	41	%	31	%
Generics	18	%	17	%	20	%
Pharma	24	%	24	%	26	%
Contract-Manufactured Products	17	%	18	%	23	%
	100	%	100	%	100	%

The following table presents the approximate percentage of our net sales by product category:


	2022		2021		2020
High-Value Product Components	55	%	54	%	46	%
High-Value Product Delivery Devices	5	%	5	%	5	%
Standard Packaging	23	%	23	%	26	%
Contract-Manufactured Products	17	%	18	%	23	%
	100	%	100	%	100	%

The following table presents the approximate percentage of our net sales by geographic location:


	2022		2021		2020
Americas	48	%	45	%	48	%
Europe, Middle East, Africa	43	%	45	%	43	%
Asia Pacific	9	%	10	%	9	%
	100	%	100	%	100	%

Contract Assets and Liabilities

Contract assets and liabilities result from transactions with revenue primarily recorded over time. If the measure of remaining rights exceeds the measure of the remaining performance obligations, we record a contract asset. Contract assets are recorded on the consolidated balance sheet in accounts receivable, net, and other assets (current and noncurrent portions, respectively). Contract assets included in accounts receivable, net, relate to the unbilled amounts of our product sales for which we have recognized revenue over time. Contract assets included in other assets represent the remaining performance obligations of our development and tooling agreements. Conversely, if the measure of the remaining performance obligations exceeds the measure of the remaining rights, we record a contract liability. Contract liabilities are recorded on the consolidated balance sheet within other liabilities (current and noncurrent portions, respectively) and represent cash payments received in advance of our performance.

The following table summarizes our contract assets and liabilities, excluding amounts included in accounts receivable, net:


	($ in millions)
Contract assets, December 31, 2021	$	14.6
Contract assets, December 31, 2022	16.3
Change in contract assets - increase (decrease)	$	1.7

Deferred income, December 31, 2021	$	(61.3)
Deferred income, December 31, 2022	(68.2)
Change in deferred income - (increase) decrease	$	(6.9)

Contract assets are included within other current assets and deferred income is included within other current liabilities and other long-term liabilities. The increase in deferred income during 2022 was primarily due to additional cash payments of $88.3 million received in advance of satisfying future performance obligations, partially offset by the recognition of current year revenue of $54.2 million, and $28.0 million of revenue was recognized that was included in deferred income at the beginning of the year.

- Definition

The entire disclosure of revenue from contract with customer to transfer good or service and to transfer nonfinancial asset. Includes, but is not limited to, disaggregation of revenue, credit loss recognized from contract with customer, judgment and change in judgment related to contract with customer, and asset recognized from cost incurred to obtain or fulfill contract with customer. Excludes insurance and lease contracts.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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+ Details

Net Income Per Share

12 Months Ended

Dec. 31, 2022

Earnings Per Share [Abstract]

Net Income Per Share

The following table reconciles the shares used in the calculation of basic net income per share to those used for diluted net income per share:


(in millions)	2022		2021		2020
Net income	$	585.9	$	661.8	$	346.2
Weighted average common shares outstanding	74.4		74.4		73.9
Dilutive effect of equity awards, based on the treasury stock method	1.4		1.9		1.9

Weighted average shares assuming dilution	75.8		76.3		75.8

During 2022, 2021 and 2020, there were 0.2 million, 0.0 million, and 0.0 million shares, respectively, from stock-based compensation plans not included in the computation of diluted net income per share because their impact was antidilutive.

In December 2021, we announced a share repurchase program for calendar-year 2022 authorizing the repurchase of up to 650,000 shares of our common stock from time to time on the open market or in privately-negotiated transactions. There were no shares purchased during the three months ended December 31, 2022. During the year ended December 31, 2022, we purchased 563,334 shares of our common stock under the now completed program at a cost of $202.8 million, or an average price of $360.03 per share.

In February 2023, the Board of Directors approved a share repurchase program under which we may repurchase up to $1.0 billion in shares of common stock. The share repurchase program does not have an expiration date under which we may repurchase common stock on the open market or in privately-negotiated transactions. The number of shares to be repurchased and the timing of such transactions will depend on a variety of factors, including market conditions.

Property, Plant and Equipment

12 Months Ended

Dec. 31, 2022

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment

A summary of gross property, plant and equipment at December 31 is presented in the following table:


($ in millions)	Expected useful lives (years)	2022		2021
Land		$	29.0	$	29.3
Buildings and improvements	15-35	663.6		644.8
Machinery and equipment	5-12	1,039.7		976.1
Molds and dies	4-7	154.5		139.5
Computer hardware and software	3-10	193.9		182.6
Construction in progress		305.9		242.7
		$	2,386.6	$	2,215.0

Depreciation expense for the years ended December 31, 2022, 2021 and 2020 was $116.9 million, $116.9 million and $104.7 million, respectively.

We capitalize interest on borrowings during the active construction period of major capital projects. Capitalized interest is added to the cost of the underlying assets and is amortized over the useful lives of the assets. Capitalized interest for the years ended December 31, 2022, 2021 and 2020 was $3.7 million, $2.0 million and $1.4 million, respectively.

Leases

12 Months Ended

Dec. 31, 2022

Leases [Abstract]

Leases

As of December 31, 2022, we had operating leases primarily related to land, buildings, and machinery and equipment, with lease terms through 2047. Certain of our operating leases provide us with an option, exercisable at our sole discretion, to terminate the lease or extend the lease term for one year or more. At this time, the Company is not able to assert whether any of these options will be exercised. We had no finance leases as of December 31, 2022 and 2021.

Judgments used in applying ASC 842 include determining: i) whether a contract is, or contains, a lease; ii) the discount rate to be used to discount the unpaid lease payments to present value; iii) the lease term; and iv) the lease payments. We determine if a contract is, or contains, a lease at contract inception. A lease exists when a contract conveys to the customer the right to control the use of identified property, plant, or equipment for a period of time in exchange for consideration. The definition of a lease embodies two conditions: 1) there is an identified asset in the contract that is land or a depreciable asset (i.e., property, plant, and equipment); and 2) the customer has the right to control the use of the identified asset.

ASC 842 requires a lessee to discount its unpaid lease payments using the interest rate implicit in the lease or, if that rate cannot be readily determined, its incremental borrowing rate. As all of our operating leases do not provide an implicit rate, we use our incremental borrowing rate based on the information available at commencement date in determining the present value of lease payments. Our incremental borrowing rate for a lease is the rate of interest we would have to pay on a collateralized basis to borrow an amount equal to the lease payments under similar terms. The lease term for all of our operating leases includes the noncancellable period of the lease plus any additional periods covered by either a lessee option to extend (or not to terminate) the lease that the lessee is reasonably certain to exercise, or an option to extend (or not to terminate) the lease controlled by the lessor. Lease payments included in the measurement of the operating lease right-of-use assets and lease liabilities are comprised of fixed payments (including in-substance fixed payments), variable payments that depend on an index or rate, and the exercise price of a lessee option to purchase the underlying asset if the lessee is reasonably certain to exercise.

The components of lease expense were as follows:


($ in millions)	2022		2021		2020
Operating lease cost	$	15.5	$	12.7	$	12.8
Short-term lease cost	1.3		1.3		0.8
Variable lease cost	6.8		4.8		3.8
Total lease cost	$	23.6	$	18.8	$	17.4

Supplemental information related to leases was as follows:


($ in millions)	2022		2021		2020
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$	13.3	$	12.1	$	12.6

Right-of-use assets obtained in exchange for new operating lease liabilities	$	47.6	$	13.3	$	6.1

As of December 31, 2022 and December 31, 2021, the weighted average remaining lease term for operating leases was 9.31 years and 10.7 years and the weighted average discount rate was 3.25% and 3.58%, respectively.

Maturities of lease liabilities as of December 31, 2022 were as follows:


($ in millions)	Operating
Year	Leases
2023	$	19.0
2024	18.1
2025	16.0
2026	13.4
2027	9.4
Thereafter	50.8
	126.7
Less: imputed lease interest	(17.7)
Total lease liabilities	$	109.0

Practical Expedients and Exemptions

We have elected to adopt practical expedients around the combination of lease and non-lease components and the portfolio approach relating to discount rates. These practical expedients were applied consistently to all leases.

We have elected not to recognize operating lease right-of-use assets and operating lease liabilities for all short-term leases (leases with an initial lease term of 12 months or less). We recognize the lease payments associated with our short-term leases as an expense over the lease term.

Affiliated Companies

12 Months Ended

Dec. 31, 2022

Equity Method Investments and Joint Ventures [Abstract]

Affiliated Companies

At December 31, 2022, the following affiliated companies were accounted for under the equity method:


	Location	Ownership interest
The West Company Mexico, S.A. de C.V.	Mexico	49%
Aluplast S.A. de C.V.	Mexico	49%
Pharma Tap S.A. de C.V.	Mexico	49%
Pharma Rubber S.A. de C.V.	Mexico	49%
Daikyo	Japan	49%

Unremitted income of affiliated companies included in consolidated retained earnings amounted to $133.6 million, $115.6 million and $98.2 million at December 31, 2022, 2021 and 2020, respectively. Dividends received from affiliated companies were $2.6 million in 2022, $2.7 million in 2021 and $1.6 million in 2020.

Our equity in net unrealized gains of Daikyo’s investment securities and derivative instruments, as well as pension adjustments, included in accumulated other comprehensive loss was $1.6 million, $1.5 million and $0.6 million at December 31, 2022, 2021 and 2020, respectively.

Our purchases from, and royalty payments made to, affiliates totaled $167.6 million, $155.0 million and $143.3 million, respectively, in 2022, 2021 and 2020, of which $31.2 million and $25.5 million was due and payable as of December 31, 2022 and 2021, respectively. The majority of these transactions related to a distributorship agreement with Daikyo that allows us to purchase and re-sell Daikyo products. Sales to affiliates were $14.2 million, $12.0 million and $9.7 million, respectively, in 2022, 2021 and 2020, of which $2.2 million and $2.3 million was receivable as of December 31, 2022 and 2021, respectively.

At December 31, 2022 and 2021, the aggregate carrying amount of our investment in affiliated companies that are accounted for under the equity method was $197.0 million and $201.2 million, respectively, and the aggregate carrying amount of our investment in affiliated companies that are not accounted for under the equity method was $7.9 million and $6.5 million, respectively. We have elected to record these investments, for which fair value was not readily determinable, at cost, less impairment, adjusted for subsequent observable price changes. We test these investments for impairment whenever circumstances indicate that the carrying value of the investments may not be recoverable.

Goodwill and Intangible Assets

12 Months Ended

Dec. 31, 2022

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Intangible Assets

The changes in the carrying amount of goodwill by reportable segment were as follows:


($ in millions)	Proprietary Products		Contract-Manufactured Products		Total
Balance, December 31, 2020	$	80.9	$	30.2	$	111.1
Goodwill recorded due to acquisition	1.7		—		1.7
Goodwill impairment charge	(0.1)		—		(0.1)
Foreign currency translation	(2.4)		(0.4)		(2.8)
Balance, December 31, 2021	80.1		29.8		109.9


Foreign currency translation	(2.2)		(0.4)		(2.6)
Balance, December 31, 2022	$	77.9	$	29.4	$	107.3

As of December 31, 2022, we had $0.1 million of accumulated goodwill impairment losses.

Intangible assets and accumulated amortization as of December 31 were as follows:


	2022						2021
($ in millions)	Cost		Accumulated amortization		Net		Cost		Accumulated amortization		Net
Patents and licensing	$	24.5	$	(20.6)	$	3.9	$	25.1	$	(19.4)	$	5.7
Technology	3.3		(2.2)		1.1		3.3		(2.0)		1.3
Trademarks	1.9		(1.8)		0.1		2.0		(1.9)		0.1
Customer relationships	39.6		(27.2)		12.4		40.1		(25.4)		14.7
Customer contracts	10.9		(10.0)		0.9		10.6		(9.4)		1.2
	$	80.2	$	(61.8)	$	18.4	$	81.1	$	(58.1)	$	23.0

The cost basis of intangible assets includes a foreign currency translation loss of $0.9 million and $1.3 million for the years ended December 31, 2022 and 2021, respectively. Amortization expense for the years ended December 31, 2022, 2021 and 2020 was $3.7 million, $5.4 million and $4.4 million, respectively. Estimated annual amortization expense for the next five years is as follows: 2023 - $3.6 million, 2024 - $3.6 million, 2025 - $3.0 million, 2026 - $2.6 million and 2027 - $2.4 million.

Other Current Liabilities

12 Months Ended

Dec. 31, 2022

Other Current Liabilities [Abstract]

Other Current Liabilities

Other current liabilities as of December 31 included the following:


($ in millions)	2022		2021
Deferred income	$	57.3	$	48.7
Dividends payable	14.1		13.4
Accrued commissions, rebates and royalties	32.1		38.7
Accrued retirement plans (excluding pension)	10.6		8.8
Accrued taxes other than income	13.7		13.0
Accrued professional services	5.4		3.7
Accrued interest	2.5		3.2
Restructuring and severance related charges	11.3		4.6
Short term derivative instruments	1.3		3.3
Other	33.4		26.0
Total other current liabilities	$	181.7	$	163.4

Debt

12 Months Ended

Dec. 31, 2022

Debt Disclosure [Abstract]

Debt

The following table summarizes our long-term debt obligations, net of unamortized debt issuance costs and current maturities, at December 31. The interest rates shown in parentheses are as of December 31, 2022 with the exception of the Series A notes which are as of December 31, 2021.


($ in millions)	2022		2021





Term Loan, due December 31, 2024 (5.56%)	$	83.2	$	85.5
Series A notes, due July 5, 2022 (3.67%)	—		42.0
Series B notes, due July 5, 2024 (3.82%)	53.0		53.0
Series C notes, due July 5, 2027 (4.02%)	73.0		73.0
	209.2		253.5
Less: unamortized debt issuance costs for Term Loan and Series notes	0.3		0.5
Total debt	208.9		253.0
Less: current portion of long-term debt	2.2		44.2
Long-term debt, net	$	206.7	$	208.8

Credit Facility

In March 2022, we amended and extended the existing credit facility (entered into in March 2019), which was scheduled to expire in March 2024, from $300.0 million to a $500.0 million senior unsecured revolving credit facility by entering into a Second Amendment and Joinder and Assumption Agreement (the "Amended Credit Agreement"). The Amended Credit Agreement, which expires March 2027, contains a senior unsecured, multi-currency revolving credit facility of $500.0 million, with sublimits of up to $50.0 million for swing line loans for Domestic Borrowers in U.S. dollars and a $40.0 million swing line loan for West Pharmaceuticals Services Holding GmbH and up to $50.0 million for the issuance of standby letters of credit. The credit facility may be increased from time-to-time by the greater of (a) $929.0 million or (b) EBITDA for the preceding twelve month period in the aggregate through an increase in the revolving credit facility, subject to the satisfaction of certain conditions. Borrowings under the credit facility bear interest, at the Company’s option, at either: (a) the Term Secured Overnight Financing Rate (“SOFR”) plus 0.10% plus an applicable margin; or (b) a base rate defined as the highest of: (i) the Bank of America “prime rate”; (ii) the Federal Funds effective rate plus 0.50%; and (iii) Term SOFR plus 1.00%. The applicable margin is based on the ratio of the Company’s Net Consolidated Debt to its modified EBITDA, ranging from 0 to 37.5 basis points for base rate loans and 87.5 to 137.5 basis points for Term SOFR loans. The Amended Credit Agreement contains financial covenants providing that the Company shall not permit the ratio of the Company’s Net Consolidated Debt to its Modified EBITDA to be greater than 3.5 to 1; provided that, no more than three times during the term of the Amended Credit Agreement, upon the occurrence of a Qualified Acquisition for each of the four fiscal quarters of the Company immediately following such Qualified Acquisition, the ratio set forth above shall be increased to 4.0 to 1. The Amended Credit Agreement also contains customary limitations on liens securing indebtedness of the Company and its subsidiaries, fundamental changes (mergers, consolidations, liquidations and dissolutions), asset sales, distributions and acquisitions. As of December 31, 2022 and 2021, total unamortized debt issuance costs of $1.3 million and $0.1 million, respectively, were recorded in other current assets and other noncurrent assets and are being amortized as additional interest expense over the term of the Credit Facility.

At December 31, 2022, we had no outstanding borrowings under the Credit Facility. At December 31, 2022, the borrowing capacity available under the Credit Facility, including outstanding letters of credit of $2.4 million, was $497.6 million.

Term Loan

In December 2019, we entered into a First Amendment and Incremental Facility Amendment (the “First Amendment”) to the Credit Agreement. Pursuant to the First Amendment and the Credit Agreement, we established the Term Loan in the amount of $90.0 million, which is due on December 31, 2024. Borrowings under the Term Loan bear interest at the three-month Term SOFR plus 87.5 basis points. As of December 31, 2022 and 2021, there were unamortized debt issuance costs remaining of $0.1 million and $0.1 million, respectively, which are being amortized as additional interest expense over the term of the Term Loan.

At December 31, 2022, we had $83.2 million in borrowings under the Term Loan, of which $2.2 million was classified as current and $81.0 million was classified as long-term. Please refer to Note 11, Derivative Financial Instruments, for a discussion of the foreign currency hedge associated with the Term Loan.

Private Placement

In 2012, we concluded a private placement issuance of $168.0 million in senior unsecured notes. The total amount of the private placement issuance was divided into three tranches - $42.0 million 3.67% Series A Notes due July 5, 2022, $53.0 million 3.82% Series B Notes due July 5, 2024, and $73.0 million 4.02% Series C Notes due July 5, 2027 (the “Notes”). The Notes rank pari passu with our other senior unsecured debt. The weighted average of the coupon interest rates on the Notes outstanding as of December 31, 2022 is 3.94%. As of December 31, 2022 and 2021, there were unamortized debt issuance costs remaining of $0.2 million and $0.3 million, respectively, which are being amortized as additional interest expense over the term of the Notes.

Covenants

Pursuant to the financial covenants in our debt agreements, we are required to maintain established interest coverage ratios and to not exceed established leverage ratios. In addition, the agreements contain other customary covenants, none of which we consider restrictive to our operations. At December 31, 2022, we were in compliance with all of our debt covenants.

Interest costs incurred during 2022, 2021 and 2020 were $11.6 million, $10.2 million and $9.6 million, respectively. The aggregate annual maturities of long-term debt, excluding unamortized debt issuance costs, are as follows: $2.2 million in 2023, 2024 - $134.0 million, 2025 - $0.0 million, 2026 - $0.0 million, 2027 - $73.0 million, and thereafter - $0.0 million.

- Definition

The entire disclosure for information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
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-Paragraph 1B
-Subparagraph (h)
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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-Subparagraph (d)
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Reference 6: http://www.xbrl.org/2003/role/disclosureRef
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-Subparagraph (SX 210.4-08(c))
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-Publisher FASB
-Name Accounting Standards Codification
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-Section 50
-Paragraph 1B
-Subparagraph (g)
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-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
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-Publisher FASB
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-URI https://asc.fasb.org/extlink&oid=123466505&loc=SL123495334-112611

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Reference 12: http://www.xbrl.org/2003/role/disclosureRef
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-URI https://asc.fasb.org/extlink&oid=123466505&loc=SL123495371-112611

Reference 13: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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+ Details

Derivative Financial Instruments

12 Months Ended

Dec. 31, 2022

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Derivative Financial Instruments

Our ongoing business operations expose us to various risks, such as fluctuating interest rates, foreign currency exchange rates and increasing commodity prices. To manage these market risks, we periodically enter into derivative financial instruments, such as interest rate swaps, options and foreign exchange contracts for periods consistent with, and for notional amounts equal to or less than, the related underlying exposures. We do not purchase or hold any derivative financial instruments for investment or trading purposes. All derivatives are recorded in our consolidated balance sheet at fair value.

Foreign Currency Exchange Rate Risk

We have entered into forward exchange contracts, designated as fair value hedges, to manage our exposure to fluctuating foreign exchange rates on cross-currency intercompany loans. As of December 31, 2022 and December 31, 2021, the total amount of these forward exchange contracts was Singapore Dollar ("SGD") 601.5 million and $13.4 million.

In addition, we have entered into several foreign currency contracts, designated as cash flow hedges, for periods of up to eighteen months, intended to hedge the currency risk associated with a portion of our forecasted transactions denominated in foreign currencies. As of December 31, 2022, we had outstanding foreign currency contracts to purchase and sell certain pairs of currencies, as follows:


(in millions)		Sell
Currency	Purchase	USD	EUR
USD	1.7		1.2
Yen	6,123.6	31.0	15.0
SGD	62.8	21.1	23.5

In November and December 2019, in conjunction with the repayment of the outstanding long-term borrowings under our Credit Facility denominated in Euro and Japanese Yen, we de-designated these borrowings as hedges of our net investments in certain European subsidiaries and Daikyo. The amounts recorded as cumulative translation adjustments within accumulated other comprehensive loss related to these borrowings (prior to de-designation) will remain in accumulated other comprehensive loss indefinitely, unless certain future events occur, such as the disposition of the operations for which the net investment hedges relate.

In December 2019, we entered into a five-year floating-to-floating forward-starting cross-currency swap (the “cross-currency swap”) for $90 million, which we designated as a hedge of our net investment in Daikyo. The notional amount of the cross-currency swap is ¥9.1 billion ($83.2 million) as of December 31, 2022. Under the cross-currency swap, we receive floating interest rate payments based on USD compounded SOFR plus a margin, in return for paying floating interest rate payments based on Japanese Yen ("Yen") Tokyo Overnight Average Rate ("TONAR") plus a margin. In addition, we receive periodic fixed payments of USD in return for paying fixed principal payments of Yen.

Commodity Price Risk

Many of our proprietary products are made from synthetic elastomers, which are derived from the petroleum refining process. We purchase the majority of our elastomers via long-term supply contracts, some of which contain clauses that provide for surcharges related to fluctuations in crude oil prices. The following economic hedges did not qualify for hedge accounting treatment since they did not meet the highly effective requirement at inception.

From November 2017 through December 2022, we purchased several series of call options for a total of 867,500 barrels of crude oil to mitigate our exposure to such oil-based surcharges and protect operating cash flows with regards to a portion of our forecasted elastomer purchases.

As of December 31, 2022, we had outstanding contracts to purchase 258,597 barrels of crude oil from December 2022 to September 2024, at a weighted-average strike price of $108.28 per barrel.

Effects of Derivative Instruments on Financial Position and Results of Operations

Please refer to Note 12, Fair Value Measurements, for the balance sheet location and fair values of our derivative instruments as of December 31, 2022 and 2021.

The following table summarizes the effects of derivative instruments designated as fair value hedges in our consolidated statements of income for the years ended December 31:


	Amount of Gain (Loss) Recognized in Income						Location on Statement of Income
($ in millions)	2022		2021		2020
Fair Value Hedges:
Hedged item (intercompany loan)	$	(28.3)	$	(22.1)	$	28.5	Other expense (income)
Derivative designated as hedging instrument	28.3		22.1		(28.5)		Other expense (income)
Amount excluded from effectiveness testing	5.2		3.0		6.1		Other expense (income)
Total	$	5.2	$	3.0	$	6.1

We recognize in earnings the initial value of forward point components on a straight-line basis over the life of the fair value hedge. The amounts recognized in earnings, pre-tax, for forward point components for the years ended December 31, 2022, 2021 and 2020 were $4.0 million, $2.6 million and $6.3 million, respectively. We expect to recognize $3.2 million in earnings, pre-tax, for forward point components in 2023.

