$WST
WEST PHARMACEUTICAL SERVICES INC Stock $wst

$wst Overview Financials Valuation SEC Filings Company Website

2024 Q1 Form 10-K Financial Statement

#000010577024000015 Filed on February 20, 2024

Income Statement

Concept	2024 Q1	2023 Q4	2023
Revenue	$695.4M	$732.0M	$2.950B
YoY Change	-2.96%	3.29%	2.18%
Cost Of Revenue	$465.2M	$453.8M	$1.821B
YoY Change	4.47%	1.61%	3.99%
Gross Profit	$230.2M	$278.2M	$1.129B
YoY Change	-15.15%	6.14%	-0.62%
Gross Profit Margin	33.1%	38.01%	38.28%
Selling, General & Admin	$86.70M	$90.00M	$353.4M
YoY Change	0.81%	5.02%	11.52%
% of Gross Profit	37.66%	32.35%	31.3%
Research & Development	$17.60M	$18.40M	$68.40M
YoY Change	2.92%	15.72%	16.92%
% of Gross Profit	7.65%	6.61%	6.06%
Depreciation & Amortization	$35.60M	$35.90M	$137.3M
YoY Change	15.96%	15.43%	13.85%
% of Gross Profit	15.46%	12.9%	12.16%
Operating Expenses	$105.6M	$117.3M	$453.2M
YoY Change	2.42%	9.83%	20.72%
Operating Profit	$124.6M	$160.9M	$676.0M
YoY Change	-19.77%	3.61%	-7.9%
Interest Expense	$3.400M	$8.200M	$19.00M
YoY Change	54.55%	272.73%	140.51%
% of Operating Profit	2.73%	5.1%	2.81%
Other Income/Expense, Net	$4.600M	-$900.0K	-$800.0K
YoY Change	76.92%	12.5%	-98.52%
Pretax Income	$127.4M	$168.2M	$698.0M
YoY Change	-19.32%	30.69%	76.98%
Income Tax	$16.40M	$34.50M	$122.3M
% Of Pretax Income	12.87%	20.51%	17.52%
Net Earnings	$115.3M	$137.0M	$593.4M
YoY Change	-17.64%	33.01%	1.28%
Net Earnings / Revenue	16.58%	18.72%	20.12%
Basic Earnings Per Share	$1.57		$7.98
Diluted Earnings Per Share	$1.55	$1.83	$7.88
COMMON SHARES
Basic Shares Outstanding	73.30M shares	73.99M shares	74.30M shares
Diluted Shares Outstanding	74.30M shares		75.30M shares

Balance Sheet

Concept	2024 Q1	2023 Q4	2023
SHORT-TERM ASSETS
Cash & Short-Term Investments	$601.8M	$853.9M	$853.9M
YoY Change	-32.1%	-4.52%	-4.52%
Cash & Equivalents	$601.8M	$853.9M	$853.9M
Short-Term Investments
Other Short-Term Assets	$137.2M	$135.8M	$135.8M
YoY Change	51.6%	31.84%	31.84%
Inventory	$429.9M	$434.7M	$434.7M
Prepaid Expenses
Receivables	$524.0M	$512.0M	$512.0M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$1.693B	$1.936B	$1.936B
YoY Change	-12.61%	0.88%	0.88%
LONG-TERM ASSETS
Property, Plant & Equipment	$1.545B	$1.413B	$1.513B
YoY Change	27.17%	22.02%	19.78%
Goodwill	$107.6M	$108.5M
YoY Change	-0.19%	1.12%
Intangibles	$13.90M	$15.10M
YoY Change	-21.91%	-17.93%
Long-Term Investments	$202.5M	$203.2M	$210.0M
YoY Change	0.8%	3.15%	2.49%
Other Assets	$40.00M	$21.30M	$47.00M
YoY Change	8.99%	-44.09%	-54.81%
Total Long-Term Assets	$1.909B	$1.893B	$1.893B
YoY Change	6.89%	11.54%	11.54%
TOTAL ASSETS
Total Short-Term Assets	$1.693B	$1.936B	$1.936B
Total Long-Term Assets	$1.909B	$1.893B	$1.893B
Total Assets	$3.602B	$3.830B	$3.830B
YoY Change	-3.26%	5.88%	5.88%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$240.1M	$242.4M	$242.4M
YoY Change	2.69%	12.53%	12.53%
Accrued Expenses	$84.50M	$123.6M	$179.0M
YoY Change	3.17%	30.24%	12.44%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$133.4M	$134.0M	$134.0M
YoY Change	5963.64%	5990.91%	5990.91%
Total Short-Term Liabilities	$648.4M	$671.8M	$671.8M
YoY Change	21.22%	29.44%	29.44%
LONG-TERM LIABILITIES
Long-Term Debt	$72.80M	$72.80M	$72.80M
YoY Change	-64.68%	-64.78%	-64.78%
Other Long-Term Liabilities	$187.8M	$58.50M	$191.2M
YoY Change	236.56%	13.37%	-0.36%
Total Long-Term Liabilities	$260.6M	$131.3M	$264.0M
YoY Change	-0.5%	-49.17%	-33.77%
TOTAL LIABILITIES
Total Short-Term Liabilities	$648.4M	$671.8M	$671.8M
Total Long-Term Liabilities	$260.6M	$131.3M	$264.0M
Total Liabilities	$921.7M	$948.5M	$948.5M
YoY Change	-2.71%	1.78%	1.78%
SHAREHOLDERS EQUITY
Retained Earnings	$3.624B	$3.523B
YoY Change	16.4%	17.93%
Common Stock	$18.80M	$18.80M
YoY Change	0.0%	0.0%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$2.681B	$2.881B	$2.881B
YoY Change
Total Liabilities & Shareholders Equity	$3.602B	$3.830B	$3.830B
YoY Change	-3.26%	5.88%	5.88%

