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Derivative Financial Instruments and Fair Value Measurements - Additional Information (Details) € in Millions, $ in Millions				6 Months Ended
	Sep. 26, 2024 USD ($)	Apr. 18, 2024 USD ($)	Jun. 09, 2022 USD ($)	Jun. 30, 2025 USD ($)	Jun. 30, 2024 USD ($)	Jun. 30, 2025 EUR (€)	Dec. 31, 2024 USD ($)	Sep. 26, 2024 EUR (€)	Jun. 09, 2022 EUR (€)	Mar. 31, 2022 EUR (€)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Net cash inflow				$ (34.0)	$ (21.6)
Forward agreement gain/loss			$ 2.0
Non cash impairment charges goodwill				445.1			$ 486.1
Fair Value Measurements Nonrecurring Basis | Switzerland
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Non cash impairment charges goodwill				188.1
Fair Value Measurements Nonrecurring Basis | United Kingdom
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Non cash impairment charges goodwill				214.8
Quoted Prices in Active Markets for Identical Assets (Level 1) | Fair value measured on a recurring basis
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Deferred compensation plan assets				178.3			165.4
Cash flow hedge
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Principal amount | €									€ 400.0
Forward agreement notional amount | €									€ 300.0
Forward agreement interest rate									1.936%
Derivatives Notes Repay | €									€ 400.0
Forward agreement maturity date			Sep. 30, 2022
Fair Value Hedge
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Principal amount | €								€ 63.6		€ 236.9
Net cash inflow	$ 1.6	$ 14.9
Euro-denominated notes | Estimate of fair value measurement | Significant Other Observable Inputs (Level 2)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Carrying value of long-term debt				1,065.9			928.5
Euro-denominated notes | Carrying value | Significant Other Observable Inputs (Level 2)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Carrying value of long-term debt				1,058.1			$ 928.4
Cross-currency swap | Fair Value Hedge
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Interest rate (as a percent)								3.27%		3.45%
Designated as hedging instrument | Notes due June 2027 | Euro-denominated notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Principal amount				469.5		€ 400.0
Designated as hedging instrument | Notes Due June 2026 | Euro-denominated notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Principal amount				$ 588.6		€ 500.0

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