The following tables summarize the effects of derivative instruments designated as fair value, cash flow, and net investment hedges on OCI and earnings, net of tax, for the years ended December 31:


	Amount of Gain (Loss) Recognized in OCI
($ in millions)	2022		2021		2020
Fair Value Hedges:
Foreign currency hedge contracts	$	1.3	$	0.6	$	4.0
Total	$	1.3	$	0.6	$	4.0
Cash Flow Hedges:
Foreign currency hedge contracts (hedges of net sales)	$	0.3	$	(0.2)	$	(0.6)
Foreign currency hedge contracts (hedges of cost of goods and services sold)	(1.1)		(1.8)		(0.6)
Forward treasury locks	—		—		—
Total	$	(0.8)	$	(2.0)	$	(1.2)
Net Investment Hedges:
Cross-currency swap	$	9.1	$	7.7	$	(3.2)
Total	$	9.1	$	7.7	$	(3.2)


	Amount of (Gain) Loss Reclassified from Accumulated OCI into Income						Location of (Gain) Loss Reclassified from Accumulated OCI into Income
($ in millions)	2022		2021		2020
Fair Value Hedges:
Foreign currency hedge contracts	$	(1.6)	$	(0.8)	$	(4.3)	Other expense (income)
Total	$	(1.6)	$	(0.8)	$	(4.3)
Cash Flow Hedges:
Foreign currency hedge contracts	$	(1.2)	$	0.9	$	0.2	Net sales
Foreign currency hedge contracts	3.5		1.7		(0.1)		Cost of goods and services sold
Forward treasury locks	0.2		0.3		0.3		Interest expense
Total	$	2.5	$	2.9	$	0.4
Net Investment Hedges:
Cross-currency swap	—		—		—		Other expense (income)
Total	$	—	$	—	$	—

Refer to the above table which summarizes the effects of derivative instruments designated as fair value hedges within the other expense (income) line in our consolidated statements of income for the years ended December 31. The following table summarizes the effects of derivative instruments designated as cash flow and net investment hedges by line item in our consolidated statements of income for the years ended December 31:


($ in millions)	2022		2021		2020
Net sales	$	(1.2)	$	0.9	$	0.2
Cost of goods and services sold	3.5		1.7		(0.1)
Interest expense	0.2		0.3		0.3

The following table summarizes the effects of derivative instruments not designated as hedges in our consolidated statements of income for the years ended December 31:


	Amount of Gain (Loss) Recognized in Income						Location on Statement of Income
($ in millions)	2022		2021		2020
Commodity call options	$	1.5	$	1.7	$	(0.2)	Other expense (income)
Total	$	1.5	$	1.7	$	(0.2)

During 2022 and 2021, there was no material ineffectiveness related to our hedges.

Fair Value Measurements

12 Months Ended

Dec. 31, 2022

Fair Value Disclosures [Abstract]

Fair Value Measurements

Fair value is defined as the price that would be received to sell an asset or paid to transfer a liability (an exit price) in the principal or most advantageous market for the asset or liability in an orderly transaction between market participants on the measurement date. The following fair value hierarchy classifies the inputs to valuation techniques used to measure fair value into one of three levels:

•Level 1: Unadjusted quoted prices in active markets for identical assets or liabilities.

•Level 2: Inputs other than quoted prices that are observable for the asset or liability, either directly or indirectly. These include quoted prices for similar assets or liabilities in active markets and quoted prices for identical or similar assets or liabilities in markets that are not active.

•Level 3: Unobservable inputs that reflect the reporting entity’s own assumptions.

The following tables present the assets and liabilities recorded at fair value on a recurring basis:


	Balance at		Basis of Fair Value Measurements
($ in millions)	December 31, 2022		Level 1		Level 2		Level 3
Assets:

Deferred compensation assets	$	12.5	$	12.5	$	—	$	—
Foreign currency contracts	4.5		—		4.5		—
Cross-currency swap	13.9		—		13.9		—
Commodity call options	1.2		—		1.2		—
	$	32.1	$	12.5	$	19.6	$	—
Liabilities:
Contingent consideration	$	4.7	$	—	$	—	$	4.7
Deferred compensation liabilities	12.7		12.7		—		—

Foreign currency contracts	1.4		—		1.4		—
	$	18.8	$	12.7	$	1.4	$	4.7


	Balance at		Basis of Fair Value Measurements
($ in millions)	December 31, 2021		Level 1		Level 2		Level 3
Assets:

Deferred compensation assets	$	15.5	$	15.5	$	—	$	—
Foreign currency contracts	14.8		—		14.8		—
Cross-currency swap	4.4		—		4.4		—
Commodity call options	1.7		—		1.7		—
	$	36.4	$	15.5	$	20.9	$	—
Liabilities:
Contingent consideration	$	3.7	$	—	$	—	$	3.7
Deferred compensation liabilities	16.1		16.1		—		—

Foreign currency contracts	3.4		—		3.4		—
	$	23.2	$	16.1	$	3.4	$	3.7

Deferred compensation assets are included within other noncurrent assets and are valued using a market approach based on quoted market prices in an active market. The fair value of our foreign currency contracts, included within other current and other noncurrent assets, as well as other current and other long-term liabilities, is valued using an income approach based on quoted forward foreign exchange rates and spot rates at the reporting date. The fair value of our commodity call options, included within other current and other noncurrent assets, is valued using a market approach. The fair value of the contingent consideration liability, within current and long-term liabilities, related to the SmartDose® technology platform (the “SmartDose® contingent consideration”) was initially determined using a probability-weighted income approach, and is revalued at each reporting date or more frequently if circumstances dictate. The fair value of deferred compensation liabilities is based on quoted prices of the underlying employees’ investment selections and is included within other long-term liabilities. The fair value of the cross-currency swap, included within other long-term assets, is valued using a market approach. Please refer to Note 11, Derivative Financial Instruments, for further discussion of our derivatives.

Other Financial Instruments

We believe that the carrying amounts of our cash and cash equivalents and accounts receivable approximate their fair values due to their near-term maturities.

The estimated fair value of long-term debt is based on quoted market prices for debt issuances with similar terms and maturities, and is classified as Level 2 within the fair value hierarchy. At December 31, 2022, the estimated fair value of long-term debt was $201.8 million compared to a carrying amount of $206.7 million. At December 31, 2021, the estimated fair value of long-term debt was $217.9 million and the carrying amount was $208.8 million.

- Definition

The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information.

+ References + Details

Accumulated Other Comprehensive Loss

12 Months Ended

Dec. 31, 2022

Equity [Abstract]

Accumulated Other Comprehensive Loss

The following table presents the changes in the components of accumulated other comprehensive loss, net of tax:


($ in millions)	Derivatives		Equity affiliate investment AOCI		Defined benefit pension and other postretirement plans		Foreign currency translation		Total
Balance, December 31, 2019	$	(0.8)	$	0.4	$	(40.3)	$	(108.9)	$	(149.6)
Other comprehensive income (loss) before reclassifications	2.8		0.2		(2.5)		40.1		40.6
Amounts reclassified out	(3.9)		—		2.3		—		(1.6)
Other comprehensive income (loss), net of tax	(1.1)		0.2		(0.2)		40.1		39.0
Balance, December 31, 2020	(1.9)		0.6		(40.5)		(68.8)		(110.6)
Other comprehensive (loss) income before reclassifications	(1.4)		0.9		7.4		(59.3)		(52.4)
Amounts reclassified out	2.1		—		1.3		—		3.4
Other comprehensive (loss) income, net of tax	0.7		0.9		8.7		(59.3)		(49.0)
Balance, December 31, 2021	(1.2)		1.5		(31.8)		(128.1)		(159.6)
Other comprehensive (loss) income before reclassifications	0.5		0.1		(9.3)		(47.3)		(56.0)
Amounts reclassified out	0.9		—		31.7		—		32.6
Other comprehensive (loss) income, net of tax	1.4		0.1		22.4		(47.3)		(23.4)
Balance, December 31, 2022	$	0.2	$	1.6	$	(9.4)	$	(175.4)	$	(183.0)

A summary of the reclassifications out of accumulated other comprehensive loss is presented in the following table ($ in millions):


Detail of components	2022		2021		2020		Location on Statement of Income
Gains (losses) on derivatives:
Foreign currency contracts	$	1.4	$	(1.1)	$	(0.2)	Net sales
Foreign currency contracts	(4.1)		(2.4)		0.1		Cost of goods and services sold
Foreign currency contracts	2.4		1.2		5.9		Other expense (income)
Forward treasury locks	(0.3)		(0.4)		(0.4)		Interest expense
Total before tax	(0.6)		(2.7)		5.4
Tax (expense) benefit	(0.3)		0.6		(1.5)
Net of tax	$	(0.9)	$	(2.1)	$	3.9
Amortization of defined benefit pension and other postretirement plans:

Prior service credit	$	—	$	0.3	$	0.6	(a)
Actuarial gains (losses)	0.6		(0.2)		(0.1)		(a)
Settlements	(52.2)		(1.8)		(3.7)		(a)
Other	(0.4)		—		—		(a)
Total before tax	(52.0)		(1.7)		(3.2)
Tax benefit	20.3		0.4		0.9
Net of tax	$	(31.7)	$	(1.3)	$	(2.3)
Total reclassifications for the period, net of tax	$	(32.6)	$	(3.4)	$	1.6

(a) These components are included in the computation of net periodic benefit cost. Please refer to Note 15, Benefit Plans, for additional details.

Stock-Based Compensation

12 Months Ended

Dec. 31, 2022

Share-Based Payment Arrangement [Abstract]

Stock-Based Compensation

The West Pharmaceutical Services, Inc. 2016 Omnibus Incentive Compensation Plan (the “2016 Plan”) provides for the granting of stock options, stock appreciation rights, restricted stock awards and performance awards to employees and non-employee directors. A committee of the Board of Directors determines the terms and conditions of awards to be granted. Vesting requirements vary by award. At December 31, 2022, there were 1,681,526 shares remaining in the 2016 Plan for future grants.

Stock options and stock appreciation rights reduce the number of shares available by one share for each award granted. All other awards under the 2016 Plan will reduce the total number of shares available for grant by an amount equal to 2.5 times the number of shares awarded. If awards made under previous plans would entitle a plan participant to an amount of West stock in excess of the target amount, the additional shares (up to a maximum threshold amount) will be distributed under the 2016 Plan.

The following table summarizes our stock-based compensation expense recorded within selling, general and administrative expenses for the years ended December 31:


($ in millions)	2022		2021		2020
Stock option and appreciation rights	$	5.6	$	12.5	$	10.2
Performance share units, stock-settled	15.6		17.6		16.6
Performance share units, cash-settled	(0.1)		1.0		0.4
Performance share units, dividend equivalents	0.1		0.2		0.6
Employee stock purchase plan	1.3		1.4		1.1
Deferred compensation plans and restricted share awards	1.2		4.8		5.1
Total stock-based compensation expense	$	23.7	$	37.5	$	34.0

The Company estimates expected forfeitures. The amount of unrecognized compensation expense for all non-vested awards as of December 31, 2022 was $28.9 million, which is expected to be recognized over a weighted average period of 1.6 years.

Stock Options

Stock options granted to employees vest in equal increments. All awards expire 10 years from the date of grant. Upon the exercise of stock options, shares are issued in exchange for the exercise price of the options.

The following table summarizes changes in outstanding options:


(in millions, except per share data)			2022
Options outstanding, January 1			2.0
Granted			0.1
Exercised			(0.2)
Forfeited			0.0
Options outstanding, December 31			1.9
Options vested and expected to vest, December 31			1.9
Options vested and exercisable, December 31			1.5


Weighted Average Exercise Price	2022
Options outstanding, January 1	$	101.73
Granted	364.47
Exercised	83.77
Forfeited	224.26
Options outstanding, December 31	$	118.72
Options vested and expected to vest, December 31	$	116.88
Options vested and exercisable, December 31	$	84.11

As of December 31, 2022, the weighted average remaining contractual life of options outstanding and of options exercisable was 4.8 years and 4.0 years, respectively.

As of December 31, 2022, the aggregate intrinsic value of total options outstanding was $241.4 million, of which $225.6 million represented vested options.

The fair value of the options was estimated on the date of grant using a Black-Scholes option valuation model that used the following weighted average assumptions in 2022, 2021 and 2020: a risk-free interest rate of 1.8%, 0.8%, and 1.3%, respectively; stock volatility of 25.1%, 23.9%, and 22.4%, respectively; and dividend yields of 0.2%, 0.3%, and 0.4%, respectively. Stock volatility is estimated based on historical data and the impact from expected future trends. Expected lives, which are based on prior experience, averaged 5.6 years for 2022 and 2021 and 5.7 years for 2020. The weighted average grant date fair value of options granted in 2022, 2021 and 2020 was $96.43, $64.51 and $40.28, respectively. Stock option expense is recognized over the vesting period, net of forfeitures.

For the years ended December 31, 2022, 2021 and 2020, the intrinsic value of options exercised was $60.1 million, $147.3 million and $88.8 million, respectively. The grant date fair value of options vested during those same periods was $8.8 million, $8.3 million and $8.4 million, respectively.

Stock Appreciation Rights

Stock appreciation rights (“SARs”) granted to eligible international employees vest in equal annual increments over 4 years of continuous service. All awards expire 10 years from the date of grant. The fair value of each cash-settled SAR is adjusted at the end of each reporting period, with the resulting change reflected in expense. As of December 31, 2022, SARs outstanding were 20,402, all of which were cash-settled. Upon exercise of a cash-settled SAR, the employee receives cash for the difference between the grant date price and the fair market value of the Company’s stock on the date of exercise. As a result of the cash settlement feature, cash-settled SARs are recorded within other long-term liabilities. Upon exercise of a stock-settled SAR, shares are issued in exchange for the exercise price of the stock-settled SAR. As a result of the stock settlement feature, stock-settled SARs are recorded within equity.

The following table summarizes changes in outstanding SARs:


			2022
SARs outstanding, January 1			21,054
Granted			520
Exercised			(1,169)
Forfeited			(3)
SARs outstanding, December 31			20,402
SARs vested and expected to vest, December 31			20,402
SARs vested and exercisable, December 31			17,450



Weighted Average Exercise Price	2022
SARs outstanding, January 1	$	88.18
Granted	369.13
Exercised	54.64
Forfeited	21.22
SARs outstanding, December 31	$	97.28
SARs vested and expected to vest, December 31	$	97.28
SARs vested and exercisable, December 31	$	74.86

Performance Awards

In addition to stock options and SAR awards, we grant performance share unit (“PSU”) awards to eligible employees. These awards are earned based on the Company’s performance against pre-established targets, including annual growth rate of revenue and return on invested capital, over a specified performance period. Depending on the achievement of the targets, recipients of stock-settled PSU awards are entitled to receive a certain number of shares of common stock, whereas recipients of cash-settled PSU awards are entitled to receive a payment in cash per unit based on the fair market value of a share of our common stock at the end of the performance period.

The following table summarizes changes in our outstanding stock-settled PSU awards:


	2022
Non-vested stock-settled PSU awards, January 1	164,474
Granted at target level	32,109
Adjustments above/(below) target	68,426
Vested and converted	(144,490)
Forfeited	(7,966)
Non-vested stock-settled PSU awards, December 31	112,553

Weighted Average Fair Value	2022
Non-vested stock-settled PSU awards, January 1	$	179.88
Granted at target level	362.40
Adjustments above/(below) target	106.57
Vested and converted	369.13
Forfeited	240.19
Non-vested stock-settled PSU awards, December 31	$	278.38

Shares earned under PSU awards may vary from 0% to 200% of an employee’s targeted award. The fair value of stock-settled PSU awards is based on the market price of our stock at the grant date and is recognized as expense over the performance period, adjusted for estimated target outcomes and net of forfeitures. The weighted average grant date fair value of stock-settled PSU awards granted during the years 2022, 2021 and 2020 was $362.40, $333.58 and $177.31, respectively. Including forfeiture and target achievement expectations, we expect that the stock-settled PSU awards will convert to 94,480 shares to be issued over an average remaining term of one year.

The fair value of cash-settled PSU awards is also based on the market price of our stock at the grant date. These awards are revalued at the end of each quarter based on changes in our stock price. As a result of the cash settlement feature, cash-settled PSU awards are recorded within other long-term liabilities.

The following table summarizes changes in our outstanding cash-settled PSU awards:


			2022
Non-vested cash-settled PSU awards, January 1			1,318
Granted at target level			136
Adjustments above/(below) target			507
Vested and converted			(1,071)
Forfeited			—
Non-vested cash-settled PSU awards, December 31			890


Weighted Average Fair Value	2022
Non-vested cash-settled PSU awards, January 1	$	169.53
Granted at target level	369.13
Adjustments above/(below) target	104.44
Vested and converted	369.13
Forfeited	—
Non-vested cash-settled PSU awards, December 31	$	242.29

Employee Stock Purchase Plan

We also offer an Employee Stock Purchase Plan (“ESPP”), which provides for the sale of our common stock to eligible employees at 85% of the current market price on the last trading day of each quarterly offering period. Payroll deductions are limited to 25% of the employee’s base salary, not to exceed $25,000 in any one calendar year. In addition, employees may not buy more than 2,000 shares during any offering period (8,000 shares per year). Purchases under the ESPP were 27,894 shares, 27,016 shares and 36,494 shares for the years 2022, 2021 and 2020, respectively. At December 31, 2022, there were approximately 3,738,000 shares available for issuance under the ESPP.

Deferred Compensation Plans and Restricted Share Awards

Our deferred compensation plans include a Non-Qualified Deferred Compensation Plan for Non-Employee Directors, under which non-employee directors may defer all or part of their annual cash retainers. The deferred fees may be credited to a stock-equivalent account. Amounts credited to this account are converted into deferred stock units based on the fair market value of one share of our common stock on the last day of the quarter. For deferred stock units ultimately paid in cash, a liability is calculated at an amount determined by multiplying the number of units by the fair market value of our common stock at the end of each reporting period. In addition, deferred stock awards are granted on the date of our annual meeting, and are distributed in shares of common stock. In 2022, we granted 4,827 deferred stock awards, with a weighted grant date fair value of $300.78. In 2021, we granted 6,034 deferred stock awards, with a grant date fair value of $338.38. Similarly, a non-qualified deferred compensation plan for eligible employees provides for the conversion of compensation into deferred stock units.

As of December 31, 2022, the two deferred compensation plans held a total of 383,792 deferred stock units, including 9,366 units to be paid in cash.

In addition, during 2022, we granted 9,648 restricted share awards at a weighted grant-date fair value of $310.52 per share to employees under the 2016 Plan. During 2021, we granted 6,002 restricted share awards at a weighted grant-date fair value of $312.41 per share to employees under the 2016 Plan. During 2020, we granted 8,721 restricted share awards at a weighted grant-date fair value of $200.35 per share to employees under the 2016 Plan. The fair value of these awards is based on the market price of our stock at the grant date and is recognized as expense over the vesting period.

Benefit Plans

12 Months Ended

Dec. 31, 2022

Retirement Benefits [Abstract]

Benefit Plans

Certain of our U.S. and international subsidiaries sponsor defined benefit pension plans. In addition, we provide minimal death benefits for certain U.S. retirees and pay a portion of healthcare costs for retired U.S. salaried employees and their dependents. Benefits for participants are coordinated with Medicare when possible. We also sponsor a defined contribution plan for certain salaried and hourly U.S. employees. Our 401(k) plan contributions were $22.8 million for 2022, $19.5 million for 2021 and $16.8 million for 2020.

Pension and Other Retirement Benefits

The components of net periodic benefit cost and other amounts recognized in OCI were as follows:


	Pension benefits						Other retirement benefits
($ in millions)	2022		2021		2020		2022		2021		2020
Net periodic benefit cost:
Service cost	$	1.5	$	1.6	$	1.5	$	—	$	—	$	—
Interest cost	4.2		6.2		7.1		0.2		0.2		0.2
Expected return on plan assets	(6.1)		(11.9)		(11.7)		—		—		—
Amortization of prior service credit	—		0.1		0.1		—		(0.4)		(0.7)

Amortization of actuarial loss (gain)	1.3		1.8		2.0		(1.9)		(1.6)		(1.9)
Settlement loss	52.2		1.8		3.7		—		—		—
Other	1.0		—		—		0.4		—		—
Net periodic benefit cost	$	54.1	$	(0.4)	$	2.7	$	(1.3)	$	(1.8)	$	(2.4)
Other changes in plan assets and benefit obligations recognized in OCI, pre-tax:
Net loss (gain) arising during period	$	16.0	$	(6.3)	$	1.8	$	(2.0)	$	(0.9)	$	(0.4)
Prior service credit arising during period	—		(2.0)		—		—		—		—
Amortization of prior service credit	—		(0.1)		(0.1)		—		0.4		0.7

Amortization of actuarial (loss) gain	(1.3)		(1.8)		(2.0)		1.9		1.6		1.9
Settlement loss	(52.2)		(1.8)		(3.7)		—		—		—
Foreign currency translation	(2.3)		(0.9)		1.8		—		—		—
Other	—		—		—		(0.4)		—		—
Total recognized in OCI	$	(39.8)	$	(12.9)	$	(2.2)	$	(0.5)	$	1.1	$	2.2
Total recognized in net periodic benefit cost and OCI	$	14.3	$	(13.3)	$	0.5	$	(1.8)	$	(0.7)	$	(0.2)

Net periodic benefit cost by geographic location is as follows:


	Pension benefits						Other retirement benefits
($ in millions)	2022		2021		2020		2022		2021		2020
U.S. plans	$	51.7	$	(2.3)	$	1.2	$	(1.3)	$	(1.8)	$	(2.4)
International plans	2.4		1.9		1.5		—		—		—
Net periodic benefit cost	$	54.1	$	(0.4)	$	2.7	$	(1.3)	$	(1.8)	$	(2.4)

The service cost component included within net periodic benefit cost is considered employee compensation and is therefore presented within the selling, general, and administrative and costs of goods and services sold financial statement line items of our consolidated statements of income. The remaining components of net periodic benefit cost are reported separately and are therefore presented within the other nonoperating expense (income) financial statement line item of our consolidated statements of income.

During 2021, the Company approved the termination of our U.S. qualified defined benefit pension plan (the "U.S. pension plan"). During 2021, a Notice of Intent to Terminate was sent to all interested parties and in 2022 a favorable determination letter was received from the Internal Revenue Service. During 2022, lump sum payments were offered to all current employees and former employees with vested benefits under the U.S. pension plan. A cash contribution of $7.1 million was made by the Company to ensure the U.S. pension plan was fully funded in preparation for the group annuity contract purchase which was executed in August of 2022 to settle the outstanding benefit obligations, as well as to cover any ancillary benefits and expenses remaining. During 2022, we recorded a $52.2 million pension settlement charge within other nonoperating expense (income), which primarily related to the full settlement and relief of the historical balance sheet position, inclusive of accumulated other comprehensive income, of the U.S. pension plan. During 2021 and 2020, we recorded a $1.8 million and $3.7 million, respectively, pension settlement charge within other nonoperating expense (income), as we determined that normal-course lump-sum payments for the U.S. pension plan exceeded the threshold for settlement accounting under U.S. GAAP for the year.

During 2022, we contributed $7.1 million to our U.S. pension plan. During 2021, we did not contribute to our U.S. pension plan.

The following table presents the changes in the benefit obligation and the fair value of plan assets, as well as the funded status of the plans:


	Pension benefits				Other retirement benefits
($ in millions)	2022		2021		2022		2021
Change in benefit obligation:
Benefit obligation, January 1	$	(269.8)	$	(298.9)	$	(5.6)	$	(6.1)
Service cost	(1.5)		(1.6)		—		—
Interest cost	(4.2)		(6.2)		(0.2)		(0.2)
Participants’ contributions	(0.4)		(0.6)		(0.4)		(0.5)
Actuarial gain (loss)	33.0		12.1		2.0		0.9
Amendments/transfers in	—		2.0		—		—
Benefits paid	6.9		7.1		0.3		0.3

Settlement loss	174.4		13.1		—		—
Foreign currency translation	6.1		3.2		—		—
Benefit obligation, December 31	$	(55.5)	$	(269.8)	$	(3.9)	$	(5.6)

Change in plan assets:
Fair value of assets, January 1	$	249.2	$	258.1	$	—	$	—
Actual return on plan assets	(42.4)		6.1		—		—
Employer contribution	8.4		3.6		(0.1)		(0.2)
Participants’ contributions	0.4		0.6		0.4		0.5
Benefits paid	(7.2)		(5.2)		(0.3)		(0.3)

Settlement loss	(174.4)		(13.1)		—		—
Foreign currency translation	(4.6)		(0.9)		—		—
Fair value of assets, December 31	$	29.4	$	249.2	$	—	$	—

Funded status at end of year	$	(26.1)	$	(20.6)	$	(3.9)	$	(5.6)

International pension plan assets, at fair value, included in the preceding table were $29.4 million and $49.3 million at December 31, 2022 and 2021, respectively.