Cashflow Statement

Concept	2024 Q1	2023 Q4	2023
OPERATING ACTIVITIES
Net Income	$115.3M	$137.0M	$593.4M
YoY Change	-17.64%	33.01%	1.28%
Depreciation, Depletion And Amortization	$35.60M	$35.90M	$137.3M
YoY Change	15.96%	15.43%	13.85%
Cash From Operating Activities	$118.2M	$239.1M	$776.5M
YoY Change	-14.41%	3.6%	7.25%
INVESTING ACTIVITIES
Capital Expenditures	$90.60M	$108.7M	$362.0M
YoY Change	10.35%	14.54%	27.2%
Acquisitions
YoY Change
Other Investing Activities		-$100.0K	$6.700M
YoY Change		-200.0%	86.11%
Cash From Investing Activities	-$90.60M	-$108.8M	-$368.7M
YoY Change	10.35%	14.77%	27.93%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-271.0M	-189.5M	-$459.6M
YoY Change	281.69%	1894.74%	56.54%
NET CHANGE
Cash From Operating Activities	118.2M	239.1M	$776.5M
Cash From Investing Activities	-90.60M	-108.8M	-$368.7M
Cash From Financing Activities	-271.0M	-189.5M	-$459.6M
Net Change In Cash	-243.4M	-59.20M	-$40.40M
YoY Change	2942.5%	-146.8%	-130.68%
FREE CASH FLOW
Cash From Operating Activities	$118.2M	$239.1M	$776.5M
Capital Expenditures	$90.60M	$108.7M	$362.0M
Free Cash Flow	$27.60M	$130.4M	$414.5M
YoY Change	-50.71%	-4.05%	-5.67%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2023	dei	Entity Central Index Key EntityCentralIndexKey	0000105770
CY2023	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2023
CY2023	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2023	dei	Amendment Flag AmendmentFlag	false
CY2022	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost Credit Excluding Service Cost Statement Of Income Or Comprehensive Income Extensible List DefinedBenefitPlanNetPeriodicBenefitCostCreditExcludingServiceCostStatementOfIncomeOrComprehensiveIncomeExtensibleList	http://fasb.org/us-gaap/2023#OtherNonoperatingIncomeExpense
CY2021	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost Credit Excluding Service Cost Statement Of Income Or Comprehensive Income Extensible List DefinedBenefitPlanNetPeriodicBenefitCostCreditExcludingServiceCostStatementOfIncomeOrComprehensiveIncomeExtensibleList	http://fasb.org/us-gaap/2023#OtherNonoperatingIncomeExpense
CY2023	dei	Document Annual Report DocumentAnnualReport	true
CY2023	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2023	dei	Document Transition Report DocumentTransitionReport	false
CY2023	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	PA
CY2023	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	23-1210010
CY2023	dei	Entity Address Address Line1 EntityAddressAddressLine1	530 Herman O. West Drive
CY2023	dei	Entity Address City Or Town EntityAddressCityOrTown	Exton
CY2023	dei	Entity Address State Or Province EntityAddressStateOrProvince	PA
CY2023	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	19341-1147
CY2023	dei	City Area Code CityAreaCode	610
CY2023	dei	Local Phone Number LocalPhoneNumber	594-2900
CY2023	dei	Security12b Title Security12bTitle	Common Stock, par value $.25 per share
CY2023	dei	Trading Symbol TradingSymbol	WST
CY2023	dei	Security Exchange Name SecurityExchangeName	NYSE
CY2023	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2023	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2023	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2023	dei	Entity Small Business EntitySmallBusiness	false
CY2023	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2023	dei	Icfr Auditor Attestation Flag IcfrAuditorAttestationFlag	true
CY2023	dei	Document Fin Stmt Error Correction Flag DocumentFinStmtErrorCorrectionFlag	false
CY2023Q2	dei	Entity Public Float EntityPublicFloat	28200000000	usd
CY2024Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	73299296	shares
CY2023	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	2949800000	usd
CY2022	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	2886900000	usd
CY2021	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	2831600000	usd
CY2023	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	1820600000	usd
CY2022	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	1750700000	usd
CY2021	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	1655800000	usd
CY2023	us-gaap	Gross Profit GrossProfit	1129200000	usd
CY2022	us-gaap	Gross Profit GrossProfit	1136200000	usd
CY2021	us-gaap	Gross Profit GrossProfit	1175800000	usd
CY2022	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	58500000	usd
CY2021	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	52800000	usd
CY2021	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	362800000	usd
CY2023	us-gaap	Interest Expense InterestExpense	9000000.0	usd
CY2023	us-gaap	Investment Income Net InvestmentIncomeNet	28000000.0	usd
CY2022	us-gaap	Investment Income Net InvestmentIncomeNet	5100000	usd
CY2023	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	3000000.0	usd
CY2022	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-51300000	usd
CY2021	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	3800000	usd
CY2023	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	698000000.0	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	679900000	usd
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	748900000	usd
CY2023	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	122300000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	114700000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	107200000	usd
CY2023	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	17700000	usd
CY2022	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	20700000	usd
CY2021	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	20100000	usd
CY2023	us-gaap	Net Income Loss NetIncomeLoss	593400000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	585900000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	661800000	usd
CY2023	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	7.98
CY2022	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	7.87
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	8.89
CY2023	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	7.88
CY2022	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	7.73
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	8.67
CY2023	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	74300000	shares
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	74400000	shares
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	74400000	shares
CY2023	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	75300000	shares
CY2022	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	75800000	shares
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	76300000	shares
CY2023	us-gaap	Net Income Loss NetIncomeLoss	593400000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	585900000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	661800000	usd