Amounts recognized in the balance sheet were as follows:


	Pension benefits				Other retirement benefits
($ in millions)	2022		2021		2022		2021
Noncurrent assets	$	0.3	$	16.7	$	—	$	—
Current liabilities	(1.5)		(1.7)		(0.6)		(0.7)
Noncurrent liabilities	(24.9)		(35.6)		(3.3)		(4.9)
	$	(26.1)	$	(20.6)	$	(3.9)	$	(5.6)

The amounts in accumulated other comprehensive loss, pre-tax, consisted of:


	Pension benefits				Other retirement benefits
($ in millions)	2022		2021		2022		2021
Net actuarial loss (gain)	$	16.7	$	56.5	$	(5.2)	$	(4.7)

Prior service cost (credit)	(1.1)		(1.3)		—		—
Total	$	15.6	$	55.2	$	(5.2)	$	(4.7)

The accumulated benefit obligation for all defined benefit pension plans was $52.4 million and $265.2 million at December 31, 2022 and 2021, respectively, including $46.0 million and $73.0 million, respectively, for international pension plans.

As of December 31, 2022, our United Kingdom qualified defined benefit pension plan had plan assets in excess of its obligations. As of December 31, 2021, our U.S. and United Kingdom qualified defined benefit pension plan had assets in excess of its obligations. As of December 31, 2022 and December 31, 2021, our other defined benefit pension plans had projected benefit obligations and accumulated benefit obligations in excess of plan assets.

Benefit payments expected to be paid under our defined benefit pension and other retirement benefit plans in the next ten years are as follows. The expected benefit payments listed correspond to regular ongoing benefit payments expected to be made by the plan during future years.


($ in millions)	Domestic		International		Total
2023	$	1.5	$	2.2	$	3.7
2024	1.4		2.5		3.9
2025	1.3		2.8		4.1
2026	1.2		3.3		4.5
2027	1.0		3.7		4.7
2028 to 2032	4.2		17.8		22.0
	$	10.6	$	32.3	$	42.9

In 2023, we expect to contribute $0.6 million to pension plans, all of which is in the U.S. In addition, we expect to contribute $0.6 million for other retirement benefits in 2023. We periodically consider additional, voluntary contributions depending on the investment returns generated by pension plan assets, changes in benefit obligation projections and other factors.

Weighted average assumptions used to determine net periodic benefit cost were as follows:


	Pension benefits						Other retirement benefits
	2022		2021		2020		2022		2021		2020
Discount rate	2.48	%	2.29	%	2.61	%	2.75	%	2.30	%	3.20	%
Rate of compensation increase	2.79	%	2.41	%	2.33	%	—		—		—
Expected long-term rate of return on assets	4.14	%	4.93	%	5.10	%	—		—		—

Weighted average assumptions used to determine the benefit obligations were as follows:


	Pension benefits				Other retirement benefits
	2022		2021		2022		2021
Discount rate	4.35	%	2.48	%	5.55	%	2.75	%
Rate of compensation increase	3.09	%	2.79	%	—		—

The discount rate used to determine the benefit obligations for U.S. pension plans was 5.55% and 2.95% as of December 31, 2022 and 2021, respectively. The weighted average discount rate used to determine the benefit obligations for all international plans was 4.20% and 1.32% as of December 31, 2022 and 2021, respectively. The weighted average rate of compensation increase for all international plans was 3.09% for 2022 and 2.79% for 2021, while there was no rate increase for the U.S. plans since they are frozen. Other retirement benefits were only available to U.S. employees. The expected long-term rate of return for U.S. plans was 3.70% for 2022, 5.10% for 2021 and 5.10% for 2020.

The assumed healthcare cost trend rate used to determine benefit obligations was 6.75% for all participants in 2022, decreasing to 5.0% by 2030. The assumed healthcare cost trend rate used to determine net periodic benefit cost was 6.25% for all participants in 2022, decreasing to 5.0% by 2027.

The defined pension plan benefit obligation decreased for the year ended December 31, 2022 primarily due to settlement losses recognized during the year, as well as an increase in the discount rate used to calculate the obligation. The net actuarial losses will be impacted in future periods by actual asset returns, discount rate changes, currency exchange rate fluctuations, actual demographic experience, and certain other factors. The other retirement plan benefit obligation decreased due an increase in the discount rate used to calculate the obligation.

The Company has cash balance plans and other plans with promised interest crediting rates. For these plans, the interest crediting rates are set in line with plan rules or country legislation and do not change with market conditions.

The weighted average interest crediting rating used to determine net periodic benefit cost by geographic location for our pension plans, at December 31, were as follows:


	2022		2021		2020
U.S. plans	3.31	%	3.31	%	3.30	%
International plans	1.75	%	0.67	%	0.52	%

The weighted average asset allocations by asset category for our pension plans, at December 31, were as follows:


	2022		2021
Equity securities	28	%	12	%
Debt securities	68	%	86	%
Other	4	%	2	%
	100	%	100	%

Diversification across and within asset classes is the primary means by which we mitigate risk. We maintain guidelines for all asset and sub-asset categories in order to avoid excessive investment concentrations. Fund assets are monitored on a regular basis. If at any time the fund asset allocation is not within the acceptable allocation range, funds will be reallocated. We also review the fund on a regular basis to ensure that the investment returns received are consistent with the short-term and long-term goals of the fund and with comparable market returns. We are prohibited from pledging fund securities and from investing pension fund assets in our own stock, securities on margin or derivative securities.

The following are the target asset allocations and acceptable allocation ranges across:


	Target allocation	Allocation range
Equity securities	27%	25% - 30%
Debt securities	68%	63% - 68%
Other	5%	2% - 7%

The following tables present the fair value of our pension plan assets, utilizing the fair value hierarchy discussed in Note 12, Fair Value Measurements. In accordance with U.S. GAAP, certain pension plan assets measured at net asset value (“NAV”) have not been classified in the fair value hierarchy.


	Balance at
	December 31,		Basis of Fair Value Measurements
($ in millions)	2022		Level 1		Level 2		Level 3
Cash	$	0.7	$	0.7	$	—	$	—
Equity securities:

International mutual funds	8.2		—		8.2		—
Fixed income securities:
Mutual funds	20.4		—		20.4		—


Other mutual funds	0.1		—		0.1		—
Pension plan assets in the fair value hierarchy	$	29.4	$	0.7	$	28.7	$	—
Pension plan assets measured at NAV	—
Pension plan assets at fair value	$	29.4


	Balance at
	December 31,		Basis of Fair Value Measurements
($ in millions)	2021		Level 1		Level 2		Level 3
Cash	$	1.6	$	1.6	$	—	$	—
Equity securities:

International mutual funds	21.2		—		21.2		—
Fixed income securities:
Mutual funds	22.1		—		22.1		—

Other mutual funds	4.6		—		4.6		—

Pension plan assets in the fair value hierarchy	$	49.5	$	1.6	$	47.9	$	—
Pension plan assets measured at NAV	199.7
Pension plan assets at fair value	$	249.2

- Definition

The entire disclosure for retirement benefits.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 55
-Paragraph 17
-URI https://asc.fasb.org/extlink&oid=123450688&loc=d3e4179-114921

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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Reference 5: http://www.xbrl.org/2003/role/disclosureRef
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+ Details

Other Expense (Income)

12 Months Ended

Dec. 31, 2022

Other Income and Expenses [Abstract]

Other Expense (Income)

Other expense (income) consisted of:


($ in millions)	2022		2021		2020
Restructuring and related charges:
Severance and post-employment benefits	$	8.7	$	0.6	$	4.6
Asset-related charges	15.3		—		—
Other charges	(0.2)		1.6		—
Total restructuring and related charges	$	23.8	$	2.2	$	4.6
Fixed asset impairments and sale of equipment, net	2.7		1.3		7.7

(Gain) loss on oil hedges	(1.5)		(1.7)		0.2

Contingent consideration	3.0		1.5		1.2
Foreign exchange transaction gains	(4.1)		(1.4)		(1.5)
Cost investment activity	3.5		4.3		2.5
Other items	(0.6)		1.7		(2.7)
Total other expense (income)	$	26.8	$	7.9	$	12.0

Restructuring and Related Charges

In December 2022, the Company approved a restructuring plan to adjust our operating cost base to better respond to the macroeconomic factors influencing our business. These changes are expected to be implemented over a period of up to twelve months from the date of the approval. The plan is expected to require restructuring and related charges of approximately $25 million to $27 million, with annualized savings in the range of $22 million to $24 million. Included within the expected restructuring charges is an impairment charge of $15.3 million representing the net book value of long-lived fixed assets held in our production facilities that were determined to have no future use to the Company.

The following table presents activity related to our restructuring obligations related to our 2022 restructuring plan:


($ in millions)	Severance and benefits		Asset-related charges		Total
Balance, December 31, 2021	$	—	$	—	$	—
Charges	10.1		15.3		25.4
Cash payments	—		—		—
Balance, December 31, 2022	$	10.1	$	15.3	$	25.4

In July 2020, our Board of Directors approved a restructuring plan designed to optimize certain organizational structures within the Company to better support our continued growth and business priorities. These changes were implemented over a period of approximately twenty-four months from the date of the approval. The plan is expected to have annualized savings in the range of $0.9 million to $1.6 million. Since its approval, we recorded a net pre-tax amount equal to $5.2 million in restructuring and related charges associated with this plan.

The following table presents activity related to our restructuring obligations related to our 2020 restructuring plan:


($ in millions)	Severance and benefits		Other charges		Total
Balance, December 31, 2021	$	2.8	$	0.5	$	3.3
Charges	(1.4)		(0.2)		(1.6)
Cash payments	(0.7)		(0.3)		(1.0)
Balance, December 31, 2022	$	0.7	$	—	$	0.7

Contingent Consideration

Contingent consideration represents changes in the fair value of the SmartDose® contingent consideration. Please refer to Note 12, Fair Value Measurements, for additional details.

Oil Hedges

During 2022, 2021 and 2020, we recorded a gain of $1.5 million, a gain of $1.7 million, and a loss of $0.2 million, respectively, related to oil hedges. Please refer to Note 11, Derivative Financial Instruments, for further discussion of our hedging activity.

Cost Investment

During 2022, specific to our cost method investments, we recorded a total impairment charge of $3.5 million. During 2021, specific to our cost method investments, we recorded a total impairment charge of $4.6 million which was offset by a net gain of $0.3 million on the sale of a cost investment. During 2020, specific to our cost method investments, we recorded a total impairment charge of $2.5 million.

Income Taxes

12 Months Ended

Dec. 31, 2022

Income Tax Disclosure [Abstract]

Income Taxes

As a global organization, we and our subsidiaries file income tax returns in the U.S. federal jurisdiction and various state and foreign jurisdictions. As of December 31, 2022, the statute of limitations for the U.S. federal tax years 2017 through 2022 remain open to examination. For U.S. state and local jurisdictions, tax years 2013 through 2022 are open to examination. We are also subject to examination in various foreign jurisdictions for tax years 2015 through 2022.

A reconciliation of the beginning and ending amount of the liability for unrecognized tax benefits is as follows:


($ in millions)	2022		2021		2020
Balance at January 1	$	24.9	$	10.4	$	5.0
Increase due to current year position	11.4		16.3		4.9
Increase (decrease) due to prior year position	0.6		(1.0)		0.6
Reduction for expiration of statute of limitations/audits	(0.4)		(0.8)		(0.1)
Balance at December 31	$	36.5	$	24.9	$	10.4

In addition, we had balances in accrued liabilities for interest and penalties of $1.6 million and $0.5 million at December 31, 2022 and 2021, respectively. As of December 31, 2022, we had $36.5 million of total gross unrecognized tax benefits, which, if recognized, $36.5 million would favorably impact the effective income tax rate. It is reasonably possible that, due to the expiration of statutes and the closing of tax audits, the amount of gross unrecognized tax benefits may be reduced by approximately $1.7 million during the next twelve months, which would favorably impact our effective tax rate.

The components of income before income taxes and equity in net income of affiliated companies are:


($ in millions)	2022		2021		2020
U.S. operations	$	394.4	$	420.0	$	227.0
International operations	285.5		328.9		174.3
Total income before income taxes and equity in net income of affiliated companies	$	679.9	$	748.9	$	401.3

The related provision for income taxes consists of:


($ in millions)	2022		2021		2020
Current:
Federal	$	75.7	$	64.8	$	28.9
State	8.4		10.9		3.4
International	61.4		74.4		46.0
Current income tax provision	145.5		150.1		78.3
Deferred:
Federal and state	(20.3)		7.3		0.2
International	(10.5)		(50.2)		(6.0)
Deferred income tax provision	(30.8)		(42.9)		(5.8)
Income tax expense	$	114.7	$	107.2	$	72.5

Deferred income taxes result from temporary differences between the amount of assets and liabilities recognized for financial reporting and tax purposes.

The significant components of our deferred tax assets and liabilities at December 31 are:


($ in millions)	2022		2021
Deferred tax assets
Net operating loss carryforwards	$	10.3	$	14.0
Tax credit carryforwards	1.9		1.5

Pension and deferred compensation	31.4		31.6
Royalty acceleration	46.2		45.1
Other	25.5		12.2
Capitalized R&D expenses	8.1		—
Leases	20.6		—
Valuation allowance	(13.3)		(12.2)
Total deferred tax assets	130.7		92.2
Deferred tax liabilities:
Property, plant, and equipment	53.7		47.2
Tax on undistributed earnings of subsidiaries	1.5		1.8
Leases	19.7		—
Other	4.5		(0.4)
Total deferred tax liabilities	79.4		48.6
Net deferred tax asset (liability)	$	51.3	$	43.6

A reconciliation of the U.S. federal corporate tax rate to our effective consolidated tax rate on income before income taxes and equity in net income of affiliated companies is as follows:


	2022		2021		2020
U.S. federal corporate tax rate	21.0	%	21.0	%	21.0	%
Tax on international operations other than U.S. tax rate	(1.5)		1.9		1.2


Adjustments to reserves for unrecognized tax benefits	2.9		0.1		1.4
U.S. tax on international earnings, net of foreign tax credits	(0.3)		0.3		0.4
Foreign-Derived Intangible Income Deductions (FDII)	(2.1)		(1.5)		(1.1)
State income taxes, net of federal tax effect	1.0		(0.1)		1.2
U.S. research and development credits	(0.6)		(0.4)		(0.7)
Excess tax benefits on share-based payments	(2.4)		(4.2)		(5.2)
Royalty acceleration	—		(2.5)		—
Pension settlement	(1.2)		—		—

Tax on undistributed earnings of subsidiaries	—		(0.6)		0.1


Other	0.1		0.3		(0.2)
Effective tax rate	16.9	%	14.3	%	18.1	%

During 2022, we recorded tax expense of $5.7 million due to the impact of tax law changes enacted during the year, $19.8 million of tax expense due to the Company's recognition of reserves for unrecognized tax benefits, and a tax benefit of $16.5 million associated with stock-based compensation. A tax benefit of $20.6 million was recognized for the 2022 termination of our U.S. pension plan. The company did not elect to reclassify to retained earnings the stranded tax effects on items within AOCI related to the Tax Cuts and Jobs Act of 2017, and therefore included within the $20.6 million pension termination benefit is a deferred tax benefit of $8.0 million.

During 2021, we recorded a tax benefit of $1.4 million due to the impact of tax law changes enacted during 2021, a tax benefit of $18.5 million due to the Company's prepayment of future royalties from one of its subsidiaries, and a tax benefit of $31.5 million associated with stock-based compensation.

During 2020, we recorded a tax benefit of $0.5 million due to the impact of tax law changes enacted during 2020 and a tax benefit of $20.8 million associated with stock-based compensation.

State operating loss carryforwards of $123.2 million created a deferred tax asset of $7.3 million, while foreign operating loss carryforwards of $18.4 million created a deferred tax asset of $2.9 million. Management estimates that certain state and foreign operating loss carryforwards are unlikely to be utilized and the associated deferred tax assets have been appropriately reserved. In 2022, it was determined that $3.8 million of previously reserved state loss carryforwards were more likely than not to be utilized prior to expiration. State loss carryforwards expire as follows: $4.7 million in 2023 and $118.5 million thereafter. Foreign loss carryforwards total $18.4 million, none of which will expire.

During 2019, we utilized all of our remaining U.S. federal research and development credit carryforwards. State research and development credit carryforwards of $1.8 million created a deferred tax asset of $1.4 million. As of December 31, 2022, $0.4 million of state research and development credits expire in 2025.

In response to the 2017 Tax Act, we reevaluated our position regarding permanent reinvestment of foreign subsidiary earnings and profits through 2017 (with the exception of China and Mexico) and decided that those profits were no longer permanently reinvested. As of January 1, 2018, we reasserted indefinite reinvestment related to all post-2017 unremitted earnings in all of our foreign subsidiaries. In general, it is our practice and intention to permanently reinvest the earnings of our foreign subsidiaries and repatriate earnings only when the tax impact is de minimis, and that position has not changed subsequent to the one-time transition tax under the 2017 Tax Act, except as noted above.

Accordingly, no deferred taxes have been provided for withholding taxes or other taxes that would result upon repatriation of approximately $893.1 million of undistributed earnings from foreign subsidiaries to the U.S., as those earnings continue to be permanently reinvested. Further, it is impracticable for us to estimate any future tax costs for any unrecognized deferred tax liabilities associated with our indefinite reinvestment assertion, because the actual tax liability, if any, would be dependent on complex analysis and calculations considering various tax laws, exchange rates, circumstances existing when there is a repatriation, sale or liquidation, or other factors.

- Definition

The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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+ Details

Commitments and Contingencies	12 Months Ended
Commitments and Contingencies	Dec. 31, 2022
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies	Commitments and Contingencies At December 31, 2022, we were obligated under various operating lease agreements. Please refer to Note 6, Leases, for additional details. At December 31, 2022, we were obligated under various defined benefit pension plans in the U.S. and other countries that cover employees who meet eligibility requirements. Please refer to Note 15, Benefit Plans, for additional details. At December 31, 2022, our outstanding unconditional contractual commitments, including for the purchase of raw materials and finished goods, amounted to $96.8 million, the majority of which is to be paid in the next two years, with $70.9 million due to be paid in 2023. We have letters of credit totaling $2.4 million supporting the reimbursement of workers’ compensation and other claims paid on our behalf by insurance carriers. Our accrual for insurance obligations was $3.3 million at December 31, 2022, of which $0.7 million is in excess of our deductible and, therefore, is reimbursable by the insurance company.

Segment Information

12 Months Ended

Dec. 31, 2022

Segment Reporting [Abstract]

Segment Information

Our business operations are organized into two reportable segments, Proprietary Products and Contract-Manufactured Products. Our Proprietary Products reportable segment offers proprietary packaging, containment solutions and drug delivery products, along with analytical lab services and other integrated services and solutions, primarily to biologic, generic and pharmaceutical drug customers. Our Contract-Manufactured Products reportable segment serves as a fully integrated business, focused on the design, manufacture, and automated assembly of complex devices, primarily for pharmaceutical, diagnostic, and medical device customers.

The Chief Operating Decision Maker ("CODM") evaluates the performance of our segments based upon, among other things, segment net sales and operating profit. Segment operating profit excludes general corporate costs, which include executive and director compensation, stock-based compensation, certain pension and other retirement benefit costs, and other corporate facilities and administrative expenses not allocated to the segments. Also excluded are items that the CODM considers not representative of ongoing operations. Such items are referred to as other unallocated items and generally include restructuring and related charges, certain asset impairments and other specifically-identified income or expense items. The segment operating profit metric is what the CODM uses in evaluating our results of operations and the financial measure that provides a valuable insight into our overall performance and financial position.

The following table presents net sales information about our reportable segments, reconciled to consolidated totals:


($ in millions)	2022		2021		2020
Net sales:
Proprietary Products	$	2,406.8	$	2,317.3	$	1,648.6
Contract-Manufactured Products	480.4		514.7		498.6
Intersegment sales elimination	(0.3)		(0.4)		(0.3)
Consolidated net sales	$	2,886.9	$	2,831.6	$	2,146.9

The intersegment sales elimination, which is required for the presentation of consolidated net sales, represents the elimination of components sold between our segments.

We do not have any customers accounting for greater than 10% of consolidated net sales.

The following table presents net sales and long-lived assets, by the country in which the legal subsidiary is domiciled and assets are located:


	Net Sales						Long-Lived Assets
($ in millions)	2022		2021		2020		2022		2021
United States	$	1,286.5	$	1,198.0	$	975.6	$	611.5	$	504.1
Germany	398.7		474.3		282.1		139.0		124.1
Ireland	240.3		247.6		226.0		179.5		187.3
France	237.9		213.0		172.7		68.8		86.1
Other European countries	359.2		341.3		236.8		81.8		65.1
Other	364.3		357.4		253.7		182.1		160.1
	$	2,886.9	$	2,831.6	$	2,146.9	$	1,262.7	$	1,126.8


The following tables provide summarized financial information for our segments:
($ in millions)	2022		2021		2020
Operating profit (loss):
Proprietary Products	$	784.4	$	796.1	$	434.5
Contract-Manufactured Products	60.4		67.2		68.6
Total business segment operating profit	$	844.8	$	863.3	$	503.1
Corporate and Unallocated
Stock-based compensation expense	$	(23.7)	$	(37.5)	$	(34.0)
Corporate general costs (1)	(59.1)		(63.4)		(52.1)
Unallocated Items:
Restructuring and severance related charges (2)	(23.8)		(2.2)		(7.0)
Amortization of acquisition-related intangible assets (3)	(0.7)		(0.8)		(0.6)
Asset impairment (4)	—		(2.8)		—
Cost investment activity (5)	(3.5)		(4.3)		(2.5)



Total Corporate and Unallocated	$	(110.8)	$	(111.0)	$	(96.2)
Total consolidated operating profit	$	734.0	$	752.3	$	406.9
Interest expense (income) and other nonoperating expense (income), net (6)	54.1		3.4		5.6
Income before income taxes and equity in net income of affiliated companies	$	679.9	$	748.9	$	401.3

(1) Corporate general costs includes executive and director compensation, certain pension and other retirement benefit costs, and other corporate facilities and administrative expenses not allocated to the segments.

(2) During 2022, the Company recorded restructuring and related charges of $23.8 million, which primarily included a charge of $8.7 million in net severance and post-employment benefits primarily in connection with our plan to adjust our operating cost base and $15.3 million in asset-related charges associated with this plan. During 2021 and 2020, the Company recorded a restructuring and severance related charge of $2.2 million and $7.0 million, respectively, to optimize certain organizational structure within the Company.

(3) During 2022, 2021 and 2020, the company recorded $0.7 million, $0.8 million and $0.6 million, respectively, of amortization expense within operating profit associated with an acquisition of an intangible asset during the second quarter of 2020.

(4) During 2021, the Company recorded a $2.8 million impairment charge for certain long-lived and intangible assets within the Proprietary Products segment as it determined the carrying value was not fully recoverable. $1.9 million of this charge is recorded in Cost of Goods and Services Sold and $0.9 million of the charge is recorded in Selling, General, and Administrative expense, due to the nature of the impaired assets.

(5) During 2022, the Company recorded a cost investment impairment charge of $3.5 million. During 2021, the net cost investment activity was equal to $4.3 million, inclusive of an impairment charge of $4.6 million partially offset by a $0.3 million gain on the sale of a cost investment. During 2020, the Company recorded a cost investment impairment charge of $2.5 million.

(6) During 2022, the Company recorded a $52.2 million pension settlement charge, which primarily related to the full settlement and relief of the historical balance sheet position, inclusive of accumulated other comprehensive income, of the U.S. pension plan. During 2021 and 2020, we recorded a $1.8 million and $3.7 million, respectively, pension settlement charge, as we determined that normal-course lump-sum payments for the U.S. pension plan exceeded the threshold for settlement accounting under U.S. GAAP for the year.

Please refer to Note 16, Other Expense (Income), for further discussion of unallocated items.

The following tables provide summarized financial information for our two reportable segments and corporate and unallocated:


($ in millions)
Assets	2022		2021
Proprietary Products	$	2,578.3	$	2,152.6
Contract-Manufactured Products	480.3		443.7
Corporate and Unallocated	558.2		717.5
Total consolidated	$	3,616.8	$	3,313.8


($ in millions)
Depreciation and Amortization	2022		2021		2020
Proprietary Products	$	96.9	$	93.8	$	84.6
Contract-Manufactured Products	19.0		21.1		20.4
Corporate and Unallocated	4.7		7.4		4.1
Total consolidated	$	120.6	$	122.3	$	109.1

($ in millions)
Capital Expenditures	2022		2021		2020
Proprietary Products	$	237.3	$	218.0	$	139.5
Contract-Manufactured Products	34.0		26.6		25.0
Corporate and Unallocated	13.3		8.8		9.9
Total consolidated	$	284.6	$	253.4	$	174.4

- Definition

The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 31
-URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8924-108599

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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+ Details

Schedule II - Valuation and Qualifying Accounts

12 Months Ended

Dec. 31, 2022

SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]

Schedule II - Valuation and Qualifying Accounts


($ in millions)	Balance at beginning of period		Charged to costs and expenses		Deductions (1)		Balance at end of period
For the year ended December 31, 2022
Allowances deducted from assets:
Deferred tax asset valuation allowance	$	12.2	$	1.1	$	—	$	13.3
Allowance for credit losses	0.4		0.3		(0.5)		0.2
Total allowances deducted from assets	$	12.6	$	1.4	$	(0.5)	$	13.5

For the year ended December 31, 2021
Allowances deducted from assets:
Deferred tax asset valuation allowance	$	15.1	$	(2.9)	$	—	$	12.2
Allowance for credit losses	1.1		(0.7)		—		0.4
Total allowances deducted from assets	$	16.2	$	(3.6)	$	—	$	12.6

For the year ended December 31, 2020
Allowances deducted from assets:
Deferred tax asset valuation allowance	$	15.9	$	—	$	(0.8)	$	15.1
Allowance for credit losses	0.5		0.7		(0.1)		1.1
Total allowances deducted from assets	$	16.4	$	0.7	$	(0.9)	$	16.2

(1)Includes accounts receivable written off, the write-off or write-down of valuation allowances, and translation adjustments.

Basis of Presentation and Summary of Significant Accounting Policies (Policies)	12 Months Ended
	Dec. 31, 2022
Accounting Policies [Abstract]
Principles of Consolidation	Principles of Consolidation: The consolidated financial statements include the accounts of West Pharmaceutical Services, Inc. ("West") after the elimination of intercompany transactions. We have no participation or other rights in variable interest entities.
Use of Estimates	Use of Estimates: The financial statements are prepared in conformity with U.S. GAAP. These principles require management to make estimates and assumptions that affect the reported amounts of assets, liabilities, revenues and expenses and the disclosure of contingencies in the financial statements. Actual amounts realized may differ from these estimates.
Cash and Cash Equivalents	Cash and Cash Equivalents: Cash equivalents include time deposits, certificates of deposit and all highly liquid short-term instruments with maturities of three months or less at the time of purchase.
Accounts Receivable	Accounts Receivable: Our accounts receivable balance was net of an allowance for credit losses of $0.2 million and $0.4 million at December 31, 2022 and 2021, respectively. Under the current expected credit loss model, we have adopted a provision matrix approach, utilizing historical loss rates based on the number of days past due, adjusted to reflect current economic conditions and forecasts of future economic conditions.
Inventories	Inventories: Inventories are valued at the lower of cost (on a first-in, first-out basis) or net realizable value.
Property, Plant and Equipment	Property, Plant and Equipment: Property, plant and equipment assets are carried at cost. Maintenance and minor repairs and renewals are charged to expense as incurred. Costs incurred for computer software developed or obtained for internal use are capitalized for application development activities and immediately expensed for preliminary project activities or post-implementation activities. Upon sale or retirement of depreciable assets, costs and related accumulated depreciation are eliminated, and gains or losses are recognized in other expense (income). Depreciation and amortization are computed principally using the straight-line method over the estimated useful lives of the assets, or the remaining term of the lease, if shorter.
Leases	Leases: Operating lease right-of-use assets are initially measured at cost, which comprises the initial amount of the lease liability adjusted for lease payments made at or before the lease commencement date, plus any initial direct costs incurred less any lease incentives received. Operating lease right-of-use assets are subsequently measured throughout the lease term at the carrying amount of the lease liability, plus initial direct costs, plus (minus) any prepaid (accrued) lease payments, less the unamortized balance of lease incentives received. Lease expense for lease payments is recognized on a straight-line basis over the lease term. Operating lease liabilities are initially measured at the present value of the unpaid lease payments at the lease commencement date.
Impairment of Long-Lived Assets	Impairment of Long-Lived Assets: Long-lived assets, including property, plant and equipment and operating lease right-of-use assets, are tested for impairment whenever circumstances indicate that the carrying value of these assets may not be recoverable. An asset is considered impaired if the carrying value of the asset exceeds the sum of the future expected undiscounted cash flows to be derived from the asset. Once an asset is considered impaired, an impairment loss is recorded within other expense (income) for the difference between the asset’s carrying value and its fair value. For assets held and used in the business, management determines fair value using estimated future cash flows to be derived from the asset, discounted to a net present value using an appropriate discount rate. For assets held for sale or for investment purposes, management determines fair value by estimating the proceeds to be received upon sale of the asset, less disposition costs.
Impairment of Goodwill and Other Intangible Assets	Impairment of Goodwill and Other Intangible Assets: Goodwill is tested for impairment at least annually, following the completion of our annual budget and long-range planning process, or whenever circumstances indicate that the carrying value of these assets may not be recoverable. Goodwill is tested for impairment at the reporting unit level, which is the same as, or one level below, our operating segments. A goodwill impairment charge represents the amount by which a reporting unit’s carrying amount exceeds its fair value, not to exceed the total amount of goodwill allocated to that reporting unit. Accounting guidance also allows entities to first assess qualitative factors, including macroeconomic conditions, industry and market considerations, cost factors, and overall financial performance, to determine whether it is necessary to perform the quantitative goodwill impairment test. We elected to follow this guidance for our annual impairment test. Based upon our assessment, we determined that it was not more likely than not that the fair value of each of our reporting units was less than its carrying amount and determined that it was not necessary to perform the quantitative goodwill impairment test. Valuing identifiable intangible assets requires judgment. For example, for recent identifiable customer relationship intangible asset acquisitions, we applied an excess earnings model, which is a form of the income approach. This approach includes projecting revenues and expenses attributable to the existing customers over the remaining economic life of the customer relationships and then subtracting the required return on net tangible assets and any intangible assets used in the business to estimate any residual excess earnings attributable to the customer relationships. The after-tax excess earnings are then discounted to present value using the respective discount rates. Intangible assets with finite lives are amortized using the straight-line method over their estimated useful lives of 3 to 25 years, and reviewed for impairment whenever circumstances indicate that the carrying value of these assets may not be recoverable. Factors that could trigger an impairment review include the following: 1) significant under-performance relative to historical or projected future operating results; 2) significant changes in the manner of use of the acquired assets or the strategy of the overall business; 3) significant negative industry or economic trends; and 4) recognition of goodwill impairment charges. If we determine that the carrying value of identifiable intangibles assets may not be recoverable based on the existence of one or more of the above indicators of impairment, we measure recoverability of assets by comparing the respective carrying value of the assets to the current and expected future cash flows, on an un-discounted basis, to be generated from such assets. If such analysis indicates that the carrying value of these assets is not recoverable, we measure an impairment based on the amount in which the net carrying amount of the assets exceeds the fair values of the assets.
Employee Benefits	Employee Benefits: The measurement of the obligations under our defined benefit pension and postretirement medical plans are subject to a number of assumptions. These include the rate of return on plan assets (for funded plans) and the rate at which the future obligations are discounted to present value. For our funded plans, we consider the current and expected asset allocations of our plan assets, as well as historical and expected rates of return, in estimating the long-term rate of return on plan assets. U.S. GAAP requires the recognition of an asset or liability for the funded status of a defined benefit postretirement plan, as measured by the difference between the fair value of plan assets, if any, and the benefit obligation. For a pension plan, the benefit obligation is the projected benefit obligation; for any other postretirement plan, such as a retiree health plan, the benefit obligation is the accumulated postretirement benefit obligation. Please refer to Note 15, Benefit Plans, for a more detailed discussion of our pension and other retirement plans.
Financial Instruments	Financial Instruments: All derivatives are recognized as either assets or liabilities in the balance sheet and recorded at their fair value. For a derivative designated as hedging the exposure to variable cash flows of a forecasted transaction (referred to as a cash flow hedge), the effective portion of the derivative’s gain or loss is initially reported as a component of other comprehensive income (“OCI”), net of tax, and subsequently reclassified into earnings when the forecasted transaction affects earnings. For a derivative designated as hedging the exposure to changes in the fair value of a recognized asset or liability or a firm commitment (referred to as a fair value hedge), the derivative’s gain or loss is recognized in earnings in the period of change together with the offsetting loss or gain on the hedged item. For a derivative designated as hedging the foreign currency exposure of a net investment in a foreign operation, the gain or loss is reported in OCI, net of tax, as part of the cumulative translation adjustment. The ineffective portion of any derivative used in a hedging transaction is recognized immediately into earnings. Derivative financial instruments that are not designated as hedges are also recorded at fair value, with the change in fair value recognized immediately into earnings. We do not purchase or hold any derivative financial instrument for investment or trading purposes.
Foreign Currency Translation	Foreign Currency Translation: Foreign currency transaction gains and losses are recognized in the determination of net income. Foreign currency translation adjustments of subsidiaries and affiliates operating outside of the U.S. are accumulated in other comprehensive loss, a separate component of equity.
Revenue Recognition	Revenue Recognition: Our revenue results from the sale of goods or services and reflects the consideration to which we expect to be entitled in exchange for those goods or services. We record revenue based on a five-step model, in accordance with Accounting Standards Codification (“ASC”) 606. Following the identification of a contract with a customer, we identify the performance obligations (goods or services) in the contract, determine the transaction price, allocate the transaction price to the performance obligations in the contract, and recognize the revenue when (or as) we satisfy the performance obligations by transferring the promised goods or services to our customers. A good or service is transferred when (or as) the customer obtains control of that good or service. We have elected to disregard the effects of a significant financing component, as we expect, at the inception of our contracts, that the period between when we transfer a promised good or service to the customer and when the customer pays for that good or service will be one year or less. In addition, we have elected to omit the disclosure of the majority of our remaining performance obligations, which are satisfied within one year or less.
Shipping and Handling Costs	Shipping and Handling Costs: Shipping and handling costs are included in cost of goods and services sold. Shipping and handling costs billed to customers in connection with the sale are included in net sales.
Research and Development	Research and Development: Research and development expenditures are for the creation, engineering and application of new or improved products and processes. Expenditures include primarily salaries and outside services for those directly involved in research and development activities and are primarily expensed as incurred.
Environmental Remediation and Compliance Costs	Environmental Remediation and Compliance Costs: Environmental remediation costs are accrued when such costs are probable and reasonable estimates are determinable. Cost estimates include investigation, cleanup and monitoring activities; such estimates are adjusted, if necessary, based on additional findings. Environmental compliance costs are expensed as incurred as part of normal operations.
Litigation	Litigation: From time to time, we are involved in legal proceedings, investigations and claims generally incidental to our normal business activities. In accordance with U.S. GAAP, we accrue for loss contingencies when it is probable that a liability has been incurred and the amount of the loss can be reasonably estimated. These estimates are based on an analysis made by internal and external legal counsel considering information known at the time. Legal costs in connection with loss contingencies are expensed as incurred.
Income Taxes	Income Taxes: Deferred income taxes are recognized by applying enacted statutory tax rates to tax loss carryforwards and temporary differences between the tax basis and financial statement carrying values of our assets and liabilities. The enacted statutory tax rate applied is based on the rate expected to be applicable at the time of the forecasted utilization of the loss carryforward or reversal of the temporary difference. Valuation allowances on deferred tax assets are established when it is more likely than not that all or a portion of a deferred tax asset will not be realized. The realizability of deferred tax assets is subject to our estimates of future taxable income, generally at the respective subsidiary company and the country level. Please refer to Note 17, Income Taxes, for additional information. We recognize interest costs related to income taxes in interest expense and penalties within other expense (income). The tax law ordering approach is used for purposes of determining whether an excess tax benefit has been realized during the year.
Stock-based Compensation	Stock-Based Compensation: Under the fair value provisions of U.S. GAAP, stock-based compensation cost is measured at the grant date based on the value of the award and is recognized as expense over the vesting period. In order to determine the fair value of stock options on the grant date, we use the Black-Scholes valuation model.
Net Income Per Share	Net Income Per Share: Basic net income per share is computed by dividing net income attributable to common shareholders by the weighted average number of shares of common stock outstanding during each period. Net income per share assuming dilution considers the dilutive effect of outstanding stock options and other stock awards based on the treasury stock method. The treasury stock method assumes the use of exercise proceeds to repurchase common stock at the average fair market value in the period.
Recently Adopted Standards	In November 2021, the Financial Accounting Standards Board ("FASB") issued guidance that seeks to improve the transparency of financial disclosures for government assistance received by business entities. The amendment requires disclosures for transactions with a government accounted for by applying a grant or contribution accounting model by analogy, including (1) the types of transactions, (2) the accounting for those transactions, and (3) the effect of those transactions on an entity’s financial statements. This guidance is effective for fiscal years beginning after December 15, 2021. We adopted this guidance as of January 1, 2022, on a prospective basis. The adoption did not have a material impact on our financial statements. In March 2020, the FASB issued guidance which provides optional expedients and exceptions to address the impact of reference rate reform where contracts, hedging relationships and other transactions that reference the London Interbank Offered Rate ("LIBOR") or another reference rate need to be discontinued. This guidance was effective upon issuance and generally can be applied through December 31, 2022. We adopted this guidance during the year by executing amendments to certain contracts to replace the use of LIBOR. The adoption did not have a material impact on our financial statements.

Basis of Presentation and Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2022

Accounting Policies [Abstract]

Schedule of Inventories

The following is a summary of inventories at December 31:


($ in millions)	2022		2021
Raw materials	$	170.7	$	153.8
Work in process	79.0		63.5
Finished goods	165.1		161.1
	$	414.8	$	378.4

Revenue (Tables)

12 Months Ended

Dec. 31, 2022

Revenue from Contract with Customer [Abstract]

Schedule of Disaggregation of Revenue

The following table presents the approximate percentage of our net sales by market group:


	2022		2021		2020
Biologics	41	%	41	%	31	%
Generics	18	%	17	%	20	%
Pharma	24	%	24	%	26	%
Contract-Manufactured Products	17	%	18	%	23	%
	100	%	100	%	100	%

The following table presents the approximate percentage of our net sales by product category:


	2022		2021		2020
High-Value Product Components	55	%	54	%	46	%
High-Value Product Delivery Devices	5	%	5	%	5	%
Standard Packaging	23	%	23	%	26	%
Contract-Manufactured Products	17	%	18	%	23	%
	100	%	100	%	100	%

The following table presents the approximate percentage of our net sales by geographic location:


	2022		2021		2020
Americas	48	%	45	%	48	%
Europe, Middle East, Africa	43	%	45	%	43	%
Asia Pacific	9	%	10	%	9	%
	100	%	100	%	100	%

Schedule of Change in Contract with Customer, Asset and Liability

The following table summarizes our contract assets and liabilities, excluding amounts included in accounts receivable, net:


	($ in millions)
Contract assets, December 31, 2021	$	14.6
Contract assets, December 31, 2022	16.3
Change in contract assets - increase (decrease)	$	1.7

Deferred income, December 31, 2021	$	(61.3)
Deferred income, December 31, 2022	(68.2)
Change in deferred income - (increase) decrease	$	(6.9)

Net Income Per Share (Tables)

12 Months Ended

Dec. 31, 2022

Earnings Per Share [Abstract]

Schedule of Reconciliation of Basic to Diluted Net Income Per Share

The following table reconciles the shares used in the calculation of basic net income per share to those used for diluted net income per share:


(in millions)	2022		2021		2020
Net income	$	585.9	$	661.8	$	346.2
Weighted average common shares outstanding	74.4		74.4		73.9
Dilutive effect of equity awards, based on the treasury stock method	1.4		1.9		1.9

Weighted average shares assuming dilution	75.8		76.3		75.8

Property, Plant and Equipment (Tables)

12 Months Ended

Dec. 31, 2022

Property, Plant and Equipment [Abstract]

Schedule of Property, Plant and Equipment

A summary of gross property, plant and equipment at December 31 is presented in the following table:


($ in millions)	Expected useful lives (years)	2022		2021
Land		$	29.0	$	29.3
Buildings and improvements	15-35	663.6		644.8
Machinery and equipment	5-12	1,039.7		976.1
Molds and dies	4-7	154.5		139.5
Computer hardware and software	3-10	193.9		182.6
Construction in progress		305.9		242.7
		$	2,386.6	$	2,215.0

Leases (Tables)

12 Months Ended

Dec. 31, 2022

Leases [Abstract]

Schedule of Lease, Cost

The components of lease expense were as follows:


($ in millions)	2022		2021		2020
Operating lease cost	$	15.5	$	12.7	$	12.8
Short-term lease cost	1.3		1.3		0.8
Variable lease cost	6.8		4.8		3.8
Total lease cost	$	23.6	$	18.8	$	17.4

Schedule of Cash Flow and Supplemental information

Supplemental information related to leases was as follows:


($ in millions)	2022		2021		2020
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$	13.3	$	12.1	$	12.6

Right-of-use assets obtained in exchange for new operating lease liabilities	$	47.6	$	13.3	$	6.1

Schedule of Lessee, Operating Lease, Liability, Maturity

Maturities of lease liabilities as of December 31, 2022 were as follows:


($ in millions)	Operating
Year	Leases
2023	$	19.0
2024	18.1
2025	16.0
2026	13.4
2027	9.4
Thereafter	50.8
	126.7
Less: imputed lease interest	(17.7)
Total lease liabilities	$	109.0

Affiliated Companies (Tables)

12 Months Ended

Dec. 31, 2022

Equity Method Investments and Joint Ventures [Abstract]

Schedule of Equity Method Investments

At December 31, 2022, the following affiliated companies were accounted for under the equity method:


	Location	Ownership interest
The West Company Mexico, S.A. de C.V.	Mexico	49%
Aluplast S.A. de C.V.	Mexico	49%
Pharma Tap S.A. de C.V.	Mexico	49%
Pharma Rubber S.A. de C.V.	Mexico	49%
Daikyo	Japan	49%

Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2022

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

The changes in the carrying amount of goodwill by reportable segment were as follows:


($ in millions)	Proprietary Products		Contract-Manufactured Products		Total
Balance, December 31, 2020	$	80.9	$	30.2	$	111.1
Goodwill recorded due to acquisition	1.7		—		1.7
Goodwill impairment charge	(0.1)		—		(0.1)
Foreign currency translation	(2.4)		(0.4)		(2.8)
Balance, December 31, 2021	80.1		29.8		109.9


Foreign currency translation	(2.2)		(0.4)		(2.6)
Balance, December 31, 2022	$	77.9	$	29.4	$	107.3

Schedule of Intangible Assets by Major Class

Intangible assets and accumulated amortization as of December 31 were as follows:


	2022						2021
($ in millions)	Cost		Accumulated amortization		Net		Cost		Accumulated amortization		Net
Patents and licensing	$	24.5	$	(20.6)	$	3.9	$	25.1	$	(19.4)	$	5.7
Technology	3.3		(2.2)		1.1		3.3		(2.0)		1.3
Trademarks	1.9		(1.8)		0.1		2.0		(1.9)		0.1
Customer relationships	39.6		(27.2)		12.4		40.1		(25.4)		14.7
Customer contracts	10.9		(10.0)		0.9		10.6		(9.4)		1.2
	$	80.2	$	(61.8)	$	18.4	$	81.1	$	(58.1)	$	23.0

- Definition

Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule.

+ References

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+ Details

Other Current Liabilities (Tables)

12 Months Ended

Dec. 31, 2022

Other Current Liabilities [Abstract]

Schedule of Other Current Liabilities

Other current liabilities as of December 31 included the following:


($ in millions)	2022		2021
Deferred income	$	57.3	$	48.7
Dividends payable	14.1		13.4
Accrued commissions, rebates and royalties	32.1		38.7
Accrued retirement plans (excluding pension)	10.6		8.8
Accrued taxes other than income	13.7		13.0
Accrued professional services	5.4		3.7
Accrued interest	2.5		3.2
Restructuring and severance related charges	11.3		4.6
Short term derivative instruments	1.3		3.3
Other	33.4		26.0
Total other current liabilities	$	181.7	$	163.4

Debt (Tables)

12 Months Ended

Dec. 31, 2022

Debt Disclosure [Abstract]

Schedule of Long-term Debt Obligations, Net of Current Maturities


($ in millions)	2022		2021





Term Loan, due December 31, 2024 (5.56%)	$	83.2	$	85.5
Series A notes, due July 5, 2022 (3.67%)	—		42.0
Series B notes, due July 5, 2024 (3.82%)	53.0		53.0
Series C notes, due July 5, 2027 (4.02%)	73.0		73.0
	209.2		253.5
Less: unamortized debt issuance costs for Term Loan and Series notes	0.3		0.5
Total debt	208.9		253.0
Less: current portion of long-term debt	2.2		44.2
Long-term debt, net	$	206.7	$	208.8

Derivative Financial Instruments (Tables)

12 Months Ended

Dec. 31, 2022

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Foreign Currency Contracts

As of December 31, 2022, we had outstanding foreign currency contracts to purchase and sell certain pairs of currencies, as follows:


(in millions)		Sell
Currency	Purchase	USD	EUR
USD	1.7		1.2
Yen	6,123.6	31.0	15.0
SGD	62.8	21.1	23.5

Schedule of Effects of Derivative Instruments on Other Comprehensive Income ('OCI') and Earnings

The following table summarizes the effects of derivative instruments designated as fair value hedges in our consolidated statements of income for the years ended December 31:


	Amount of Gain (Loss) Recognized in Income						Location on Statement of Income
($ in millions)	2022		2021		2020
Fair Value Hedges:
Hedged item (intercompany loan)	$	(28.3)	$	(22.1)	$	28.5	Other expense (income)
Derivative designated as hedging instrument	28.3		22.1		(28.5)		Other expense (income)
Amount excluded from effectiveness testing	5.2		3.0		6.1		Other expense (income)
Total	$	5.2	$	3.0	$	6.1

The following tables summarize the effects of derivative instruments designated as fair value, cash flow, and net investment hedges on OCI and earnings, net of tax, for the years ended December 31:


	Amount of Gain (Loss) Recognized in OCI
($ in millions)	2022		2021		2020
Fair Value Hedges:
Foreign currency hedge contracts	$	1.3	$	0.6	$	4.0
Total	$	1.3	$	0.6	$	4.0
Cash Flow Hedges:
Foreign currency hedge contracts (hedges of net sales)	$	0.3	$	(0.2)	$	(0.6)
Foreign currency hedge contracts (hedges of cost of goods and services sold)	(1.1)		(1.8)		(0.6)
Forward treasury locks	—		—		—
Total	$	(0.8)	$	(2.0)	$	(1.2)
Net Investment Hedges:
Cross-currency swap	$	9.1	$	7.7	$	(3.2)
Total	$	9.1	$	7.7	$	(3.2)