CY2023	us-gaap	Other Comprehensive Income Foreign Currency Translation Adjustment Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTranslationAdjustmentTaxPortionAttributableToParent	1000000.0	usd
CY2022	us-gaap	Other Comprehensive Income Foreign Currency Translation Adjustment Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTranslationAdjustmentTaxPortionAttributableToParent	2200000	usd
CY2021	us-gaap	Other Comprehensive Income Foreign Currency Translation Adjustment Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTranslationAdjustmentTaxPortionAttributableToParent	2400000	usd
CY2023	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent	39400000	usd
CY2022	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent	-47300000	usd
CY2021	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent	-59300000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Benefit Plan Improvement Tax Effect OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansBenefitPlanImprovementTaxEffect	0.0	usd
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CY2021	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Benefit Plan Improvement Tax Effect OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansBenefitPlanImprovementTaxEffect	500000	usd
CY2023	us-gaap	Other Comprehensive Income Defined Benefit Plan Net Prior Service Costs Credit Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostsCreditArisingDuringPeriodNetOfTax	0	usd
CY2022	us-gaap	Other Comprehensive Income Defined Benefit Plan Net Prior Service Costs Credit Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostsCreditArisingDuringPeriodNetOfTax	0	usd
CY2021	us-gaap	Other Comprehensive Income Defined Benefit Plan Net Prior Service Costs Credit Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostsCreditArisingDuringPeriodNetOfTax	-1500000	usd
CY2023	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	400000	usd
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CY2021	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	5900000	usd
CY2023	wst	Other Comprehensive Income Loss Defined Benefit Plans Settlement Effects Arising During Period Tax OtherComprehensiveIncomeLossDefinedBenefitPlansSettlementEffectsArisingDuringPeriodTax	0.0	usd
CY2022	wst	Other Comprehensive Income Loss Defined Benefit Plans Settlement Effects Arising During Period Tax OtherComprehensiveIncomeLossDefinedBenefitPlansSettlementEffectsArisingDuringPeriodTax	20300000	usd
CY2021	wst	Other Comprehensive Income Loss Defined Benefit Plans Settlement Effects Arising During Period Tax OtherComprehensiveIncomeLossDefinedBenefitPlansSettlementEffectsArisingDuringPeriodTax	400000	usd
CY2023	wst	Other Comprehensive Loss Defined Benefit Plans Settlement Effects Net Of Tax OtherComprehensiveLossDefinedBenefitPlansSettlementEffectsNetOfTax	-100000	usd
CY2022	wst	Other Comprehensive Loss Defined Benefit Plans Settlement Effects Net Of Tax OtherComprehensiveLossDefinedBenefitPlansSettlementEffectsNetOfTax	-31900000	usd
CY2021	wst	Other Comprehensive Loss Defined Benefit Plans Settlement Effects Net Of Tax OtherComprehensiveLossDefinedBenefitPlansSettlementEffectsNetOfTax	-1400000	usd
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CY2023	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax	1300000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax	500000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax	-100000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax	0.0	usd
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CY2023	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Transition Asset Obligation Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetTransitionAssetObligationTax	-100000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Transition Asset Obligation Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetTransitionAssetObligationTax	100000	usd
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CY2022	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Transition Asset Obligation Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetTransitionAssetObligationNetOfTax	-300000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Transition Asset Obligation Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetTransitionAssetObligationNetOfTax	0	usd
CY2023	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	0.0	usd
CY2022	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	0.0	usd
CY2021	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	0.0	usd
CY2023	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	700000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	100000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	900000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Derivative Excluded Component Increase Decrease Adjustments Tax OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseAdjustmentsTax	0.0	usd
CY2022	us-gaap	Other Comprehensive Income Loss Derivative Excluded Component Increase Decrease Adjustments Tax OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseAdjustmentsTax	200000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Derivative Excluded Component Increase Decrease Adjustments Tax OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseAdjustmentsTax	500000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Derivative Excluded Component Increase Decrease After Adjustments And Tax OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseAfterAdjustmentsAndTax	-200000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Derivative Excluded Component Increase Decrease After Adjustments And Tax OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseAfterAdjustmentsAndTax	1400000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Derivative Excluded Component Increase Decrease After Adjustments And Tax OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseAfterAdjustmentsAndTax	700000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	39200000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-23400000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-49000000.0	usd
CY2023	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	632600000	usd
CY2022	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	562500000	usd
CY2021	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	612800000	usd
CY2023Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	853900000	usd
CY2022Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	894300000	usd
CY2023Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	512000000.0	usd
CY2022Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	507400000	usd
CY2023Q4	us-gaap	Inventory Net InventoryNet	434700000	usd
CY2022Q4	us-gaap	Inventory Net InventoryNet	414800000	usd
CY2023Q4	us-gaap	Other Assets Current OtherAssetsCurrent	135800000	usd
CY2022Q4	us-gaap	Other Assets Current OtherAssetsCurrent	103000000.0	usd