	Amount of (Gain) Loss Reclassified from Accumulated OCI into Income						Location of (Gain) Loss Reclassified from Accumulated OCI into Income
($ in millions)	2022		2021		2020
Fair Value Hedges:
Foreign currency hedge contracts	$	(1.6)	$	(0.8)	$	(4.3)	Other expense (income)
Total	$	(1.6)	$	(0.8)	$	(4.3)
Cash Flow Hedges:
Foreign currency hedge contracts	$	(1.2)	$	0.9	$	0.2	Net sales
Foreign currency hedge contracts	3.5		1.7		(0.1)		Cost of goods and services sold
Forward treasury locks	0.2		0.3		0.3		Interest expense
Total	$	2.5	$	2.9	$	0.4
Net Investment Hedges:
Cross-currency swap	—		—		—		Other expense (income)
Total	$	—	$	—	$	—

The following table summarizes the effects of derivative instruments designated as cash flow and net investment hedges by line item in our consolidated statements of income for the years ended December 31:


($ in millions)	2022		2021		2020
Net sales	$	(1.2)	$	0.9	$	0.2
Cost of goods and services sold	3.5		1.7		(0.1)
Interest expense	0.2		0.3		0.3

Schedule of Derivatives Not Designated as Hedging Instruments

The following table summarizes the effects of derivative instruments not designated as hedges in our consolidated statements of income for the years ended December 31:


	Amount of Gain (Loss) Recognized in Income						Location on Statement of Income
($ in millions)	2022		2021		2020
Commodity call options	$	1.5	$	1.7	$	(0.2)	Other expense (income)
Total	$	1.5	$	1.7	$	(0.2)

- Definition

Tabular disclosure of pertinent information about a derivative or group of derivatives on a disaggregated basis, such as for individual instruments, or small groups of similar instruments. May include a combination of the type of instrument, risks being hedged, notional amount, hedge designation, related hedged item, inception date, maturity date, or other relevant item.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
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-URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5624163-113959

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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-Section 50
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
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-URI https://asc.fasb.org/extlink&oid=125515794&loc=d3e41620-113959

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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-Section 50
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-URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5579245-113959

Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
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Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
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Reference 7: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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-URI https://asc.fasb.org/extlink&oid=125515794&loc=d3e41641-113959

Reference 8: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
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Reference 9: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
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-URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5579240-113959

+ Details

Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2022

Fair Value Disclosures [Abstract]

Schedule of Assets and Liabilities Measured at Fair Value

The following tables present the assets and liabilities recorded at fair value on a recurring basis:


	Balance at		Basis of Fair Value Measurements
($ in millions)	December 31, 2022		Level 1		Level 2		Level 3
Assets:

Deferred compensation assets	$	12.5	$	12.5	$	—	$	—
Foreign currency contracts	4.5		—		4.5		—
Cross-currency swap	13.9		—		13.9		—
Commodity call options	1.2		—		1.2		—
	$	32.1	$	12.5	$	19.6	$	—
Liabilities:
Contingent consideration	$	4.7	$	—	$	—	$	4.7
Deferred compensation liabilities	12.7		12.7		—		—

Foreign currency contracts	1.4		—		1.4		—
	$	18.8	$	12.7	$	1.4	$	4.7


	Balance at		Basis of Fair Value Measurements
($ in millions)	December 31, 2021		Level 1		Level 2		Level 3
Assets:

Deferred compensation assets	$	15.5	$	15.5	$	—	$	—
Foreign currency contracts	14.8		—		14.8		—
Cross-currency swap	4.4		—		4.4		—
Commodity call options	1.7		—		1.7		—
	$	36.4	$	15.5	$	20.9	$	—
Liabilities:
Contingent consideration	$	3.7	$	—	$	—	$	3.7
Deferred compensation liabilities	16.1		16.1		—		—

Foreign currency contracts	3.4		—		3.4		—
	$	23.2	$	16.1	$	3.4	$	3.7

Accumulated Other Comprehensive Loss (Tables)

12 Months Ended

Dec. 31, 2022

Equity [Abstract]

Schedule of Components of Accumulated Other Comprehensive Loss

The following table presents the changes in the components of accumulated other comprehensive loss, net of tax:


($ in millions)	Derivatives		Equity affiliate investment AOCI		Defined benefit pension and other postretirement plans		Foreign currency translation		Total
Balance, December 31, 2019	$	(0.8)	$	0.4	$	(40.3)	$	(108.9)	$	(149.6)
Other comprehensive income (loss) before reclassifications	2.8		0.2		(2.5)		40.1		40.6
Amounts reclassified out	(3.9)		—		2.3		—		(1.6)
Other comprehensive income (loss), net of tax	(1.1)		0.2		(0.2)		40.1		39.0
Balance, December 31, 2020	(1.9)		0.6		(40.5)		(68.8)		(110.6)
Other comprehensive (loss) income before reclassifications	(1.4)		0.9		7.4		(59.3)		(52.4)
Amounts reclassified out	2.1		—		1.3		—		3.4
Other comprehensive (loss) income, net of tax	0.7		0.9		8.7		(59.3)		(49.0)
Balance, December 31, 2021	(1.2)		1.5		(31.8)		(128.1)		(159.6)
Other comprehensive (loss) income before reclassifications	0.5		0.1		(9.3)		(47.3)		(56.0)
Amounts reclassified out	0.9		—		31.7		—		32.6
Other comprehensive (loss) income, net of tax	1.4		0.1		22.4		(47.3)		(23.4)
Balance, December 31, 2022	$	0.2	$	1.6	$	(9.4)	$	(175.4)	$	(183.0)

Schedule of Reclassification out of Accumulated Other Comprehensive Loss

A summary of the reclassifications out of accumulated other comprehensive loss is presented in the following table ($ in millions):


Detail of components	2022		2021		2020		Location on Statement of Income
Gains (losses) on derivatives:
Foreign currency contracts	$	1.4	$	(1.1)	$	(0.2)	Net sales
Foreign currency contracts	(4.1)		(2.4)		0.1		Cost of goods and services sold
Foreign currency contracts	2.4		1.2		5.9		Other expense (income)
Forward treasury locks	(0.3)		(0.4)		(0.4)		Interest expense
Total before tax	(0.6)		(2.7)		5.4
Tax (expense) benefit	(0.3)		0.6		(1.5)
Net of tax	$	(0.9)	$	(2.1)	$	3.9
Amortization of defined benefit pension and other postretirement plans:

Prior service credit	$	—	$	0.3	$	0.6	(a)
Actuarial gains (losses)	0.6		(0.2)		(0.1)		(a)
Settlements	(52.2)		(1.8)		(3.7)		(a)
Other	(0.4)		—		—		(a)
Total before tax	(52.0)		(1.7)		(3.2)
Tax benefit	20.3		0.4		0.9
Net of tax	$	(31.7)	$	(1.3)	$	(2.3)
Total reclassifications for the period, net of tax	$	(32.6)	$	(3.4)	$	1.6

(a) These components are included in the computation of net periodic benefit cost. Please refer to Note 15, Benefit Plans, for additional details.

Stock-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2022

Share-Based Payment Arrangement [Abstract]

Schedule of Allocation of Share-based Compensation Costs by Plan

The following table summarizes our stock-based compensation expense recorded within selling, general and administrative expenses for the years ended December 31:


($ in millions)	2022		2021		2020
Stock option and appreciation rights	$	5.6	$	12.5	$	10.2
Performance share units, stock-settled	15.6		17.6		16.6
Performance share units, cash-settled	(0.1)		1.0		0.4
Performance share units, dividend equivalents	0.1		0.2		0.6
Employee stock purchase plan	1.3		1.4		1.1
Deferred compensation plans and restricted share awards	1.2		4.8		5.1
Total stock-based compensation expense	$	23.7	$	37.5	$	34.0

Schedule of Stock Options Activity

The following table summarizes changes in outstanding options:


(in millions, except per share data)			2022
Options outstanding, January 1			2.0
Granted			0.1
Exercised			(0.2)
Forfeited			0.0
Options outstanding, December 31			1.9
Options vested and expected to vest, December 31			1.9
Options vested and exercisable, December 31			1.5


Weighted Average Exercise Price	2022
Options outstanding, January 1	$	101.73
Granted	364.47
Exercised	83.77
Forfeited	224.26
Options outstanding, December 31	$	118.72
Options vested and expected to vest, December 31	$	116.88
Options vested and exercisable, December 31	$	84.11

Schedule of Stock Appreciation Rights Award Activity

The following table summarizes changes in outstanding SARs:


			2022
SARs outstanding, January 1			21,054
Granted			520
Exercised			(1,169)
Forfeited			(3)
SARs outstanding, December 31			20,402
SARs vested and expected to vest, December 31			20,402
SARs vested and exercisable, December 31			17,450



Weighted Average Exercise Price	2022
SARs outstanding, January 1	$	88.18
Granted	369.13
Exercised	54.64
Forfeited	21.22
SARs outstanding, December 31	$	97.28
SARs vested and expected to vest, December 31	$	97.28
SARs vested and exercisable, December 31	$	74.86

Schedule of Nonvested Performance-based Share Activity

The following table summarizes changes in our outstanding stock-settled PSU awards:


	2022
Non-vested stock-settled PSU awards, January 1	164,474
Granted at target level	32,109
Adjustments above/(below) target	68,426
Vested and converted	(144,490)
Forfeited	(7,966)
Non-vested stock-settled PSU awards, December 31	112,553

Weighted Average Fair Value	2022
Non-vested stock-settled PSU awards, January 1	$	179.88
Granted at target level	362.40
Adjustments above/(below) target	106.57
Vested and converted	369.13
Forfeited	240.19
Non-vested stock-settled PSU awards, December 31	$	278.38

Schedule of Nonvested Performance-based Units Activity

The following table summarizes changes in our outstanding cash-settled PSU awards:


			2022
Non-vested cash-settled PSU awards, January 1			1,318
Granted at target level			136
Adjustments above/(below) target			507
Vested and converted			(1,071)
Forfeited			—
Non-vested cash-settled PSU awards, December 31			890


Weighted Average Fair Value	2022
Non-vested cash-settled PSU awards, January 1	$	169.53
Granted at target level	369.13
Adjustments above/(below) target	104.44
Vested and converted	369.13
Forfeited	—
Non-vested cash-settled PSU awards, December 31	$	242.29

Benefit Plans (Tables)

12 Months Ended

Dec. 31, 2022

Retirement Benefits [Abstract]

Schedule of Components of Net Periodic Benefit Cost

The components of net periodic benefit cost and other amounts recognized in OCI were as follows:


	Pension benefits						Other retirement benefits
($ in millions)	2022		2021		2020		2022		2021		2020
Net periodic benefit cost:
Service cost	$	1.5	$	1.6	$	1.5	$	—	$	—	$	—
Interest cost	4.2		6.2		7.1		0.2		0.2		0.2
Expected return on plan assets	(6.1)		(11.9)		(11.7)		—		—		—
Amortization of prior service credit	—		0.1		0.1		—		(0.4)		(0.7)

Amortization of actuarial loss (gain)	1.3		1.8		2.0		(1.9)		(1.6)		(1.9)
Settlement loss	52.2		1.8		3.7		—		—		—
Other	1.0		—		—		0.4		—		—
Net periodic benefit cost	$	54.1	$	(0.4)	$	2.7	$	(1.3)	$	(1.8)	$	(2.4)
Other changes in plan assets and benefit obligations recognized in OCI, pre-tax:
Net loss (gain) arising during period	$	16.0	$	(6.3)	$	1.8	$	(2.0)	$	(0.9)	$	(0.4)
Prior service credit arising during period	—		(2.0)		—		—		—		—
Amortization of prior service credit	—		(0.1)		(0.1)		—		0.4		0.7

Amortization of actuarial (loss) gain	(1.3)		(1.8)		(2.0)		1.9		1.6		1.9
Settlement loss	(52.2)		(1.8)		(3.7)		—		—		—
Foreign currency translation	(2.3)		(0.9)		1.8		—		—		—
Other	—		—		—		(0.4)		—		—
Total recognized in OCI	$	(39.8)	$	(12.9)	$	(2.2)	$	(0.5)	$	1.1	$	2.2
Total recognized in net periodic benefit cost and OCI	$	14.3	$	(13.3)	$	0.5	$	(1.8)	$	(0.7)	$	(0.2)

Net periodic benefit cost by geographic location is as follows:


	Pension benefits						Other retirement benefits
($ in millions)	2022		2021		2020		2022		2021		2020
U.S. plans	$	51.7	$	(2.3)	$	1.2	$	(1.3)	$	(1.8)	$	(2.4)
International plans	2.4		1.9		1.5		—		—		—
Net periodic benefit cost	$	54.1	$	(0.4)	$	2.7	$	(1.3)	$	(1.8)	$	(2.4)

Schedule of Changes in Projected Benefit Obligation, Fair Value of Plan Assets and Funded Status

The following table presents the changes in the benefit obligation and the fair value of plan assets, as well as the funded status of the plans:


	Pension benefits				Other retirement benefits
($ in millions)	2022		2021		2022		2021
Change in benefit obligation:
Benefit obligation, January 1	$	(269.8)	$	(298.9)	$	(5.6)	$	(6.1)
Service cost	(1.5)		(1.6)		—		—
Interest cost	(4.2)		(6.2)		(0.2)		(0.2)
Participants’ contributions	(0.4)		(0.6)		(0.4)		(0.5)
Actuarial gain (loss)	33.0		12.1		2.0		0.9
Amendments/transfers in	—		2.0		—		—
Benefits paid	6.9		7.1		0.3		0.3

Settlement loss	174.4		13.1		—		—
Foreign currency translation	6.1		3.2		—		—
Benefit obligation, December 31	$	(55.5)	$	(269.8)	$	(3.9)	$	(5.6)

Change in plan assets:
Fair value of assets, January 1	$	249.2	$	258.1	$	—	$	—
Actual return on plan assets	(42.4)		6.1		—		—
Employer contribution	8.4		3.6		(0.1)		(0.2)
Participants’ contributions	0.4		0.6		0.4		0.5
Benefits paid	(7.2)		(5.2)		(0.3)		(0.3)

Settlement loss	(174.4)		(13.1)		—		—
Foreign currency translation	(4.6)		(0.9)		—		—
Fair value of assets, December 31	$	29.4	$	249.2	$	—	$	—

Funded status at end of year	$	(26.1)	$	(20.6)	$	(3.9)	$	(5.6)

Schedule of Amounts Recognized in Balance Sheet

Amounts recognized in the balance sheet were as follows:


	Pension benefits				Other retirement benefits
($ in millions)	2022		2021		2022		2021
Noncurrent assets	$	0.3	$	16.7	$	—	$	—
Current liabilities	(1.5)		(1.7)		(0.6)		(0.7)
Noncurrent liabilities	(24.9)		(35.6)		(3.3)		(4.9)
	$	(26.1)	$	(20.6)	$	(3.9)	$	(5.6)

Schedule of Amounts Recognized in Other Comprehensive Income (Loss)

The amounts in accumulated other comprehensive loss, pre-tax, consisted of:


	Pension benefits				Other retirement benefits
($ in millions)	2022		2021		2022		2021
Net actuarial loss (gain)	$	16.7	$	56.5	$	(5.2)	$	(4.7)

Prior service cost (credit)	(1.1)		(1.3)		—		—
Total	$	15.6	$	55.2	$	(5.2)	$	(4.7)

Schedule of Expected Benefit Payments


($ in millions)	Domestic		International		Total
2023	$	1.5	$	2.2	$	3.7
2024	1.4		2.5		3.9
2025	1.3		2.8		4.1
2026	1.2		3.3		4.5
2027	1.0		3.7		4.7
2028 to 2032	4.2		17.8		22.0
	$	10.6	$	32.3	$	42.9

Schedule of Assumptions Used

Weighted average assumptions used to determine net periodic benefit cost were as follows:


	Pension benefits						Other retirement benefits
	2022		2021		2020		2022		2021		2020
Discount rate	2.48	%	2.29	%	2.61	%	2.75	%	2.30	%	3.20	%
Rate of compensation increase	2.79	%	2.41	%	2.33	%	—		—		—
Expected long-term rate of return on assets	4.14	%	4.93	%	5.10	%	—		—		—

Weighted average assumptions used to determine the benefit obligations were as follows:


	Pension benefits				Other retirement benefits
	2022		2021		2022		2021
Discount rate	4.35	%	2.48	%	5.55	%	2.75	%
Rate of compensation increase	3.09	%	2.79	%	—		—

The weighted average interest crediting rating used to determine net periodic benefit cost by geographic location for our pension plans, at December 31, were as follows:


	2022		2021		2020
U.S. plans	3.31	%	3.31	%	3.30	%
International plans	1.75	%	0.67	%	0.52	%

Schedule of Allocation of Plan Assets

The weighted average asset allocations by asset category for our pension plans, at December 31, were as follows:


	2022		2021
Equity securities	28	%	12	%
Debt securities	68	%	86	%
Other	4	%	2	%
	100	%	100	%

The following are the target asset allocations and acceptable allocation ranges across:


	Target allocation	Allocation range
Equity securities	27%	25% - 30%
Debt securities	68%	63% - 68%
Other	5%	2% - 7%


	Balance at
	December 31,		Basis of Fair Value Measurements
($ in millions)	2022		Level 1		Level 2		Level 3
Cash	$	0.7	$	0.7	$	—	$	—
Equity securities:

International mutual funds	8.2		—		8.2		—
Fixed income securities:
Mutual funds	20.4		—		20.4		—


Other mutual funds	0.1		—		0.1		—
Pension plan assets in the fair value hierarchy	$	29.4	$	0.7	$	28.7	$	—
Pension plan assets measured at NAV	—
Pension plan assets at fair value	$	29.4


	Balance at
	December 31,		Basis of Fair Value Measurements
($ in millions)	2021		Level 1		Level 2		Level 3
Cash	$	1.6	$	1.6	$	—	$	—
Equity securities:

International mutual funds	21.2		—		21.2		—
Fixed income securities:
Mutual funds	22.1		—		22.1		—

Other mutual funds	4.6		—		4.6		—

Pension plan assets in the fair value hierarchy	$	49.5	$	1.6	$	47.9	$	—
Pension plan assets measured at NAV	199.7
Pension plan assets at fair value	$	249.2

Other Expense (Income) (Tables)

12 Months Ended

Dec. 31, 2022

Other Income and Expenses [Abstract]

Schedule of Other Expense (Income)

Other expense (income) consisted of:


($ in millions)	2022		2021		2020
Restructuring and related charges:
Severance and post-employment benefits	$	8.7	$	0.6	$	4.6
Asset-related charges	15.3		—		—
Other charges	(0.2)		1.6		—
Total restructuring and related charges	$	23.8	$	2.2	$	4.6
Fixed asset impairments and sale of equipment, net	2.7		1.3		7.7

(Gain) loss on oil hedges	(1.5)		(1.7)		0.2

Contingent consideration	3.0		1.5		1.2
Foreign exchange transaction gains	(4.1)		(1.4)		(1.5)
Cost investment activity	3.5		4.3		2.5
Other items	(0.6)		1.7		(2.7)
Total other expense (income)	$	26.8	$	7.9	$	12.0

Schedule of Restructuring Obligations

The following table presents activity related to our restructuring obligations related to our 2022 restructuring plan:


($ in millions)	Severance and benefits		Asset-related charges		Total
Balance, December 31, 2021	$	—	$	—	$	—
Charges	10.1		15.3		25.4
Cash payments	—		—		—
Balance, December 31, 2022	$	10.1	$	15.3	$	25.4

The following table presents activity related to our restructuring obligations related to our 2020 restructuring plan:


($ in millions)	Severance and benefits		Other charges		Total
Balance, December 31, 2021	$	2.8	$	0.5	$	3.3
Charges	(1.4)		(0.2)		(1.6)
Cash payments	(0.7)		(0.3)		(1.0)
Balance, December 31, 2022	$	0.7	$	—	$	0.7

Income Taxes (Tables)

12 Months Ended

Dec. 31, 2022

Income Tax Disclosure [Abstract]

Schedule of Reconciliation of Beginning and Ending Liability for Unrecognized Tax Benefits

A reconciliation of the beginning and ending amount of the liability for unrecognized tax benefits is as follows:


($ in millions)	2022		2021		2020
Balance at January 1	$	24.9	$	10.4	$	5.0
Increase due to current year position	11.4		16.3		4.9
Increase (decrease) due to prior year position	0.6		(1.0)		0.6
Reduction for expiration of statute of limitations/audits	(0.4)		(0.8)		(0.1)
Balance at December 31	$	36.5	$	24.9	$	10.4

Schedule of Components of Income Before Income Taxes

The components of income before income taxes and equity in net income of affiliated companies are:


($ in millions)	2022		2021		2020
U.S. operations	$	394.4	$	420.0	$	227.0
International operations	285.5		328.9		174.3
Total income before income taxes and equity in net income of affiliated companies	$	679.9	$	748.9	$	401.3

Schedule of Components of Income Tax Expense

The related provision for income taxes consists of:


($ in millions)	2022		2021		2020
Current:
Federal	$	75.7	$	64.8	$	28.9
State	8.4		10.9		3.4
International	61.4		74.4		46.0
Current income tax provision	145.5		150.1		78.3
Deferred:
Federal and state	(20.3)		7.3		0.2
International	(10.5)		(50.2)		(6.0)
Deferred income tax provision	(30.8)		(42.9)		(5.8)
Income tax expense	$	114.7	$	107.2	$	72.5

Schedule of Deferred Tax Assets and Liabilities

The significant components of our deferred tax assets and liabilities at December 31 are:


($ in millions)	2022		2021
Deferred tax assets
Net operating loss carryforwards	$	10.3	$	14.0
Tax credit carryforwards	1.9		1.5

Pension and deferred compensation	31.4		31.6
Royalty acceleration	46.2		45.1
Other	25.5		12.2
Capitalized R&D expenses	8.1		—
Leases	20.6		—
Valuation allowance	(13.3)		(12.2)
Total deferred tax assets	130.7		92.2
Deferred tax liabilities:
Property, plant, and equipment	53.7		47.2
Tax on undistributed earnings of subsidiaries	1.5		1.8
Leases	19.7		—
Other	4.5		(0.4)
Total deferred tax liabilities	79.4		48.6
Net deferred tax asset (liability)	$	51.3	$	43.6

Schedule of Effective Income Tax Rate Reconciliation

A reconciliation of the U.S. federal corporate tax rate to our effective consolidated tax rate on income before income taxes and equity in net income of affiliated companies is as follows:


	2022		2021		2020
U.S. federal corporate tax rate	21.0	%	21.0	%	21.0	%
Tax on international operations other than U.S. tax rate	(1.5)		1.9		1.2


Adjustments to reserves for unrecognized tax benefits	2.9		0.1		1.4
U.S. tax on international earnings, net of foreign tax credits	(0.3)		0.3		0.4
Foreign-Derived Intangible Income Deductions (FDII)	(2.1)		(1.5)		(1.1)
State income taxes, net of federal tax effect	1.0		(0.1)		1.2
U.S. research and development credits	(0.6)		(0.4)		(0.7)
Excess tax benefits on share-based payments	(2.4)		(4.2)		(5.2)
Royalty acceleration	—		(2.5)		—
Pension settlement	(1.2)		—		—

Tax on undistributed earnings of subsidiaries	—		(0.6)		0.1


Other	0.1		0.3		(0.2)
Effective tax rate	16.9	%	14.3	%	18.1	%

Segment Information (Tables)

12 Months Ended

Dec. 31, 2022

Segment Reporting [Abstract]

Schedule of Sales by Significant Product Group

The following table presents net sales information about our reportable segments, reconciled to consolidated totals:


($ in millions)	2022		2021		2020
Net sales:
Proprietary Products	$	2,406.8	$	2,317.3	$	1,648.6
Contract-Manufactured Products	480.4		514.7		498.6
Intersegment sales elimination	(0.3)		(0.4)		(0.3)
Consolidated net sales	$	2,886.9	$	2,831.6	$	2,146.9

Schedule of Sales and Long-Lived Assets, by Geographical Areas

The following table presents net sales and long-lived assets, by the country in which the legal subsidiary is domiciled and assets are located:


	Net Sales						Long-Lived Assets
($ in millions)	2022		2021		2020		2022		2021
United States	$	1,286.5	$	1,198.0	$	975.6	$	611.5	$	504.1
Germany	398.7		474.3		282.1		139.0		124.1
Ireland	240.3		247.6		226.0		179.5		187.3
France	237.9		213.0		172.7		68.8		86.1
Other European countries	359.2		341.3		236.8		81.8		65.1
Other	364.3		357.4		253.7		182.1		160.1
	$	2,886.9	$	2,831.6	$	2,146.9	$	1,262.7	$	1,126.8

Schedule of Segment Reporting Information, by Segment


The following tables provide summarized financial information for our segments:
($ in millions)	2022		2021		2020
Operating profit (loss):
Proprietary Products	$	784.4	$	796.1	$	434.5
Contract-Manufactured Products	60.4		67.2		68.6
Total business segment operating profit	$	844.8	$	863.3	$	503.1
Corporate and Unallocated
Stock-based compensation expense	$	(23.7)	$	(37.5)	$	(34.0)
Corporate general costs (1)	(59.1)		(63.4)		(52.1)
Unallocated Items:
Restructuring and severance related charges (2)	(23.8)		(2.2)		(7.0)
Amortization of acquisition-related intangible assets (3)	(0.7)		(0.8)		(0.6)
Asset impairment (4)	—		(2.8)		—
Cost investment activity (5)	(3.5)		(4.3)		(2.5)



Total Corporate and Unallocated	$	(110.8)	$	(111.0)	$	(96.2)
Total consolidated operating profit	$	734.0	$	752.3	$	406.9
Interest expense (income) and other nonoperating expense (income), net (6)	54.1		3.4		5.6
Income before income taxes and equity in net income of affiliated companies	$	679.9	$	748.9	$	401.3

The following tables provide summarized financial information for our two reportable segments and corporate and unallocated:


($ in millions)
Assets	2022		2021
Proprietary Products	$	2,578.3	$	2,152.6
Contract-Manufactured Products	480.3		443.7
Corporate and Unallocated	558.2		717.5
Total consolidated	$	3,616.8	$	3,313.8


($ in millions)
Depreciation and Amortization	2022		2021		2020
Proprietary Products	$	96.9	$	93.8	$	84.6
Contract-Manufactured Products	19.0		21.1		20.4
Corporate and Unallocated	4.7		7.4		4.1
Total consolidated	$	120.6	$	122.3	$	109.1

($ in millions)
Capital Expenditures	2022		2021		2020
Proprietary Products	$	237.3	$	218.0	$	139.5
Contract-Manufactured Products	34.0		26.6		25.0
Corporate and Unallocated	13.3		8.8		9.9
Total consolidated	$	284.6	$	253.4	$	174.4

Basis of Presentation and Summary of Significant Accounting Policies (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Accounting Policies [Abstract]
Allowance for doubtful accounts	$ 0.2	$ 0.4
Raw materials	170.7	153.8
Work in process	79.0	63.5
Finished goods	165.1	161.1
Total inventories	414.8	378.4
Finance lease	$ 0.0	$ 0.0
Minimum
Finite-Lived Intangible Assets [Line Items]
Estimated useful life of finite-lived intangible assets (in years)	3 years
Maximum
Finite-Lived Intangible Assets [Line Items]
Estimated useful life of finite-lived intangible assets (in years)	25 years

Revenue - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
Revenue - Narrative (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021	Jun. 30, 2013
Disaggregation of Revenue [Line Items]
Contract with customer, liability	$ 68.2	$ 61.3	$ 20.0
Cash payments received in advance	88.3
Revenue recognized during the period	54.2
Revenue recognized that was included in the deferred income balance	28.0
SmartDose
Disaggregation of Revenue [Line Items]
Contract with customer, liability	3.0
Deferred income, current	0.9
Deferred income, noncurrent	$ 2.1

Revenue - Revenue Recognition (Details)	12 Months Ended
Revenue - Revenue Recognition (Details)	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Disaggregation of Revenue [Line Items]
Percentage of net sales	100.00%	100.00%	100.00%
Revenue Benchmark \| Customer Concentration Risk \| Biologics
Disaggregation of Revenue [Line Items]
Percentage of net sales	41.00%	41.00%	31.00%
Revenue Benchmark \| Customer Concentration Risk \| Generics
Disaggregation of Revenue [Line Items]
Percentage of net sales	18.00%	17.00%	20.00%
Revenue Benchmark \| Customer Concentration Risk \| Pharma
Disaggregation of Revenue [Line Items]
Percentage of net sales	24.00%	24.00%	26.00%
Revenue Benchmark \| Customer Concentration Risk \| Contract-Manufactured Products
Disaggregation of Revenue [Line Items]
Percentage of net sales	17.00%	18.00%	23.00%
Revenue Benchmark \| Product Concentration Risk \| High-Value Product Components
Disaggregation of Revenue [Line Items]
Percentage of net sales	55.00%	54.00%	46.00%
Revenue Benchmark \| Product Concentration Risk \| High-Value Product Delivery Devices
Disaggregation of Revenue [Line Items]
Percentage of net sales	5.00%	5.00%	5.00%
Revenue Benchmark \| Product Concentration Risk \| Standard Packaging
Disaggregation of Revenue [Line Items]
Percentage of net sales	23.00%	23.00%	26.00%
Revenue Benchmark \| Product Concentration Risk \| Contract-Manufactured Products
Disaggregation of Revenue [Line Items]
Percentage of net sales	17.00%	18.00%	23.00%
Revenue Benchmark \| Geographic Concentration Risk \| Americas
Disaggregation of Revenue [Line Items]
Percentage of net sales	48.00%	45.00%	48.00%
Revenue Benchmark \| Geographic Concentration Risk \| Europe, Middle East, Africa
Disaggregation of Revenue [Line Items]
Percentage of net sales	43.00%	45.00%	43.00%
Revenue Benchmark \| Geographic Concentration Risk \| Asia Pacific
Disaggregation of Revenue [Line Items]
Percentage of net sales	9.00%	10.00%	9.00%

Revenue - Contracts Assets and Liabilities (Details) $ in Millions	12 Months Ended
	Dec. 31, 2022 USD ($)
Contract With Customer, Asset [Roll Forward]
Contract assets, December 31, 2021	$ 14.6
Contract assets, December 31, 2022	16.3
Change in contract assets - increase (decrease)	1.7
Contract With Customer, Liability [Roll Forward]
Deferred income, December 31, 2021	(61.3)
Deferred income, December 31, 2022	(68.2)
Change in deferred income - (increase) decrease	$ (6.9)

Net Income Per Share - Schedule of Reconciliation of Shares (Details) - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Earnings Per Share [Abstract]
Net income	$ 585.9	$ 661.8	$ 346.2
Weighted average common shares outstanding (in shares)	74.4	74.4	73.9
Dilutive effect of equity awards, based on the treasury stock method (in shares)	1.4	1.9	1.9
Weighted average shares assuming dilution (in shares)	75.8	76.3	75.8

- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

+ References

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Reference 34: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 30
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8906-108599

Reference 35: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 32
-Subparagraph (c)
-URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8933-108599

+ Details

Net Income Per Share - Narratives (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Feb. 21, 2023
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive options excluded from computation of diluted net income per share (in shares)		200,000	0	0
Stock repurchase program, shares authorized (in shares)			650,000
Shares purchased under share repurchase program (in shares)	0	563,334
Shares purchased under share repurchase program		$ 202.8	$ 137.1	$ 115.5
Shares purchased under share repurchase program, average cost per share (in dollars per share)		$ 360.03
Subsequent Event
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Stock repurchase program, shares authorized (in shares)					1,000,000,000

Property, Plant and Equipment - Property, Plant and Equipment, Gross (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Property, Plant and Equipment [Line Items]
Property, plant and equipment	$ 2,386.6	$ 2,215.0
Land
Property, Plant and Equipment [Line Items]
Property, plant and equipment	29.0	29.3
Buildings and improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment	$ 663.6	644.8
Buildings and improvements \| Minimum
Property, Plant and Equipment [Line Items]
Expected useful lives (years)	15 years
Buildings and improvements \| Maximum
Property, Plant and Equipment [Line Items]
Expected useful lives (years)	35 years
Machinery and equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment	$ 1,039.7	976.1
Machinery and equipment \| Minimum
Property, Plant and Equipment [Line Items]
Expected useful lives (years)	5 years
Machinery and equipment \| Maximum
Property, Plant and Equipment [Line Items]
Expected useful lives (years)	12 years
Molds and dies
Property, Plant and Equipment [Line Items]
Property, plant and equipment	$ 154.5	139.5
Molds and dies \| Minimum
Property, Plant and Equipment [Line Items]
Expected useful lives (years)	4 years
Molds and dies \| Maximum
Property, Plant and Equipment [Line Items]
Expected useful lives (years)	7 years
Computer hardware and software
Property, Plant and Equipment [Line Items]
Property, plant and equipment	$ 193.9	182.6
Computer hardware and software \| Minimum
Property, Plant and Equipment [Line Items]
Expected useful lives (years)	3 years
Computer hardware and software \| Maximum
Property, Plant and Equipment [Line Items]
Expected useful lives (years)	10 years
Construction in progress
Property, Plant and Equipment [Line Items]
Property, plant and equipment	$ 305.9	$ 242.7

Property, Plant and Equipment - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Property, Plant and Equipment [Abstract]
Depreciation	$ 116.9	$ 116.9	$ 104.7
Capitalized interest	$ 3.7	$ 2.0	$ 1.4

Leases - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
Leases - Narrative (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Lease, operating lease, terminate term (in years)	1 year
Finance lease	$ 0.0	$ 0.0
Weighted average remaining lease term (in years)	9 years 3 months 21 days	10 years 8 months 12 days
Weighted average discount rate (as a percent)	3.25%	3.58%
Maximum
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease, term of contract (in months)	12 months

Leases - Lease Cost (Details) - USD ($) $ in Millions	12 Months Ended
Leases - Lease Cost (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Leases [Abstract]
Operating lease cost	$ 15.5	$ 12.7	$ 12.8
Short-term lease cost	1.3	1.3	0.8
Variable lease cost	6.8	4.8	3.8
Total lease cost	$ 23.6	$ 18.8	$ 17.4

Leases - Lease Cash Flow and Supplemental Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Leases [Abstract]
Operating cash flows from operating leases	$ 13.3	$ 12.1	$ 12.6
Right-of-use assets obtained in exchange for new operating lease liabilities	$ 47.6	$ 13.3	$ 6.1

Leases - Maturities of Operating Lease Liabilities (Details) $ in Millions	Dec. 31, 2022 USD ($)
Operating Leases
2023	$ 19.0
2024	18.1
2025	16.0
2026	13.4
2027	9.4
Thereafter	50.8
Operating lease liability payments due	126.7
Less: imputed lease interest	(17.7)
Total lease liabilities	$ 109.0

Affiliated Companies - Schedule of Investments (Details)	Dec. 31, 2022
The West Company Mexico, S.A. de C.V.
Schedule of Equity Method Investments [Line Items]
Ownership interest (as a percent)	49.00%
Aluplast S.A. de C.V.
Schedule of Equity Method Investments [Line Items]
Ownership interest (as a percent)	49.00%
Pharma Tap S.A. de C.V.
Schedule of Equity Method Investments [Line Items]
Ownership interest (as a percent)	49.00%
Pharma Rubber S.A. de C.V.
Schedule of Equity Method Investments [Line Items]
Ownership interest (as a percent)	49.00%
Daikyo
Schedule of Equity Method Investments [Line Items]
Ownership interest (as a percent)	49.00%

Affiliated Companies - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Schedule of Equity Method Investments [Line Items]
Unremitted income of affiliated companies	$ 133.6	$ 115.6	$ 98.2
Dividends received from affiliated companies	2.6	2.7	1.6
Purchases and royalty payments made to affiliates	167.6	155.0	143.3
Amount due and payable to affiliates	31.2	25.5
Sales to affiliates	14.2	12.0	9.7
Amount receivable from affiliates	2.2	2.3
Equity method investments	197.0	201.2
Aggregate carrying amount of investment in affiliated companies that are not accounted for under the equity method	7.9	6.5
Daikyo
Schedule of Equity Method Investments [Line Items]
Equity in unrealized gains (losses) in securities available-for-sale and derivative instruments	$ 1.6	$ 1.5	$ 0.6

Goodwill and Intangible Assets - Goodwill (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Goodwill [Roll Forward]
Goodwill, beginning balance	$ 109.9	$ 111.1
Goodwill recorded due to acquisition		1.7
Goodwill impairment charge		(0.1)
Foreign currency translation	(2.6)	(2.8)
Goodwill, ending balance	107.3	109.9
Proprietary Products
Goodwill [Roll Forward]
Goodwill, beginning balance	80.1	80.9
Goodwill recorded due to acquisition		1.7
Goodwill impairment charge		(0.1)
Foreign currency translation	(2.2)	(2.4)
Goodwill, ending balance	77.9	80.1
Contract-Manufactured Products
Goodwill [Roll Forward]
Goodwill, beginning balance	29.8	30.2
Goodwill recorded due to acquisition		0.0
Goodwill impairment charge		0.0
Foreign currency translation	(0.4)	(0.4)
Goodwill, ending balance	$ 29.4	$ 29.8

- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References + Details

Goodwill and Intangible Assets - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Goodwill and Intangible Assets Disclosure [Abstract]
Accumulated goodwill impairment losses	$ 0.1
Foreign currency translation gains (losses)	(0.9)	$ (1.3)
Amortization of intangible assets	3.7	$ 5.4	$ 4.4
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]
Estimated annual amortization expense, 2023	3.6
Estimated annual amortization expense, 2024	3.6
Estimated annual amortization expense, 2025	3.0
Estimated annual amortization expense, 2026	2.6
Estimated annual amortization expense, 2027	$ 2.4

Goodwill and Intangible Assets - Intangible Assets by Major Class (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Schedule of Intangible Assets by Major Class [Line Items]
Cost	$ 80.2	$ 81.1
Accumulated amortization	(61.8)	(58.1)
Net	18.4	23.0
Patents and licensing
Schedule of Intangible Assets by Major Class [Line Items]
Cost	24.5	25.1
Accumulated amortization	(20.6)	(19.4)
Net	3.9	5.7
Technology
Schedule of Intangible Assets by Major Class [Line Items]
Cost	3.3	3.3
Accumulated amortization	(2.2)	(2.0)
Net	1.1	1.3
Trademarks
Schedule of Intangible Assets by Major Class [Line Items]
Cost	1.9	2.0
Accumulated amortization	(1.8)	(1.9)
Net	0.1	0.1
Customer relationships
Schedule of Intangible Assets by Major Class [Line Items]
Cost	39.6	40.1
Accumulated amortization	(27.2)	(25.4)
Net	12.4	14.7
Customer contracts
Schedule of Intangible Assets by Major Class [Line Items]
Cost	10.9	10.6
Accumulated amortization	(10.0)	(9.4)
Net	$ 0.9	$ 1.2

Other Current Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Other Current Liabilities [Abstract]
Deferred income	$ 57.3	$ 48.7
Dividends payable	14.1	13.4	$ 12.6
Accrued commissions, rebates and royalties	32.1	38.7
Accrued retirement plans (excluding pension)	10.6	8.8
Accrued taxes other than income	13.7	13.0
Accrued professional services	5.4	3.7
Accrued interest	2.5	3.2
Restructuring and severance related charges	11.3	4.6
Short term derivative instruments	1.3	3.3
Other	33.4	26.0
Total other current liabilities	$ 181.7	$ 163.4

Debt - Schedule of Debt (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Debt Instrument [Line Items]
Long-term debt, gross	$ 209.2	$ 253.5
Less: unamortized debt issuance costs for Term Loan and Series notes	0.3	0.5
Total debt	208.9	253.0
Less: current portion of long-term debt	2.2	44.2
Long-term debt, net	$ 206.7	208.8
Term Loan, due December 31, 2024 (5.56%)
Debt Instrument [Line Items]
Debt instrument, stated interest rate (as a percent)	5.56%
Long-term debt, gross	$ 83.2	85.5
Less: current portion of long-term debt	2.2
Long-term debt, net	$ 81.0
Series A notes, due July 5, 2022 (3.67%)
Debt Instrument [Line Items]
Debt instrument, stated interest rate (as a percent)	3.67%
Long-term debt, gross	$ 0.0	42.0
Series B notes, due July 5, 2024 (3.82%)
Debt Instrument [Line Items]
Debt instrument, stated interest rate (as a percent)	3.82%
Long-term debt, gross	$ 53.0	53.0
Series C notes, due July 5, 2027 (4.02%)
Debt Instrument [Line Items]
Debt instrument, stated interest rate (as a percent)	4.02%
Long-term debt, gross	$ 73.0	$ 73.0

Debt - Narrative (Details) $ in Millions	1 Months Ended	12 Months Ended
Debt - Narrative (Details) $ in Millions	Mar. 31, 2022 USD ($) instance fiscal_quarter	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Feb. 28, 2022 USD ($)	Dec. 31, 2012 USD ($) tranche
Line of Credit Facility [Line Items]
Long-term debt, gross		$ 209.2	$ 253.5
Less: current portion of long-term debt		2.2	44.2
Long-term debt		206.7	208.8
Number of tranches \| tranche							3
Less: unamortized debt issuance costs for Term Loan and Series notes		0.3	0.5
Interest expense		11.6	10.2	$ 9.6
Aggregate annual maturities of long-term debt [Abstract]
2023		2.2
2024		134.0
2025		0.0
2026		0.0
2027		73.0
Thereafter		0.0
Revolving Credit Facility, Due 2024
Line of Credit Facility [Line Items]
Line of credit facility, current borrowing capacity	$ 500.0					$ 300.0
Amount available for issuance of letters of credit	50.0
Line of credit facility, additional borrowing capacity	$ 929.0
Preceding period (in months)	12 months
Ratio of debt to EBITDA	3.5
Number of instances not to exceed \| instance	3
Number of quarters following acquisition \| fiscal_quarter	4
Ratio of debt to EBITDA after acquisition	4.0
Debt issuance costs		1.3	0.1
Line of credit, noncurrent		0.0
Line of credit facility, unused commitment level		497.6
Revolving Credit Facility, Due 2024 \| Applicable Margin
Line of Credit Facility [Line Items]
Basis spread on variable interest rate (as a percent)	0.10%
Revolving Credit Facility, Due 2024 \| Fed Funds Effective Rate Overnight Index Swap Rate
Line of Credit Facility [Line Items]
Basis spread on variable interest rate (as a percent)	0.50%
Revolving Credit Facility, Due 2024 \| Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate
Line of Credit Facility [Line Items]
Basis spread on variable interest rate (as a percent)	1.00%
Revolving Credit Facility, Due 2024 \| Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate \| Minimum
Line of Credit Facility [Line Items]
Applicable margin ratio	0.00875
Revolving Credit Facility, Due 2024 \| Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate \| Maximum
Line of Credit Facility [Line Items]
Applicable margin ratio	0.01375
Revolving Credit Facility, Due 2024 \| Base Rate \| Minimum
Line of Credit Facility [Line Items]
Applicable margin ratio	0
Revolving Credit Facility, Due 2024 \| Base Rate \| Maximum
Line of Credit Facility [Line Items]
Applicable margin ratio	0.00375
Revolving Credit Facility, Due 2024 \| Domestic Line of Credit
Line of Credit Facility [Line Items]
Credit facility is available for swing-line loans	$ 50.0
Revolving Credit Facility, Due 2024 \| Foreign Line of Credit
Line of Credit Facility [Line Items]
Credit facility is available for swing-line loans	$ 40.0
Revolving Credit Facility, Due 2024 \| Letter of Credit
Line of Credit Facility [Line Items]
Letters of credit supporting the reimbursement of workers' compensation and other claims		2.4
Term Loan, due December 31, 2024 (5.56%)
Line of Credit Facility [Line Items]
Debt issuance costs		0.1	0.1
Debt instrument, face amount					$ 90.0
Long-term debt, gross		83.2	85.5
Less: current portion of long-term debt		2.2
Long-term debt		$ 81.0
Debt instrument, stated interest rate (as a percent)		5.56%
Term Loan, due December 31, 2024 (5.56%) \| London Interbank Offered Rate (LIBOR)
Line of Credit Facility [Line Items]
Basis spread on variable interest rate (as a percent)					87.50%
Senior Notes
Line of Credit Facility [Line Items]
Debt instrument, face amount							$ 168.0
Weighted average of the coupon interest rate (as a percent)							3.94%
Less: unamortized debt issuance costs for Term Loan and Series notes		$ 0.2	$ 0.3
Senior Notes \| Series A notes, due July 5, 2022 (3.67%)
Line of Credit Facility [Line Items]
Debt instrument, face amount							$ 42.0
Debt instrument, stated interest rate (as a percent)							3.67%
Senior Notes \| Series B notes, due July 5, 2024 (3.82%)
Line of Credit Facility [Line Items]
Debt instrument, face amount							$ 53.0
Debt instrument, stated interest rate (as a percent)							3.82%
Senior Notes \| Series C notes, due July 5, 2027 (4.02%)
Line of Credit Facility [Line Items]
Debt instrument, face amount							$ 73.0
Debt instrument, stated interest rate (as a percent)							4.02%

Derivative Financial Instruments - Narrative (Details) $ in Millions, $ in Millions, ¥ in Billions	1 Months Ended	12 Months Ended				62 Months Ended
	Dec. 31, 2019 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($) bbl $ / bbl	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2022 USD ($) bbl $ / bbl	Dec. 31, 2022 SGD ($) bbl $ / bbl	Dec. 31, 2022 JPY (¥) bbl $ / bbl
Fair Value Hedges
Derivative [Line Items]
Gain recognized in earnings			$ (4.0)	$ (2.6)	$ 6.3
Fair Value Hedges \| Forecast
Derivative [Line Items]
Gain recognized in earnings		$ (3.2)
Forward Contracts \| SGD
Derivative [Line Items]
Derivative, notional amount							$ 601.5
Forward Contracts \| USD
Derivative [Line Items]
Derivative, notional amount				$ 13.4
Foreign Exchange Forward
Derivative [Line Items]
Derivative contract term			18 months
Cross Currency Interest Rate Contract \| USD \| Net Investment Hedges
Derivative [Line Items]
Derivative, notional amount	$ 90.0		$ 83.2			$ 83.2		¥ 9.1
Derivative contract term	5 years
Commodity Call Options
Derivative [Line Items]
Derivative, nonmonetary notional amount, volume \| bbl						867,500
Derivative, nonmonetary notional amount outstanding \| bbl			258,597			258,597	258,597	258,597
Derivative, average price risk option strike price \| $ / bbl			108.28			108.28	108.28	108.28

Derivative Financial Instruments - Foreign Exchange Rate Risk (Details) - Dec. 31, 2022 - Foreign Exchange Forward - Designated as Hedging Instrument € in Millions, ¥ in Millions, $ in Millions, $ in Millions	USD ($)	SGD ($)	EUR (€)	JPY (¥)
USD \| Purchase
Derivative [Line Items]
Derivative, notional amount	$ 1.7
USD \| Sell
Derivative [Line Items]
Derivative, notional amount			€ 1.2
Yen \| Purchase
Derivative [Line Items]
Derivative, notional amount \| ¥				¥ 6,123.6
Yen \| Sell
Derivative [Line Items]
Derivative, notional amount	31.0		15.0
SGD \| Purchase
Derivative [Line Items]
Derivative, notional amount		$ 62.8
SGD \| Sell
Derivative [Line Items]
Derivative, notional amount	$ 21.1		€ 23.5