CY2023Q4	us-gaap	Assets Current AssetsCurrent	1936400000	usd
CY2022Q4	us-gaap	Assets Current AssetsCurrent	1919500000	usd
CY2023Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	2738000000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	2386600000	usd
CY2023Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	1324700000	usd
CY2022Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	1228300000	usd
CY2023Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	1413300000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	1158300000	usd
CY2023Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	99200000	usd
CY2022Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	104400000	usd
CY2023Q4	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	210000000.0	usd
CY2022Q4	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	204900000	usd
CY2023Q4	us-gaap	Goodwill Goodwill	108500000	usd
CY2022Q4	us-gaap	Goodwill Goodwill	107300000	usd
CY2023Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	15100000	usd
CY2022Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	18400000	usd
CY2023Q4	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	25700000	usd
CY2022Q4	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	65600000	usd
CY2023Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	21300000	usd
CY2022Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	38400000	usd
CY2023Q4	us-gaap	Assets Assets	3829500000	usd
CY2022Q4	us-gaap	Assets Assets	3616800000	usd
CY2023Q4	wst	Notes Payable And Other Debt Current NotesPayableAndOtherDebtCurrent	134000000.0	usd
CY2022Q4	wst	Notes Payable And Other Debt Current NotesPayableAndOtherDebtCurrent	2200000	usd
CY2023Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	242400000	usd
CY2022Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	215400000	usd
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CY2022Q4	wst	Accrued Salaries Wages And Benefits Current AccruedSalariesWagesAndBenefitsCurrent	76800000	usd
CY2023Q4	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	16600000	usd
CY2022Q4	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	24800000	usd
CY2023Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	17700000	usd
CY2022Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	16000000.0	usd
CY2023Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	155200000	usd
CY2022Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	183800000	usd
CY2023Q4	us-gaap	Liabilities Current LiabilitiesCurrent	671800000	usd
CY2022Q4	us-gaap	Liabilities Current LiabilitiesCurrent	519000000.0	usd
CY2023Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	72800000	usd
CY2022Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	206700000	usd
CY2023Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	12700000	usd
CY2022Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	14300000	usd
CY2023Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	29600000	usd
CY2022Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	28200000	usd
CY2023Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	84500000	usd
CY2022Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	93000000.0	usd
CY2023Q4	us-gaap	Deferred Compensation Liability Classified Noncurrent DeferredCompensationLiabilityClassifiedNoncurrent	18600000	usd
CY2022Q4	us-gaap	Deferred Compensation Liability Classified Noncurrent DeferredCompensationLiabilityClassifiedNoncurrent	19100000	usd
CY2023Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	58500000	usd
CY2022Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	51600000	usd
CY2023Q4	us-gaap	Liabilities Liabilities	948500000	usd
CY2022Q4	us-gaap	Liabilities Liabilities	931900000	usd
CY2023Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
CY2022Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
CY2022Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	3000000.0	shares
CY2023Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	3000000.0	shares
CY2022Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0.0	shares
CY2023Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0.0	shares
CY2022Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0.0	shares
CY2023Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0.0	shares
CY2023Q4	us-gaap	Preferred Stock Value PreferredStockValue	0	usd
CY2022Q4	us-gaap	Preferred Stock Value PreferredStockValue	0	usd
CY2023Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.25
CY2022Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.25
CY2022Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	200000000	shares
CY2023Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	200000000	shares
CY2022Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	75300000	shares
CY2023Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	75300000	shares
CY2023Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	73500000	shares
CY2022Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	74100000	shares
CY2023Q4	us-gaap	Common Stock Value CommonStockValue	18800000	usd
CY2022Q4	us-gaap	Common Stock Value CommonStockValue	18800000	usd
CY2023Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	120200000	usd
CY2022Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	232200000	usd
CY2023Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	3523400000	usd
CY2022Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	2987800000	usd
CY2023Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-143800000	usd
CY2022Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-183000000.0	usd
CY2023Q4	us-gaap	Treasury Stock Common Shares TreasuryStockCommonShares	1800000	shares
CY2022Q4	us-gaap	Treasury Stock Common Shares TreasuryStockCommonShares	1200000	shares
CY2023Q4	us-gaap	Treasury Stock Common Value TreasuryStockCommonValue	637600000	usd
CY2022Q4	us-gaap	Treasury Stock Common Value TreasuryStockCommonValue	370900000	usd
CY2023Q4	us-gaap	Stockholders Equity StockholdersEquity	2881000000	usd
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	2684900000	usd
CY2023Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	3829500000	usd
CY2022Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	3616800000	usd
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	1854500000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	661800000	usd
CY2021	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	57000000.0	usd
CY2021	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	137100000	usd
CY2021	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.70
CY2021	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	51800000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-49000000.0	usd
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	2335400000	usd
CY2022	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	44600000	usd