Derivative Financial Instruments - Effects of Derivative Instruments on OCI and Earnings (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Derivative Instruments, Gain (Loss) [Line Items]
Derivative (gain) loss recognized in income, fair value hedges	$ 5.2	$ 3.0	$ 6.1
Derivative instruments not designated as hedging instruments, gain (loss), net	1.5	1.7	(0.2)
Not Designated as Hedging Instrument
Derivative Instruments, Gain (Loss) [Line Items]
Derivative instruments not designated as hedging instruments, gain (loss), net	1.5	1.7	(0.2)
Fair Value Hedges
Derivative Instruments, Gain (Loss) [Line Items]
Fair value and net investment hedges, amount of gain (loss) recognized in OCI	1.3	0.6	4.0
Fair value and net investment hedges, amount of (gain) loss reclassified from accumulated OCI into income	(1.6)	(0.8)	(4.3)
Cash Flow Hedges
Derivative Instruments, Gain (Loss) [Line Items]
Cash flow hedges, amount of gain (loss) recognized in OCI	(0.8)	(2.0)	(1.2)
Cash flow hedges, amount of (gain) loss reclassified from accumulated OCI into income	2.5	2.9	0.4
Cash Flow Hedges \| Forward treasury locks
Derivative Instruments, Gain (Loss) [Line Items]
Cash flow hedges, amount of (gain) loss reclassified from accumulated OCI into income	0.2	0.3	0.3
Net Investment Hedges
Derivative Instruments, Gain (Loss) [Line Items]
Fair value and net investment hedges, amount of gain (loss) recognized in OCI	9.1	7.7	(3.2)
Fair value and net investment hedges, amount of (gain) loss reclassified from accumulated OCI into income	0.0	0.0	0.0
Other expense (income)
Derivative Instruments, Gain (Loss) [Line Items]
Derivative (gain) loss on hedged item, fair value hedges	(28.3)	(22.1)	28.5
Change in Unrealized Gain (Loss) on Fair Value Hedging Instruments	28.3	22.1	(28.5)
Derivative (gain) loss on amount excluded from effectiveness testing, fair value hedges	5.2	3.0	6.1
Other expense (income) \| Fair Value Hedges \| Foreign currency hedge contracts
Derivative Instruments, Gain (Loss) [Line Items]
Fair value and net investment hedges, amount of gain (loss) recognized in OCI	1.3	0.6	4.0
Fair value and net investment hedges, amount of (gain) loss reclassified from accumulated OCI into income	(1.6)	(0.8)	(4.3)
Other expense (income) \| Net Investment Hedges \| Cross-currency swap
Derivative Instruments, Gain (Loss) [Line Items]
Fair value and net investment hedges, amount of gain (loss) recognized in OCI	9.1	7.7	(3.2)
Fair value and net investment hedges, amount of (gain) loss reclassified from accumulated OCI into income	0.0	0.0	0.0
Net sales
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on derivative instruments, net, pretax	(1.2)	0.9	0.2
Net sales \| Cash Flow Hedges \| Foreign currency hedge contracts
Derivative Instruments, Gain (Loss) [Line Items]
Cash flow hedges, amount of gain (loss) recognized in OCI	0.3	(0.2)	(0.6)
Cash flow hedges, amount of (gain) loss reclassified from accumulated OCI into income	(1.2)	0.9	0.2
Cost of goods and services sold
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on derivative instruments, net, pretax	3.5	1.7	(0.1)
Cost of goods and services sold \| Commodity call options \| Not Designated as Hedging Instrument
Derivative Instruments, Gain (Loss) [Line Items]
Derivative instruments not designated as hedging instruments, gain (loss), net	1.5	1.7	(0.2)
Cost of goods and services sold \| Cash Flow Hedges \| Foreign currency hedge contracts
Derivative Instruments, Gain (Loss) [Line Items]
Cash flow hedges, amount of gain (loss) recognized in OCI	(1.1)	(1.8)	(0.6)
Cash flow hedges, amount of (gain) loss reclassified from accumulated OCI into income	3.5	1.7	(0.1)
Interest expense
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on derivative instruments, net, pretax	0.2	0.3	0.3
Interest expense \| Cash Flow Hedges \| Forward treasury locks
Derivative Instruments, Gain (Loss) [Line Items]
Cash flow hedges, amount of gain (loss) recognized in OCI	$ 0.0	$ 0.0	$ 0.0

Fair Value Measurements - Fair Value of Assets and Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Assets:
Deferred compensation assets	$ 12.5	$ 15.5
Foreign currency contracts	4.5	14.8
Total assets at fair value	32.1	36.4
Liabilities:
Contingent consideration	4.7	3.7
Deferred compensation liabilities	12.7	16.1
Total liabilities at fair value	18.8	23.2
Cross-currency swap
Assets:
Commodity call options	13.9	4.4
Commodity call options
Assets:
Commodity call options	1.2	1.7
Foreign currency hedge contracts
Liabilities:
Foreign currency contracts	1.4	3.4
Level 1
Assets:
Deferred compensation assets	12.5	15.5
Foreign currency contracts	0.0	0.0
Total assets at fair value	12.5	15.5
Liabilities:
Contingent consideration	0.0	0.0
Deferred compensation liabilities	12.7	16.1
Total liabilities at fair value	12.7	16.1
Level 1 \| Cross-currency swap
Assets:
Commodity call options	0.0	0.0
Level 1 \| Commodity call options
Assets:
Commodity call options	0.0	0.0
Level 1 \| Foreign currency hedge contracts
Liabilities:
Foreign currency contracts	0.0	0.0
Level 2
Assets:
Deferred compensation assets	0.0	0.0
Foreign currency contracts	4.5	14.8
Total assets at fair value	19.6	20.9
Liabilities:
Contingent consideration	0.0	0.0
Deferred compensation liabilities	0.0	0.0
Total liabilities at fair value	1.4	3.4
Level 2 \| Cross-currency swap
Assets:
Commodity call options	13.9	4.4
Level 2 \| Commodity call options
Assets:
Commodity call options	1.2	1.7
Level 2 \| Foreign currency hedge contracts
Liabilities:
Foreign currency contracts	1.4	3.4
Level 3
Assets:
Deferred compensation assets	0.0	0.0
Foreign currency contracts	0.0	0.0
Total assets at fair value	0.0	0.0
Liabilities:
Contingent consideration	4.7	3.7
Deferred compensation liabilities	0.0	0.0
Total liabilities at fair value	4.7	3.7
Level 3 \| Cross-currency swap
Assets:
Commodity call options	0.0	0.0
Level 3 \| Commodity call options
Assets:
Commodity call options	0.0	0.0
Level 3 \| Foreign currency hedge contracts
Liabilities:
Foreign currency contracts	$ 0.0	$ 0.0

Fair Value Measurements - Other Financial Instruments (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Fair Value Disclosures [Abstract]
Long-term debt, fair value	$ 201.8	$ 217.9
Long-term debt	$ 206.7	$ 208.8

Accumulated Other Comprehensive Loss - Components of Accumulated Other Comprehensive Income (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Changes in the Components of Accumulated Other Comprehensive Loss, Net of Tax [Roll Forward]
Beginning balance	$ 2,335.4	$ 1,854.5	$ 1,573.2
Other comprehensive (loss) income before reclassifications	(56.0)	(52.4)	40.6
Amounts reclassified out	32.6	3.4	(1.6)
Other comprehensive (loss) income, net of tax	(23.4)	(49.0)	39.0
Ending balance	2,684.9	2,335.4	1,854.5
Derivatives
Changes in the Components of Accumulated Other Comprehensive Loss, Net of Tax [Roll Forward]
Beginning balance	(1.2)	(1.9)	(0.8)
Other comprehensive (loss) income before reclassifications	0.5	(1.4)	2.8
Amounts reclassified out	0.9	2.1	(3.9)
Other comprehensive (loss) income, net of tax	1.4	0.7	(1.1)
Ending balance	0.2	(1.2)	(1.9)
Equity affiliate investment AOCI
Changes in the Components of Accumulated Other Comprehensive Loss, Net of Tax [Roll Forward]
Beginning balance	1.5	0.6	0.4
Other comprehensive (loss) income before reclassifications	0.1	0.9	0.2
Amounts reclassified out	0.0	0.0	0.0
Other comprehensive (loss) income, net of tax	0.1	0.9	0.2
Ending balance	1.6	1.5	0.6
Defined benefit pension and other postretirement plans
Changes in the Components of Accumulated Other Comprehensive Loss, Net of Tax [Roll Forward]
Beginning balance	(31.8)	(40.5)	(40.3)
Other comprehensive (loss) income before reclassifications	(9.3)	7.4	(2.5)
Amounts reclassified out	31.7	1.3	2.3
Other comprehensive (loss) income, net of tax	22.4	8.7	(0.2)
Ending balance	(9.4)	(31.8)	(40.5)
Foreign currency translation
Changes in the Components of Accumulated Other Comprehensive Loss, Net of Tax [Roll Forward]
Beginning balance	(128.1)	(68.8)	(108.9)
Other comprehensive (loss) income before reclassifications	(47.3)	(59.3)	40.1
Amounts reclassified out	0.0	0.0	0.0
Other comprehensive (loss) income, net of tax	(47.3)	(59.3)	40.1
Ending balance	(175.4)	(128.1)	(68.8)
Total
Changes in the Components of Accumulated Other Comprehensive Loss, Net of Tax [Roll Forward]
Beginning balance	(159.6)	(110.6)	(149.6)
Ending balance	$ (183.0)	$ (159.6)	$ (110.6)

Accumulated Other Comprehensive Loss - Other Comprehensive Loss Reclassifications (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Reclassification out of Accumulated Other Comprehensive Loss [Line Items]
Proprietary Products	$ 2,886.9	$ 2,831.6	$ 2,146.9
Cost of goods and services sold	(1,750.7)	(1,655.8)	(1,379.1)
Interest expense	(7.9)	(8.2)	(8.2)
Settlements	52.2	1.8	3.7
Income before income taxes and equity in net income of affiliated companies	679.9	748.9	401.3
Income tax expense	(114.7)	(107.2)	(72.5)
Net income	585.9	661.8	346.2
Reclassification out of Accumulated Other Comprehensive Loss
Reclassification out of Accumulated Other Comprehensive Loss [Line Items]
Net income	(32.6)	(3.4)	1.6
Reclassification out of Accumulated Other Comprehensive Loss \| Gains (Losses) on Derivatives
Reclassification out of Accumulated Other Comprehensive Loss [Line Items]
Income before income taxes and equity in net income of affiliated companies	(0.6)	(2.7)	5.4
Income tax expense	(0.3)	0.6	(1.5)
Net income	(0.9)	(2.1)	3.9
Reclassification out of Accumulated Other Comprehensive Loss \| Gains (Losses) on Derivatives \| Foreign currency contracts
Reclassification out of Accumulated Other Comprehensive Loss [Line Items]
Proprietary Products	1.4	(1.1)	(0.2)
Cost of goods and services sold	(4.1)	(2.4)	0.1
Other expense (income)	2.4	1.2	5.9
Reclassification out of Accumulated Other Comprehensive Loss \| Gains (Losses) on Derivatives \| Forward treasury locks
Reclassification out of Accumulated Other Comprehensive Loss [Line Items]
Interest expense	(0.3)	(0.4)	(0.4)
Reclassification out of Accumulated Other Comprehensive Loss \| Amortization of Defined Benefit Pension and Other Postretirement Plans
Reclassification out of Accumulated Other Comprehensive Loss [Line Items]
Prior service credit	0.0	0.3	0.6
Actuarial gains (losses)	0.6	(0.2)	(0.1)
Settlements	(52.2)	(1.8)	(3.7)
Other	(0.4)	0.0	0.0
Income before income taxes and equity in net income of affiliated companies	(52.0)	(1.7)	(3.2)
Income tax expense	20.3	0.4	0.9
Net income	$ (31.7)	$ (1.3)	$ (2.3)

Stock-Based Compensation - Narrative (Details) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2022 USD ($) plan $ / shares shares	Dec. 31, 2021 $ / shares shares	Dec. 31, 2020 $ / shares shares
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Shares available for issuance under the 2016 Plan (in shares)	1,681,526
Unrecognized compensation expense for all nonvested awards \| $	$ 28,900
Weighted average period for recognition (in years)	1 year 7 months 6 days
Deferred compensation plans and restricted share awards
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Deferred compensation conversion unit (in shares)	1
Number of deferred compensation plans \| plan	2
Number of deferred stock units (in shares)	383,792
Number of deferred stock units payable in cash (in shares)	9,366
Deferred compensation plans and restricted share awards \| Non-Employee Directors
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Granted at target level (in shares)	4,827	6,034
Granted at target level (in dollars per share) \| $ / shares	$ 300.78	$ 338.38
Share-based Payment Arrangement, Option
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of shares reduced for each award granted (in shares)	1
Awards, expiration period (in years)	10 years
Award Types Other than Stock Options and Stock Appreciation Rights
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of shares reduced for each award granted (in shares)	2.5
Stock Appreciation Rights (SARs)
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Awards, expiration period (in years)	10 years
Vesting period (in years)	4 years
Stock-settled PSU awards
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Granted at target level (in shares)	32,109
Granted at target level (in dollars per share) \| $ / shares	$ 362.40	$ 333.58	$ 177.31
Employee stock purchase plan
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Shares available for issuance under the 2016 Plan (in shares)	3,738,000
Percentage of current market price for sales to eligible employees (as a percent)	85.00%
Limitation on payroll deductions of employee's base salary (as a percent)	25.00%
Limitation on payroll deductions of employee's base salary, amount \| $	$ 25
Maximum number of shares per employee (in shares)	2,000
Maximum number of shares per employee, per year (in shares)	8,000
Purchases of shares (in shares)	27,894	27,016	36,494
Restricted Stock
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Granted at target level (in shares)	9,648	6,002	8,721
Granted at target level (in dollars per share) \| $ / shares	$ 310.52	$ 312.41	$ 200.35

Stock-Based Compensation - Allocation of Share-based Compensation Costs (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stock compensation expense	$ 23.7	$ 37.5	$ 34.0
Stock option and appreciation rights
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stock compensation expense	5.6	12.5	10.2
Performance share units, stock-settled
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stock compensation expense	15.6	17.6	16.6
Performance share units, cash-settled
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stock compensation expense	(0.1)	1.0	0.4
Performance share units, dividend equivalents
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stock compensation expense	0.1	0.2	0.6
Employee stock purchase plan
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stock compensation expense	1.3	1.4	1.1
Deferred compensation plans and restricted share awards
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stock compensation expense	$ 1.2	$ 4.8	$ 5.1

Stock-Based Compensation - Stock Options Activity (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Weighted average remaining contractual life of options outstanding (in years)	4 years 9 months 18 days
Weighted average remaining contractual life of options exercisable (in years)	4 years
Aggregate intrinsic value of total options outstanding	$ 241.4
Aggregate intrinsic value of total options vested	$ 225.6
Weighted average grant date fair value of options granted (in dollars per share)	$ 96.43	$ 64.51	$ 40.28
Intrinsic value of options exercised	$ 60.1	$ 147.3	$ 88.8
Grant date fair value of options vested	$ 8.8	$ 8.3	$ 8.4
Stock Options Activity [Roll Forward]
Options outstanding, beginning (in shares)	2.0
Granted (in shares)	0.1
Exercised (in shares)	(0.2)
Forfeited (in shares)	0.0
Options outstanding, ending (in shares)	1.9	2.0
Options vested and expected to vest (in shares)	1.9
Options vested and exercisable (in shares)	1.5
Stock Options, Weighted Average Exercise Price [Roll Forward]
Options outstanding, beginning (in dollars per share)	$ 101.73
Granted (in dollars per share)	364.47
Exercised (in dollars per share)	83.77
Forfeited (in dollars per share)	224.26
Options outstanding, ending (in dollars per share)	118.72	$ 101.73
Options vested and expected to vest (in dollars per share)	116.88
Options vested and exercisable (in dollars per share)	$ 84.11
Share-based Payment Arrangement, Option
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Awards, expiration period (in years)	10 years
Risk-free interest rate (as a percent)	1.80%	0.80%	1.30%
Stock volatility (as a percent)	25.10%	23.90%	22.40%
Dividend yield (as a percent)	0.20%	0.30%	0.40%
Expected life (in years)	5 years 7 months 6 days	5 years 7 months 6 days	5 years 8 months 12 days

Stock-Based Compensation - Stock Appreciation Rights Award Activity (Details) - Stock Appreciation Rights (SARs)	12 Months Ended
	Dec. 31, 2022 $ / shares shares
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Awards, expiration period (in years)	10 years
SARs Activity [Roll Forward]
Outstanding, beginning (in shares) \| shares	21,054
Granted (in shares) \| shares	520
Exercised (in shares) \| shares	(1,169)
Forfeited (in shares) \| shares	(3)
Outstanding, ending (in shares) \| shares	20,402
Vested and expected to vest (in shares) \| shares	20,402
Vested and exercisable (in shares) \| shares	17,450
SARs, Weighted Average Exercise Price [Roll Forward]
Outstanding, beginning (in dollars per share) \| $ / shares	$ 88.18
Granted (in dollars per share) \| $ / shares	369.13
Exercised (in dollars per share) \| $ / shares	54.64
Forfeited (in dollars per share) \| $ / shares	21.22
Outstanding, ending (in dollars per share) \| $ / shares	97.28
Vested and expected to vest (in dollars per share) \| $ / shares	97.28
Vested and exercisable (in dollars per share) \| $ / shares	$ 74.86

Stock-Based Compensation - Nonvested Performance-based Award Activity (Details) - $ / shares	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Non-Employee Directors \| Deferred compensation plans and restricted share awards
Non-vested PSU Awards [Roll Forward]
Granted at target level (in shares)	4,827	6,034
Non-vested PSU Awards, Weighted Average Fair Value [Roll Forward]
Granted at target level (in dollars per share)	$ 300.78	$ 338.38
Stock-settled PSU awards
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of shares to be issued upon conversion (in shares)	94,480
Average remaining term of shares issued at conversion	1 year
Non-vested PSU Awards [Roll Forward]
Outstanding, beginning (in shares)	164,474
Granted at target level (in shares)	32,109
Adjustments above/(below) target (in shares)	68,426
Vested and converted (in shares)	(144,490)
Forfeited (in shares)	(7,966)
Outstanding, ending (in shares)	112,553	164,474
Non-vested PSU Awards, Weighted Average Fair Value [Roll Forward]
Outstanding, beginning (in dollars per share)	$ 179.88
Granted at target level (in dollars per share)	362.40	$ 333.58	$ 177.31
Adjustments above/(below) target (in dollars per share)	106.57
Vested and converted (in dollars per share)	369.13
Forfeited (in dollars per share)	240.19
Outstanding, ending (in dollars per share)	$ 278.38	$ 179.88
Stock-settled PSU awards \| Minimum
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Actual payout range	0.00%
Stock-settled PSU awards \| Maximum
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Actual payout range	200.00%
Performance share units, cash-settled
Non-vested PSU Awards [Roll Forward]
Outstanding, beginning (in shares)	1,318
Granted at target level (in shares)	136
Adjustments above/(below) target (in shares)	507
Vested and converted (in shares)	(1,071)
Forfeited (in shares)	0
Outstanding, ending (in shares)	890	1,318
Non-vested PSU Awards, Weighted Average Fair Value [Roll Forward]
Outstanding, beginning (in dollars per share)	$ 169.53
Granted at target level (in dollars per share)	369.13
Adjustments above/(below) target (in dollars per share)	104.44
Vested and converted (in dollars per share)	369.13
Forfeited (in dollars per share)	0
Outstanding, ending (in dollars per share)	$ 242.29	$ 169.53
Restricted Stock
Non-vested PSU Awards [Roll Forward]
Granted at target level (in shares)	9,648	6,002	8,721
Non-vested PSU Awards, Weighted Average Fair Value [Roll Forward]
Granted at target level (in dollars per share)	$ 310.52	$ 312.41	$ 200.35

Benefit Plans - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
Benefit Plans - Narrative (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Defined Benefit Plan Disclosure [Line Items]
401 (k) plan contributions	$ 22.8	$ 19.5	$ 16.8
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Excluding Service Cost, Statement of Income or Comprehensive Income [Extensible Enumeration]	Other Nonoperating Income (Expense)	Other Nonoperating Income (Expense)	Other Nonoperating Income (Expense)
Employer contribution	$ 0.0	$ 0.0
Settlements	52.2	1.8	$ 3.7
Fair value of plan assets	29.4	249.2
Accumulated benefit obligation	52.4	265.2
Expected contribution to the plan	$ 0.6
Assumed healthcare cost trend rate, benefit obligation	6.75%
Ultimate healthcare cost trend rate, benefit obligation	5.00%
Assumed healthcare cost trend rate, net periodic benefit cost	6.25%
Ultimate healthcare cost trend rate, net periodic benefit cost	5.00%
Pension benefits
Defined Benefit Plan Disclosure [Line Items]
Settlements	$ (52.2)	(1.8)	(3.7)
Fair value of plan assets	$ 29.4	$ 249.2	$ 258.1
Discount rate (as a percent)	4.35%	2.48%
Rate of compensation increase	3.09%	2.79%
Expected long-term rate of return on assets (as a percent)	4.14%	4.93%	5.10%
Other retirement benefits
Defined Benefit Plan Disclosure [Line Items]
Settlements	$ 0.0	$ 0.0	$ 0.0
Fair value of plan assets	0.0	$ 0.0	$ 0.0
Expected contribution to the plan	$ 0.6
Discount rate (as a percent)	5.55%	2.75%
Rate of compensation increase	0.00%	0.00%
Expected long-term rate of return on assets (as a percent)	0.00%	0.00%	0.00%
United States
Defined Benefit Plan Disclosure [Line Items]
Employer contribution	$ 7.1
Discount rate (as a percent)	5.55%	2.95%
Expected long-term rate of return on assets (as a percent)	3.70%	5.10%	5.10%
International plans
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	$ 29.4	$ 49.3
Accumulated benefit obligation	$ 46.0	$ 73.0
Discount rate (as a percent)	4.20%	1.32%
Rate of compensation increase	3.09%	2.79%

Benefit Plans - Components of Net Periodic Benefit Cost (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Net periodic benefit cost:
Settlement loss	$ (52.2)	$ (1.8)	$ (3.7)
Pension benefits
Net periodic benefit cost:
Service cost	1.5	1.6	1.5
Interest cost	4.2	6.2	7.1
Expected return on plan assets	(6.1)	(11.9)	(11.7)
Amortization of prior service credit	0.0	0.1	0.1
Amortization of actuarial loss (gain)	1.3	1.8	2.0
Settlement loss	52.2	1.8	3.7
Other	1.0	0.0	0.0
Net periodic benefit cost	54.1	(0.4)	2.7
Other changes in plan assets and benefit obligations recognized in OCI, pre-tax:
Net loss (gain) arising during period	16.0	(6.3)	1.8
Prior service credit arising during period	0.0	(2.0)	0.0
Amortization of prior service credit	0.0	(0.1)	(0.1)
Amortization of actuarial (loss) gain	(1.3)	(1.8)	(2.0)
Settlement loss	(52.2)	(1.8)	(3.7)
Foreign currency translation	(2.3)	(0.9)	1.8
Other	0.0	0.0	0.0
Total recognized in OCI	(39.8)	(12.9)	(2.2)
Total recognized in net periodic benefit cost and OCI	14.3	(13.3)	0.5
Pension benefits \| United States
Net periodic benefit cost:
Net periodic benefit cost	51.7	(2.3)	1.2
Pension benefits \| International plans
Net periodic benefit cost:
Net periodic benefit cost	2.4	1.9	1.5
Other retirement benefits
Net periodic benefit cost:
Service cost	0.0	0.0	0.0
Interest cost	0.2	0.2	0.2
Expected return on plan assets	0.0	0.0	0.0
Amortization of prior service credit	0.0	(0.4)	(0.7)
Amortization of actuarial loss (gain)	(1.9)	(1.6)	(1.9)
Settlement loss	0.0	0.0	0.0
Other	0.4	0.0	0.0
Net periodic benefit cost	(1.3)	(1.8)	(2.4)
Other changes in plan assets and benefit obligations recognized in OCI, pre-tax:
Net loss (gain) arising during period	(2.0)	(0.9)	(0.4)
Prior service credit arising during period	0.0	0.0	0.0
Amortization of prior service credit	0.0	0.4	0.7
Amortization of actuarial (loss) gain	1.9	1.6	1.9
Settlement loss	0.0	0.0	0.0
Foreign currency translation	0.0	0.0	0.0
Other	(0.4)	0.0	0.0
Total recognized in OCI	(0.5)	1.1	2.2
Total recognized in net periodic benefit cost and OCI	(1.8)	(0.7)	(0.2)
Other retirement benefits \| United States
Net periodic benefit cost:
Net periodic benefit cost	(1.3)	(1.8)	(2.4)
Other retirement benefits \| International plans
Net periodic benefit cost:
Net periodic benefit cost	$ 0.0	$ 0.0	$ 0.0