CY2022	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	202800000	usd
CY2022	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.74
CY2022	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	54800000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-23400000	usd
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	2684900000	usd
CY2023	us-gaap	Net Income Loss NetIncomeLoss	593400000	usd
CY2023	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	59600000	usd
CY2023	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	438300000	usd
CY2023	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.78
CY2023	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	57800000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	39200000	usd
CY2023Q4	us-gaap	Stockholders Equity StockholdersEquity	2881000000	usd
CY2023	us-gaap	Net Income Loss NetIncomeLoss	593400000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	585900000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	661800000	usd
CY2023	us-gaap	Depreciation Depreciation	133700000	usd
CY2022	us-gaap	Depreciation Depreciation	116900000	usd
CY2021	us-gaap	Depreciation Depreciation	116900000	usd
CY2023	us-gaap	Adjustment For Amortization AdjustmentForAmortization	3600000	usd
CY2022	us-gaap	Adjustment For Amortization AdjustmentForAmortization	3700000	usd
CY2021	us-gaap	Adjustment For Amortization AdjustmentForAmortization	5400000	usd
CY2023	us-gaap	Share Based Compensation ShareBasedCompensation	23300000	usd
CY2022	us-gaap	Share Based Compensation ShareBasedCompensation	23700000	usd
CY2021	us-gaap	Share Based Compensation ShareBasedCompensation	37500000	usd
CY2023	us-gaap	Restructuring Reserve Settled Without Cash2 RestructuringReserveSettledWithoutCash2	0	usd
CY2022	us-gaap	Restructuring Reserve Settled Without Cash2 RestructuringReserveSettledWithoutCash2	15300000	usd
CY2021	us-gaap	Restructuring Reserve Settled Without Cash2 RestructuringReserveSettledWithoutCash2	0	usd
CY2023	us-gaap	Defined Benefit Plan Recognized Net Gain Loss Due To Curtailments DefinedBenefitPlanRecognizedNetGainLossDueToCurtailments	-100000	usd
CY2022	us-gaap	Defined Benefit Plan Recognized Net Gain Loss Due To Curtailments DefinedBenefitPlanRecognizedNetGainLossDueToCurtailments	-52200000	usd
CY2021	us-gaap	Defined Benefit Plan Recognized Net Gain Loss Due To Curtailments DefinedBenefitPlanRecognizedNetGainLossDueToCurtailments	-1800000	usd
CY2023	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-11600000	usd
CY2022	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	0	usd
CY2021	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	0	usd
CY2023	us-gaap	Asset Impairment Charges AssetImpairmentCharges	9600000	usd
CY2022	us-gaap	Asset Impairment Charges AssetImpairmentCharges	6200000	usd
CY2021	us-gaap	Asset Impairment Charges AssetImpairmentCharges	5600000	usd
CY2023	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	37500000	usd
CY2022	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-30800000	usd
CY2021	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-42900000	usd
CY2023	wst	Pension And Other Postretirement Benefit Expense Net PensionAndOtherPostretirementBenefitExpenseNet	-2600000	usd
CY2022	wst	Pension And Other Postretirement Benefit Expense Net PensionAndOtherPostretirementBenefitExpenseNet	-14000000.0	usd
CY2021	wst	Pension And Other Postretirement Benefit Expense Net PensionAndOtherPostretirementBenefitExpenseNet	14800000	usd
CY2023	us-gaap	Income Loss From Equity Method Investments Net Of Dividends Or Distributions IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions	14300000	usd
CY2022	us-gaap	Income Loss From Equity Method Investments Net Of Dividends Or Distributions IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions	18100000	usd
CY2021	us-gaap	Income Loss From Equity Method Investments Net Of Dividends Or Distributions IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions	17400000	usd
CY2023	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-1000000.0	usd
CY2022	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	2000000.0	usd
CY2021	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	1400000	usd
CY2023	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-4000000.0	usd
CY2022	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	35600000	usd
CY2021	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	123500000	usd
CY2023	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	13500000	usd
CY2022	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	49800000	usd
CY2021	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	86500000	usd
CY2023	us-gaap	Increase Decrease In Other Current Assets IncreaseDecreaseInOtherCurrentAssets	21300000	usd
CY2022	us-gaap	Increase Decrease In Other Current Assets IncreaseDecreaseInOtherCurrentAssets	-18500000	usd
CY2021	us-gaap	Increase Decrease In Other Current Assets IncreaseDecreaseInOtherCurrentAssets	7300000	usd
CY2023	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	4400000	usd
CY2022	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-2800000	usd
CY2021	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	16800000	usd
CY2023	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	-6000000.0	usd
CY2022	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	-54700000	usd
CY2021	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	-2400000	usd
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CY2022	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	724000000.0	usd
CY2021	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	584000000.0	usd
CY2023	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	362000000.0	usd
CY2022	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	284600000	usd
CY2021	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	253400000	usd
CY2023	us-gaap	Payments To Acquire Businesses Gross PaymentsToAcquireBusinessesGross	0	usd
CY2022	us-gaap	Payments To Acquire Businesses Gross PaymentsToAcquireBusinessesGross	0	usd
CY2021	us-gaap	Payments To Acquire Businesses Gross PaymentsToAcquireBusinessesGross	2200000	usd
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CY2022	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	3600000	usd
CY2021	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-2500000	usd
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CY2022	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-288200000	usd
CY2021	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-253100000	usd
CY2023	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	0	usd
CY2022	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	1200000	usd
CY2021	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	0	usd
CY2023	us-gaap	Repayments Of Other Long Term Debt RepaymentsOfOtherLongTermDebt	2300000	usd
CY2022	us-gaap	Repayments Of Other Long Term Debt RepaymentsOfOtherLongTermDebt	44300000	usd
CY2021	us-gaap	Repayments Of Other Long Term Debt RepaymentsOfOtherLongTermDebt	2200000	usd
CY2023	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	57000000.0	usd
CY2022	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	54100000	usd
CY2021	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	51100000	usd
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CY2022	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	20900000	usd
CY2021	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	29400000	usd
CY2023	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans	7100000	usd
CY2022	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans	7300000	usd
CY2021	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans	7700000	usd
CY2023	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	438300000	usd
CY2022	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	202800000	usd
CY2021	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	137100000	usd
CY2023	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	12900000	usd
CY2022	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	19400000	usd
CY2021	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	14800000	usd
CY2023	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-100000	usd
CY2022	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	0	usd
CY2021	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	0	usd
CY2023	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-459600000	usd
CY2022	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-293600000	usd
CY2021	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-168100000	usd
CY2023	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	11400000	usd
CY2022	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	-10500000	usd
CY2021	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	-15700000	usd
CY2023	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-40400000	usd
CY2022	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	131700000	usd
CY2021	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	147100000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	894300000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	762600000	usd
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	615500000	usd
CY2023Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	853900000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	894300000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	762600000	usd
CY2023	us-gaap	Interest Paid Net InterestPaidNet	6000000.0	usd
CY2022	us-gaap	Interest Paid Net InterestPaidNet	6600000	usd
CY2021	us-gaap	Interest Paid Net InterestPaidNet	8000000.0	usd
CY2023	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	90800000	usd
CY2022	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	109700000	usd
CY2021	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	171800000	usd
CY2023	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	53300000	usd
CY2022	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	33200000	usd
CY2021	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	41100000	usd
CY2023Q4	us-gaap	Dividends Payable Current DividendsPayableCurrent	14800000	usd
CY2022Q4	us-gaap	Dividends Payable Current DividendsPayableCurrent	14100000	usd
CY2021Q4	us-gaap	Dividends Payable Current DividendsPayableCurrent	13400000	usd
CY2023	us-gaap	Use Of Estimates UseOfEstimates	<div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Use of Estimates:</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"> 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.</span></div>
CY2023Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	800000	usd
CY2022Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	200000	usd
CY2023Q4	us-gaap	Inventory Raw Materials Net Of Reserves InventoryRawMaterialsNetOfReserves	172300000	usd
CY2022Q4	us-gaap	Inventory Raw Materials Net Of Reserves InventoryRawMaterialsNetOfReserves	170700000	usd
CY2023Q4	us-gaap	Inventory Work In Process Net Of Reserves InventoryWorkInProcessNetOfReserves	87300000	usd
CY2022Q4	us-gaap	Inventory Work In Process Net Of Reserves InventoryWorkInProcessNetOfReserves	79000000.0	usd
CY2023Q4	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	175100000	usd
CY2022Q4	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	165100000	usd
CY2023Q4	us-gaap	Inventory Net InventoryNet	434700000	usd
CY2022Q4	us-gaap	Inventory Net InventoryNet	414800000	usd
CY2022Q4	us-gaap	Contract With Customer Asset Net ContractWithCustomerAssetNet	16300000	usd
CY2023Q4	us-gaap	Contract With Customer Asset Net ContractWithCustomerAssetNet	21500000	usd
CY2023	wst	Contract With Customer Asset Increase Decrease ContractWithCustomerAssetIncreaseDecrease	5200000	usd
CY2022Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	68200000	usd
CY2013Q2	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	20000000	usd
CY2023Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	53900000	usd
CY2023	us-gaap	Contract With Customer Liability Change In Timeframe Performance Obligation Satisfied Revenue Recognized ContractWithCustomerLiabilityChangeInTimeframePerformanceObligationSatisfiedRevenueRecognized	-14300000	usd
CY2023	wst	Contract With Customer Liability Revenue Recognized From Deferred Income ContractWithCustomerLiabilityRevenueRecognizedFromDeferredIncome	47200000	usd
CY2023	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	37400000	usd
CY2023	wst	Contract With Customer Liability Increase Decrease Due To Additional Cash Payments ContractWithCustomerLiabilityIncreaseDecreaseDueToAdditionalCashPayments	72600000	usd
CY2023	us-gaap	Net Income Loss NetIncomeLoss	593400000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	585900000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	661800000	usd
CY2023	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	74300000	shares
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	74400000	shares
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	74400000	shares
CY2023	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	1000000.0	shares
CY2022	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	1400000	shares
CY2021	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	1900000	shares
CY2023	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	75300000	shares
CY2022	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	75800000	shares
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	76300000	shares
CY2023	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	200000	shares
CY2022	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	200000	shares
CY2021	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