Benefit Plans - Changes in Projected Benefit Obligation, Fair Value of Plan Assets and Funded Status (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Change in plan assets:
Balance	$ 249.2
Balance	29.4	$ 249.2
Pension benefits
Change in benefit obligation:
Balance	(269.8)	(298.9)
Service cost	(1.5)	(1.6)	$ (1.5)
Interest cost	(4.2)	(6.2)	(7.1)
Participants’ contributions	(0.4)	(0.6)
Actuarial gain (loss)	33.0	12.1
Amendments/transfers in	0.0	2.0
Benefits paid	6.9	7.1
Settlement loss	174.4	13.1
Foreign currency translation	6.1	3.2
Balance	(55.5)	(269.8)	(298.9)
Change in plan assets:
Balance	249.2	258.1
Actual return on plan assets	(42.4)	6.1
Employer contribution	8.4	3.6
Participants’ contributions	0.4	0.6
Benefits paid	(7.2)	(5.2)
Settlement loss	(174.4)	(13.1)
Foreign currency translation	(4.6)	(0.9)
Balance	29.4	249.2	258.1
Funded status at end of year	(26.1)	(20.6)
Other retirement benefits
Change in benefit obligation:
Balance	(5.6)	(6.1)
Service cost	0.0	0.0	0.0
Interest cost	(0.2)	(0.2)	(0.2)
Participants’ contributions	(0.4)	(0.5)
Actuarial gain (loss)	2.0	0.9
Amendments/transfers in	0.0	0.0
Benefits paid	0.3	0.3
Settlement loss	0.0	0.0
Foreign currency translation	0.0	0.0
Balance	(3.9)	(5.6)	(6.1)
Change in plan assets:
Balance	0.0	0.0
Actual return on plan assets	0.0	0.0
Employer contribution	(0.1)	(0.2)
Participants’ contributions	0.4	0.5
Benefits paid	(0.3)	(0.3)
Settlement loss	0.0	0.0
Foreign currency translation	0.0	0.0
Balance	0.0	0.0	$ 0.0
Funded status at end of year	$ (3.9)	$ (5.6)

Benefit Plans - Amounts Recognized in Balance Sheet (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items]
Current liabilities	$ (2.1)	$ (2.4)
Noncurrent liabilities	(28.2)	(40.5)
Pension benefits
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items]
Noncurrent assets	0.3	16.7
Current liabilities	(1.5)	(1.7)
Noncurrent liabilities	(24.9)	(35.6)
Total liabilities	(26.1)	(20.6)
Other retirement benefits
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items]
Noncurrent assets	0.0	0.0
Current liabilities	(0.6)	(0.7)
Noncurrent liabilities	(3.3)	(4.9)
Total liabilities	$ (3.9)	$ (5.6)

Benefit Plans - Amounts Recognized in Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Pension benefits
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items]
Net actuarial loss (gain)	$ 16.7	$ 56.5
Prior service cost (credit)	(1.1)	(1.3)
Total	15.6	55.2
Other retirement benefits
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items]
Net actuarial loss (gain)	(5.2)	(4.7)
Prior service cost (credit)	0.0	0.0
Total	$ (5.2)	$ (4.7)

Benefit Plans - Expected Benefit Payments (Details) $ in Millions	Dec. 31, 2022 USD ($)
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items]
2023	$ 3.7
2024	3.9
2025	4.1
2026	4.5
2027	4.7
2028 to 2032	22.0
Total benefit payments expected	42.9
United States
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items]
2023	1.5
2024	1.4
2025	1.3
2026	1.2
2027	1.0
2028 to 2032	4.2
Total benefit payments expected	10.6
International plans
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items]
2023	2.2
2024	2.5
2025	2.8
2026	3.3
2027	3.7
2028 to 2032	17.8
Total benefit payments expected	$ 32.3

Benefit Plans - Assumptions Used (Details)	12 Months Ended
Benefit Plans - Assumptions Used (Details)	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Pension benefits
Weighted average assumptions used in net periodic benefit cost:
Discount rate	2.48%	2.29%	2.61%
Rate of compensation increase	2.79%	2.41%	2.33%
Expected long-term rate of return on assets	4.14%	4.93%	5.10%
Weighted average assumptions used in benefit obligations:
Discount rate	4.35%	2.48%
Rate of compensation increase	3.09%	2.79%
Other retirement benefits
Weighted average assumptions used in net periodic benefit cost:
Discount rate	2.75%	2.30%	3.20%
Rate of compensation increase	0.00%	0.00%	0.00%
Expected long-term rate of return on assets	0.00%	0.00%	0.00%
Weighted average assumptions used in benefit obligations:
Discount rate	5.55%	2.75%
Rate of compensation increase	0.00%	0.00%

Benefit Plans - Weighted Average Interest Crediting Rating by Geographic Location (Details) - Pension benefits	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
United States
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items]
Weighted-average interest crediting rating used to determine net periodic benefit cost	3.31%	3.31%	3.30%
International plans
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items]
Weighted-average interest crediting rating used to determine net periodic benefit cost	1.75%	0.67%	0.52%

Benefit Plans - Allocation of Plan Assets (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Defined Benefit Plan Disclosure [Line Items]
Weighted average asset allocations	100.00%	100.00%
Fair value of plan assets	$ 29.4	$ 249.2
Pension plan assets in the fair value hierarchy
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	29.4	49.5
Level 1
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0.7	1.6
Level 2
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	28.7	47.9
Level 3
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0.0	0.0
Pension plan assets measured at NAV
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0.0	199.7
Cash \| Pension plan assets in the fair value hierarchy
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0.7	1.6
Cash \| Level 1
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0.7	1.6
Cash \| Level 2
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0.0	0.0
Cash \| Level 3
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	$ 0.0	$ 0.0
Equity securities
Defined Benefit Plan Disclosure [Line Items]
Weighted average asset allocations	28.00%	12.00%
Equity securities \| United States
Defined Benefit Plan Disclosure [Line Items]
Target allocation	27.00%
Equity securities \| Pension plan assets in the fair value hierarchy
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	$ 8.2	$ 21.2
Equity securities \| Level 1
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0.0	0.0
Equity securities \| Level 2
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	8.2	21.2
Equity securities \| Level 3
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	$ 0.0	$ 0.0
Debt securities
Defined Benefit Plan Disclosure [Line Items]
Weighted average asset allocations	68.00%	86.00%
Debt securities \| United States
Defined Benefit Plan Disclosure [Line Items]
Target allocation	68.00%
Other
Defined Benefit Plan Disclosure [Line Items]
Weighted average asset allocations	4.00%	2.00%
Other \| United States
Defined Benefit Plan Disclosure [Line Items]
Target allocation	5.00%
Mutual funds \| Pension plan assets in the fair value hierarchy
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	$ 20.4	$ 22.1
Mutual funds \| Level 1
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0.0	0.0
Mutual funds \| Level 2
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	20.4	22.1
Mutual funds \| Level 3
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0.0	0.0
Other mutual funds \| Pension plan assets in the fair value hierarchy
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0.1	4.6
Other mutual funds \| Level 1
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0.0	0.0
Other mutual funds \| Level 2
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0.1	4.6
Other mutual funds \| Level 3
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	$ 0.0	$ 0.0
Minimum \| Equity securities \| United States
Defined Benefit Plan Disclosure [Line Items]
Weighted average asset allocations	25.00%
Minimum \| Debt securities \| United States
Defined Benefit Plan Disclosure [Line Items]
Weighted average asset allocations	63.00%
Minimum \| Other \| United States
Defined Benefit Plan Disclosure [Line Items]
Weighted average asset allocations	2.00%
Maximum \| Equity securities \| United States
Defined Benefit Plan Disclosure [Line Items]
Weighted average asset allocations	30.00%
Maximum \| Debt securities \| United States
Defined Benefit Plan Disclosure [Line Items]
Weighted average asset allocations	68.00%
Maximum \| Other \| United States
Defined Benefit Plan Disclosure [Line Items]
Weighted average asset allocations	7.00%

Other Expense (Income) - Schedule of Other (Income) Expense (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Other Income and Expenses [Abstract]
Severance and post-employment benefits	$ 8.7	$ 0.6	$ 4.6
Asset-related charges	15.3	0.0	0.0
Other charges	(0.2)	1.6	0.0
Total restructuring and related charges	23.8	2.2	4.6
Fixed asset impairments and sale of equipment, net	2.7	1.3	7.7
(Gain) loss on oil hedges	(1.5)	(1.7)	0.2
Contingent consideration	3.0	1.5	1.2
Foreign exchange transaction gains	(4.1)	(1.4)	(1.5)
Cost investment activity	3.5	4.3	2.5
Other items	(0.6)	1.7	(2.7)
Total other expense	$ 26.8	$ 7.9	$ 12.0

Other Expense (Income) - Narrative (Details) - USD ($) $ in Millions	1 Months Ended		12 Months Ended
	Dec. 31, 2022	Jul. 31, 2020	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Summary of Investment Holdings [Line Items]
Asset-related charges			$ 15.3	$ 0.0	$ 0.0
Gain (loss) on oil hedges			1.5	1.7	(0.2)
Cost investment activity			3.5	4.3	$ 2.5
Impairment of cost method investments				4.6
Gain on sale of investments				$ 0.3
2022 Restructuring Plan
Summary of Investment Holdings [Line Items]
Restructuring and related activities, period of implementation (up to)	12 months
2022 Restructuring Plan \| Minimum
Summary of Investment Holdings [Line Items]
Restructuring and related cost, expected cost	$ 25.0		25.0
Effect on future earnings, amount	22.0
2022 Restructuring Plan \| Maximum
Summary of Investment Holdings [Line Items]
Restructuring and related cost, expected cost	27.0		$ 27.0
Effect on future earnings, amount	$ 24.0
2020 Restructuring Plan
Summary of Investment Holdings [Line Items]
Restructuring and related activities, period of implementation (up to)		24 months
Restructuring and related cost, cumulative cost incurred		$ 5.2
2020 Restructuring Plan \| Minimum
Summary of Investment Holdings [Line Items]
Effect on future earnings, amount		0.9
2020 Restructuring Plan \| Maximum
Summary of Investment Holdings [Line Items]
Effect on future earnings, amount		$ 1.6

Other Expense (Income) - Schedule of Restructuring and Related Charges (Details) $ in Millions	12 Months Ended
	Dec. 31, 2022 USD ($)
Restructuring Reserve [Roll Forward]
Restructuring beginning balance	$ 4.6
Restructuring , ending balance	11.3
2022 Restructuring Plan
Restructuring Reserve [Roll Forward]
Restructuring beginning balance	0.0
Charges	25.4
Cash payments	0.0
Restructuring , ending balance	25.4
2022 Restructuring Plan \| Severance and benefits
Restructuring Reserve [Roll Forward]
Restructuring beginning balance	0.0
Charges	10.1
Cash payments	0.0
Restructuring , ending balance	10.1
2022 Restructuring Plan \| Asset-related charges
Restructuring Reserve [Roll Forward]
Restructuring beginning balance	0.0
Charges	15.3
Cash payments	0.0
Restructuring , ending balance	15.3
2020 Restructuring Plan
Restructuring Reserve [Roll Forward]
Restructuring beginning balance	3.3
Charges	(1.6)
Cash payments	(1.0)
Restructuring , ending balance	0.7
2020 Restructuring Plan \| Severance and benefits
Restructuring Reserve [Roll Forward]
Restructuring beginning balance	2.8
Charges	(1.4)
Cash payments	(0.7)
Restructuring , ending balance	0.7
2020 Restructuring Plan \| Other charges
Restructuring Reserve [Roll Forward]
Restructuring beginning balance	0.5
Charges	(0.2)
Cash payments	(0.3)
Restructuring , ending balance	$ 0.0

Income Taxes - Unrecognized Tax Benefits (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Reconciliation of Unrecognized Tax Benefits [Roll Forward]
Balance at January 1	$ 24.9	$ 10.4	$ 5.0
Increase due to current year position	11.4	16.3	4.9
Increase due to prior year position	0.6		0.6
Decrease due to prior year position		(1.0)
Reduction for expiration of statute of limitations/audits	(0.4)	(0.8)	(0.1)
Balance at December 31	$ 36.5	$ 24.9	$ 10.4

Income Taxes - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
Income Taxes - Narrative (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Tax Contingency [Line Items]
Accrued liabilities for interest and penalties	$ 1.6	$ 0.5
Total gross unrecognized tax benefits	36.5	24.9	$ 10.4	$ 5.0
Estimated increase (decrease) in the liability for unrecognized tax benefits	1.7
Tax expense (benefit) from impact of tax law changes enacted	5.7	(1.4)	(0.5)
Tax expense from recognition of reserves for unrecognized tax benefits	19.8
Tax benefit from termination of pension plans	20.6
Deferred tax benefit	8.0
Tax benefit from prepayment of future royalties		18.5
Tax benefit from stock-based compensation	16.5	$ 31.5	$ 20.8
Operating loss carryforwards, state and local	7.3
Operating loss carryforwards, foreign	2.9			1.4
Undistributed earnings of foreign subsidiaries	893.1
State and Local Jurisdiction
Income Tax Contingency [Line Items]
Operating loss carryforwards	123.2
State and Local Jurisdiction \| Research Tax Credit Carryforward
Income Tax Contingency [Line Items]
Tax credit carryforward	0.4			$ 1.8
State and Local Jurisdiction \| Year 2022
Income Tax Contingency [Line Items]
Operating loss carryforwards	3.8
State and Local Jurisdiction \| Year 2023
Income Tax Contingency [Line Items]
Operating loss carryforwards	4.7
State and Local Jurisdiction \| Year After 2023
Income Tax Contingency [Line Items]
Operating loss carryforwards	118.5
Foreign Tax Authority
Income Tax Contingency [Line Items]
Operating loss carryforwards	18.4
Operating loss carryforwards, subject to expiration	$ 0.0

Income Taxes - Income Before Income Taxes (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Tax Disclosure [Abstract]
U.S. operations	$ 394.4	$ 420.0	$ 227.0
International operations	285.5	328.9	174.3
Income before income taxes and equity in net income of affiliated companies	$ 679.9	$ 748.9	$ 401.3

Income Taxes - Components of Income Tax Expense (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Current:
Federal	$ 75.7	$ 64.8	$ 28.9
State	8.4	10.9	3.4
International	61.4	74.4	46.0
Current income tax provision	145.5	150.1	78.3
Deferred:
Federal and state	(20.3)	7.3	0.2
International	(10.5)	(50.2)	(6.0)
Deferred income tax provision	(30.8)	(42.9)	(5.8)
Income tax expense	$ 114.7	$ 107.2	$ 72.5

Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Deferred tax assets
Net operating loss carryforwards	$ 10.3	$ 14.0
Tax credit carryforwards	1.9	1.5
Pension and deferred compensation	31.4	31.6
Royalty acceleration	46.2	45.1
Other	25.5	12.2
Capitalized R&D expenses	8.1	0.0
Leases	20.6	0.0
Valuation allowance	(13.3)	(12.2)
Total deferred tax assets	130.7	92.2
Deferred tax liabilities:
Property, plant, and equipment	53.7	47.2
Tax on undistributed earnings of subsidiaries	1.5	1.8
Leases	19.7	0.0
Other	4.5	(0.4)
Total deferred tax liabilities	79.4	48.6
Net deferred tax asset (liability)	$ 51.3	$ 43.6

Income Taxes - Effective Income Tax Reconciliation (Details)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Tax Disclosure [Abstract]
U.S. federal corporate tax rate	21.00%	21.00%	21.00%
Tax on international operations other than U.S. tax rate	(1.50%)	1.90%	1.20%
Adjustments to reserves for unrecognized tax benefits	2.90%	0.10%	1.40%
U.S. tax on international earnings, net of foreign tax credits	(0.30%)	0.30%	0.40%
Foreign-Derived Intangible Income Deductions (FDII)	(2.10%)	(1.50%)	(1.10%)
State income taxes, net of federal tax effect	1.00%	(0.10%)	1.20%
U.S. research and development credits	(0.60%)	(0.40%)	(0.70%)
Excess tax benefits on share-based payments	(2.40%)	(4.20%)	(5.20%)
Royalty acceleration	0.00%	(2.50%)	0.00%
Pension settlement	(1.20%)	0.00%	0.00%
Tax on undistributed earnings of subsidiaries	0.00%	(0.60%)	0.10%
Other	0.10%	0.30%	(0.20%)
Effective tax rate	16.90%	14.30%	18.10%

Commitments and Contingencies (Details) $ in Millions	Dec. 31, 2022 USD ($)
Loss Contingencies [Line Items]
Outstanding unconditional contractual commitments for the purchase of raw materials, utilities and equipment	$ 96.8
Outstanding unconditional contractual commitments due to be paid in 2021	70.9
Insurance Claims
Loss Contingencies [Line Items]
Accrual for insurance obligations	3.3
Amount reimbursable by the insurance company	0.7
Letter of Credit \| Revolving Credit Facility, Due 2024
Loss Contingencies [Line Items]
Letters of credit supporting the reimbursement of workers' compensation and other claims	$ 2.4

- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References + Details

Segment Information - Narrative (Details)	12 Months Ended
Segment Information - Narrative (Details)	Dec. 31, 2022 segment
Segment Reporting [Abstract]
Number of reportable segments	2

Segment Information - Sales by Product Group (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Segment Reporting, Revenue Reconciling Items [Line Items]
Proprietary Products	$ 2,886.9	$ 2,831.6	$ 2,146.9
Operating Segments \| Proprietary Products
Segment Reporting, Revenue Reconciling Items [Line Items]
Proprietary Products	2,406.8	2,317.3	1,648.6
Operating Segments \| Contract-Manufactured Products
Segment Reporting, Revenue Reconciling Items [Line Items]
Proprietary Products	480.4	514.7	498.6
Intersegment sales elimination
Segment Reporting, Revenue Reconciling Items [Line Items]
Proprietary Products	$ (0.3)	$ (0.4)	$ (0.3)

- Definition

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 22
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8736-108599

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (c)
-URI https://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 28
-Subparagraph (f)
-URI https://asc.fasb.org/extlink&oid=123596393&loc=d3e14064-108612

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 32
-Subparagraph (b)
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Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 32
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Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 10
-Section S99
-Paragraph 1B
-Subparagraph (SX 210.13-02(a)(4)(iv))
-URI https://asc.fasb.org/extlink&oid=126975872&loc=SL124442552-122756

Reference 7: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 8: http://www.xbrl.org/2003/role/disclosureRef
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Reference 9: http://www.xbrl.org/2003/role/disclosureRef
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Reference 10: http://www.xbrl.org/2003/role/disclosureRef
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-Name Accounting Standards Codification
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Reference 11: http://www.xbrl.org/2003/role/disclosureRef
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-Name Accounting Standards Codification
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Reference 12: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
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Reference 13: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 14: http://www.xbrl.org/2003/role/disclosureRef
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Reference 17: http://www.xbrl.org/2003/role/disclosureRef
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Reference 22: http://www.xbrl.org/2009/role/commonPracticeRef
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Reference 23: http://www.xbrl.org/2003/role/disclosureRef
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-URI https://asc.fasb.org/extlink&oid=126953954&loc=SL114868664-224227

+ Details

Segment Information - Sales and Long-lived Assets by Geographic Location (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Revenues from External Customers and Long-Lived Assets [Line Items]
Proprietary Products	$ 2,886.9	$ 2,831.6	$ 2,146.9
Long-Lived Assets	1,262.7	1,126.8
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Proprietary Products	1,286.5	1,198.0	975.6
Long-Lived Assets	611.5	504.1
Germany
Revenues from External Customers and Long-Lived Assets [Line Items]
Proprietary Products	398.7	474.3	282.1
Long-Lived Assets	139.0	124.1
Ireland
Revenues from External Customers and Long-Lived Assets [Line Items]
Proprietary Products	240.3	247.6	226.0
Long-Lived Assets	179.5	187.3
France
Revenues from External Customers and Long-Lived Assets [Line Items]
Proprietary Products	237.9	213.0	172.7
Long-Lived Assets	68.8	86.1
Other European countries
Revenues from External Customers and Long-Lived Assets [Line Items]
Proprietary Products	359.2	341.3	236.8
Long-Lived Assets	81.8	65.1
Other
Revenues from External Customers and Long-Lived Assets [Line Items]
Proprietary Products	364.3	357.4	$ 253.7
Long-Lived Assets	$ 182.1	$ 160.1

- Definition

+ References

+ Details

Segment Information - Segment Financial Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Segment Reporting Information [Line Items]
Operating Profit	$ 734.0	$ 752.3	$ 406.9
Stock-based compensation expense	(23.7)	(37.5)	(34.0)
Amortization of acquisition-related intangible assets	(3.7)	(5.4)	(4.4)
Asset-related charges	(15.3)	0.0	0.0
Interest expense (income) and other nonoperating expense (income), net	54.1	3.4	5.6
Income before income taxes and equity in net income of affiliated companies	679.9	748.9	401.3
Impairment of cost method investments		4.6
Assets	3,616.8	3,313.8
Depreciation and Amortization	120.6	122.3	109.1
Capital Expenditures	284.6	253.4	174.4
Second Quarter 2020 Acquisiiton
Segment Reporting Information [Line Items]
Amortization of acquisition-related intangible assets		(0.8)	(0.6)
Operating Segments
Segment Reporting Information [Line Items]
Operating Profit	844.8	863.3	503.1
Corporate and Unallocated
Segment Reporting Information [Line Items]
Operating Profit	(110.8)	(111.0)	(96.2)
Stock-based compensation expense	(23.7)	(37.5)	(34.0)
Corporate general costs	(59.1)	(63.4)	(52.1)
Restructuring charges	(23.8)	(2.2)	(7.0)
Amortization of acquisition-related intangible assets	(0.7)	(0.8)	(0.6)
Asset-related charges	0.0	(2.8)	0.0
Cost investment activity	(3.5)	(4.3)	(2.5)
Assets	558.2	717.5
Depreciation and Amortization	4.7	7.4	4.1
Capital Expenditures	13.3	8.8	9.9
Corporate and Unallocated \| Cost of goods and services sold
Segment Reporting Information [Line Items]
Asset-related charges		(1.9)
Corporate and Unallocated \| Selling, General and Administrative Expenses
Segment Reporting Information [Line Items]
Asset-related charges		(0.9)
Proprietary Products \| Operating Segments
Segment Reporting Information [Line Items]
Operating Profit	784.4	796.1	434.5
Assets	2,578.3	2,152.6
Depreciation and Amortization	96.9	93.8	84.6
Capital Expenditures	237.3	218.0	139.5
Contract-Manufactured Products \| Operating Segments
Segment Reporting Information [Line Items]
Operating Profit	60.4	67.2	68.6
Assets	480.3	443.7
Depreciation and Amortization	19.0	21.1	20.4
Capital Expenditures	$ 34.0	$ 26.6	$ 25.0

Schedule II - Valuation and Qualifying Accounts (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at beginning of period	$ 12.6	$ 16.2	$ 16.4
Charged to costs and expenses	1.4	(3.6)	0.7
Deductions	(0.5)	0.0	(0.9)
Balance at end of period	13.5	12.6	16.2
Deferred tax asset valuation allowance
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at beginning of period	12.2	15.1	15.9
Charged to costs and expenses	1.1	(2.9)	0.0
Deductions	0.0	0.0	(0.8)
Balance at end of period	13.3	12.2	15.1
Allowance for credit losses
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at beginning of period	0.4	1.1	0.5
Charged to costs and expenses	0.3	(0.7)	0.7
Deductions	(0.5)	0.0	(0.1)
Balance at end of period	$ 0.2	$ 0.4	$ 1.1

Label	Element	Value
Accounting Standards Update [Extensible Enumeration]	us-gaap_AccountingStandardsUpdateExtensibleList	Accounting Standards Update 2016-13 [Member]

- Definition

Indicates amendment to accounting standards.

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+ Details