CY2023Q1	us-gaap	Stock Repurchase Program Number Of Shares Authorized To Be Repurchased StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased	1000000000	shares
CY2023Q4	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	512262	shares
CY2023Q4	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	177000000	usd
CY2023Q4	us-gaap	Treasury Stock Acquired Average Cost Per Share TreasuryStockAcquiredAverageCostPerShare	345.56
CY2023	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	1265661	shares
CY2023	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	438300000	usd
CY2023	us-gaap	Treasury Stock Acquired Average Cost Per Share TreasuryStockAcquiredAverageCostPerShare	346.34
CY2022Q4	us-gaap	Stock Repurchase Program Number Of Shares Authorized To Be Repurchased StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased	650000	shares
CY2022Q4	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	0	shares
CY2022	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	563334	shares
CY2022	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	202800000	usd
CY2022	us-gaap	Treasury Stock Acquired Average Cost Per Share TreasuryStockAcquiredAverageCostPerShare	360.03
CY2023Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	2738000000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	2386600000	usd
CY2023	us-gaap	Depreciation Depreciation	133700000	usd
CY2022	us-gaap	Depreciation Depreciation	116900000	usd
CY2021	us-gaap	Depreciation Depreciation	116900000	usd
CY2023	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	5800000	usd
CY2022	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	3700000	usd
CY2021	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	2000000	usd
CY2023	wst	Lessee Operating Lease Option To Terminate Term LesseeOperatingLeaseOptionToTerminateTerm	P1Y
CY2023	us-gaap	Operating Lease Cost OperatingLeaseCost	20300000	usd
CY2022	us-gaap	Operating Lease Cost OperatingLeaseCost	15500000	usd
CY2021	us-gaap	Operating Lease Cost OperatingLeaseCost	12700000	usd
CY2023	us-gaap	Short Term Lease Cost ShortTermLeaseCost	6100000	usd
CY2022	us-gaap	Short Term Lease Cost ShortTermLeaseCost	1300000	usd
CY2021	us-gaap	Short Term Lease Cost ShortTermLeaseCost	1300000	usd
CY2023	us-gaap	Variable Lease Cost VariableLeaseCost	5500000	usd
CY2022	us-gaap	Variable Lease Cost VariableLeaseCost	6800000	usd
CY2021	us-gaap	Variable Lease Cost VariableLeaseCost	4800000	usd
CY2023	us-gaap	Lease Cost LeaseCost	31900000	usd
CY2022	us-gaap	Lease Cost LeaseCost	23600000	usd
CY2021	us-gaap	Lease Cost LeaseCost	18800000	usd
CY2021Q4	us-gaap	Retained Earnings Undistributed Earnings From Equity Method Investees RetainedEarningsUndistributedEarningsFromEquityMethodInvestees	115600000	usd
CY2023	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	3400000	usd
CY2022	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	2600000	usd
CY2021	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	2700000	usd
CY2023	us-gaap	Operating Lease Payments OperatingLeasePayments	19100000	usd
CY2022	us-gaap	Operating Lease Payments OperatingLeasePayments	13300000	usd
CY2021	us-gaap	Operating Lease Payments OperatingLeasePayments	12100000	usd
CY2023	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	10700000	usd
CY2022	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	47600000	usd
CY2021	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	13300000	usd
CY2023Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P9Y9M18D
CY2022Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P9Y3M18D
CY2023Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0355
CY2022Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0325
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	20900000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	18700000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	15700000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	11200000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	9500000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	42100000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	118100000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	15900000	usd
CY2023Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	102200000	usd
CY2023Q4	us-gaap	Retained Earnings Undistributed Earnings From Equity Method Investees RetainedEarningsUndistributedEarningsFromEquityMethodInvestees	148000000	usd
CY2022Q4	us-gaap	Retained Earnings Undistributed Earnings From Equity Method Investees RetainedEarningsUndistributedEarningsFromEquityMethodInvestees	133600000	usd
CY2023Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	207000000.0	usd
CY2022Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	209200000	usd
CY2023Q4	us-gaap	Unamortized Debt Issuance Expense UnamortizedDebtIssuanceExpense	200000	usd
CY2022Q4	us-gaap	Unamortized Debt Issuance Expense UnamortizedDebtIssuanceExpense	300000	usd
CY2023Q4	us-gaap	Long Term Debt LongTermDebt	206800000	usd
CY2022Q4	us-gaap	Long Term Debt LongTermDebt	208900000	usd
CY2023Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	134000000.0	usd
CY2022Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	2200000	usd
CY2023Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	72800000	usd
CY2023Q4	us-gaap	Equity Method Investments EquityMethodInvestments	203200000	usd
CY2022Q4	us-gaap	Equity Method Investments EquityMethodInvestments	197000000	usd
CY2023Q4	us-gaap	Equity Securities Without Readily Determinable Fair Value Amount EquitySecuritiesWithoutReadilyDeterminableFairValueAmount	6800000	usd
CY2022Q4	us-gaap	Equity Securities Without Readily Determinable Fair Value Amount EquitySecuritiesWithoutReadilyDeterminableFairValueAmount	7900000	usd
CY2021Q4	us-gaap	Goodwill Goodwill	109900000	usd
CY2022	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	-2600000	usd
CY2022Q4	us-gaap	Goodwill Goodwill	107300000	usd
CY2023	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	1200000	usd
CY2023Q4	us-gaap	Goodwill Goodwill	108500000	usd
CY2023Q4	us-gaap	Goodwill Impaired Accumulated Impairment Loss GoodwillImpairedAccumulatedImpairmentLoss	100000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	76800000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	61700000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	15100000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	80200000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	61800000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	18400000	usd
CY2023	us-gaap	Finite Lived Intangible Assets Foreign Currency Translation Gain Loss FiniteLivedIntangibleAssetsForeignCurrencyTranslationGainLoss	-100000	usd
CY2022	us-gaap	Finite Lived Intangible Assets Foreign Currency Translation Gain Loss FiniteLivedIntangibleAssetsForeignCurrencyTranslationGainLoss	-900000	usd
CY2023	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	3600000	usd
CY2022	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	3700000	usd
CY2021	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	5400000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	3900000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	3100000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	2700000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	2500000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	2000000	usd
CY2022Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	206700000	usd
CY2023Q4	us-gaap	Deferred Revenue Current DeferredRevenueCurrent	41700000	usd
CY2022Q4	us-gaap	Deferred Revenue Current DeferredRevenueCurrent	57300000	usd
CY2023Q4	us-gaap	Dividends Payable Current DividendsPayableCurrent	14800000	usd
CY2022Q4	us-gaap	Dividends Payable Current DividendsPayableCurrent	14100000	usd
CY2023Q4	us-gaap	Accrued Sales Commission Current And Noncurrent AccruedSalesCommissionCurrentAndNoncurrent	22400000	usd
CY2022Q4	us-gaap	Accrued Sales Commission Current And Noncurrent AccruedSalesCommissionCurrentAndNoncurrent	32100000	usd
CY2023Q4	us-gaap	Other Postretirement Benefits Payable Current And Noncurrent OtherPostretirementBenefitsPayableCurrentAndNoncurrent	10900000	usd
CY2022Q4	us-gaap	Other Postretirement Benefits Payable Current And Noncurrent OtherPostretirementBenefitsPayableCurrentAndNoncurrent	10600000	usd
CY2023Q4	us-gaap	Accrual For Taxes Other Than Income Taxes Current AccrualForTaxesOtherThanIncomeTaxesCurrent	9200000	usd
CY2022Q4	us-gaap	Accrual For Taxes Other Than Income Taxes Current AccrualForTaxesOtherThanIncomeTaxesCurrent	13700000	usd
CY2023Q4	us-gaap	Accrued Professional Fees Current AccruedProfessionalFeesCurrent	5100000	usd
CY2022Q4	us-gaap	Accrued Professional Fees Current AccruedProfessionalFeesCurrent	5400000	usd
CY2023Q4	us-gaap	Interest Payable Current InterestPayableCurrent	2600000	usd
CY2022Q4	us-gaap	Interest Payable Current InterestPayableCurrent	2500000	usd
CY2023Q4	us-gaap	Restructuring Reserve RestructuringReserve	3800000	usd
CY2022Q4	us-gaap	Restructuring Reserve RestructuringReserve	11300000	usd
CY2023Q4	us-gaap	Derivative Liabilities Current DerivativeLiabilitiesCurrent	2100000	usd
CY2022Q4	us-gaap	Derivative Liabilities Current DerivativeLiabilitiesCurrent	1300000	usd
CY2023Q4	us-gaap	Sales And Excise Tax Payable Current SalesAndExciseTaxPayableCurrent	5200000	usd
CY2022Q4	us-gaap	Sales And Excise Tax Payable Current SalesAndExciseTaxPayableCurrent	4700000	usd
CY2023Q4	us-gaap	Other Sundry Liabilities Current OtherSundryLiabilitiesCurrent	37400000	usd
CY2022Q4	us-gaap	Other Sundry Liabilities Current OtherSundryLiabilitiesCurrent	30800000	usd
CY2023Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	155200000	usd
CY2022Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	183800000	usd
CY2012Q4	wst	Debt Instrument Number Of Tranches DebtInstrumentNumberOfTranches	3	tranche
CY2023	us-gaap	Interest Expense Debt InterestExpenseDebt	14800000	usd
CY2022	us-gaap	Interest Expense Debt InterestExpenseDebt	11600000	usd
CY2021	us-gaap	Interest Expense Debt InterestExpenseDebt	10200000	usd
CY2023Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	134000000	usd
CY2023Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	0	usd
CY2023Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	0	usd
CY2023Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	73000000	usd
CY2023Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	0	usd
CY2023Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal After Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive	0	usd
CY2023	us-gaap	Gain Loss On Fair Value Hedges Recognized In Earnings GainLossOnFairValueHedgesRecognizedInEarnings	1400000	usd
CY2022	us-gaap	Gain Loss On Fair Value Hedges Recognized In Earnings GainLossOnFairValueHedgesRecognizedInEarnings	-5200000	usd
CY2021	us-gaap	Gain Loss On Fair Value Hedges Recognized In Earnings GainLossOnFairValueHedgesRecognizedInEarnings	-3000000.0	usd
CY2023Q4	us-gaap	Deferred Compensation Plan Assets DeferredCompensationPlanAssets	10200000	usd
CY2023Q4	us-gaap	Foreign Currency Contract Asset Fair Value Disclosure ForeignCurrencyContractAssetFairValueDisclosure	5000000.0	usd
CY2023Q4	us-gaap	Assets Fair Value Disclosure AssetsFairValueDisclosure	34200000	usd
CY2023Q4	us-gaap	Business Combination Contingent Consideration Liability BusinessCombinationContingentConsiderationLiability	3600000	usd
CY2023Q4	us-gaap	Other Deferred Compensation Arrangements Liability Classified Noncurrent OtherDeferredCompensationArrangementsLiabilityClassifiedNoncurrent	10400000	usd
CY2023Q4	us-gaap	Liabilities Fair Value Disclosure LiabilitiesFairValueDisclosure	16200000	usd
CY2022Q4	us-gaap	Deferred Compensation Plan Assets DeferredCompensationPlanAssets	12500000	usd
CY2022Q4	us-gaap	Foreign Currency Contract Asset Fair Value Disclosure ForeignCurrencyContractAssetFairValueDisclosure	4500000	usd
CY2022Q4	us-gaap	Assets Fair Value Disclosure AssetsFairValueDisclosure	32100000	usd
CY2022Q4	us-gaap	Business Combination Contingent Consideration Liability BusinessCombinationContingentConsiderationLiability	4700000	usd
CY2022Q4	us-gaap	Other Deferred Compensation Arrangements Liability Classified Noncurrent OtherDeferredCompensationArrangementsLiabilityClassifiedNoncurrent	12700000	usd
CY2022Q4	us-gaap	Liabilities Fair Value Disclosure LiabilitiesFairValueDisclosure	18800000	usd
CY2023Q4	us-gaap	Long Term Debt Fair Value LongTermDebtFairValue	70800000	usd
CY2023Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	72800000	usd
CY2022Q4	us-gaap	Long Term Debt Fair Value LongTermDebtFairValue	201800000	usd
CY2022Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	206700000	usd
CY2021	us-gaap	Oci Before Reclassifications Net Of Tax Attributable To Parent OciBeforeReclassificationsNetOfTaxAttributableToParent	-52400000	usd
CY2021	us-gaap	Reclassification From Aoci Current Period Net Of Tax Attributable To Parent ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent	-3400000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-49000000.0	usd
CY2022	us-gaap	Oci Before Reclassifications Net Of Tax Attributable To Parent OciBeforeReclassificationsNetOfTaxAttributableToParent	-56000000.0	usd
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$WST
WEST PHARMACEUTICAL SERVICES INC Stock $wst

2024 Q1 Form 10-K Financial Statement

#000010577024000015 Filed on February 20, 2024

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$WST WEST PHARMACEUTICAL SERVICES INC Stock $wst

2024 Q1 Form 10-K Financial Statement

#000010577024000015 Filed on February 20, 2024

Income Statement

Balance Sheet

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Facts In Submission

Files In Submission

$WST
WEST PHARMACEUTICAL SERVICES INC Stock $wst