Derivative Financial Instruments and Fair Value Measurements - Fair Value of Derivative and Non-Derivative Assets and Liabilities on the Consolidated Balance Sheets (Details) - USD ($) $ in Millions	Jun. 30, 2026	Dec. 31, 2025
Derivatives, Fair Value [Line Items]
Assets	$ 18.0	$ 14.6
Liabilities	1,115.3	1,742.7
Nondesignated [Member] \| Foreign currency forward contracts
Derivatives, Fair Value [Line Items]
Liabilities	0.0	0.8
Nondesignated [Member] \| Euro Notes due in 2030
Derivatives, Fair Value [Line Items]
Liabilities	0.0	583.8
Cash flow hedge \| Nondesignated [Member] \| Foreign currency forward contracts
Derivatives, Fair Value [Line Items]
Assets	0.1	0.0
Fair Value Hedge \| Designated as hedging instrument \| Cross-currency swap
Derivatives, Fair Value [Line Items]
Assets	15.5	0.0
Fair Value Hedge \| Designated as hedging instrument \| Cross-currency swap \| Prepaid expenses and other assets
Derivatives, Fair Value [Line Items]
Assets	2.4	14.6
Net Investment Hedging \| Designated as hedging instrument \| Cross-currency swap
Derivatives, Fair Value [Line Items]
Liabilities	64.4	69.8
Net Investment Hedging \| Designated as hedging instrument \| Cross-currency swap \| Accrued liabilities
Derivatives, Fair Value [Line Items]
Liabilities	28.0	33.1
Net Investment Hedging \| Designated as hedging instrument \| Euro Notes due in 2026 \| Short-term Borrowings And Current Maturities Of Long-term Debt [Member]
Derivatives, Fair Value [Line Items]
Liabilities	0.0	586.9
Net Investment Hedging \| Designated as hedging instrument \| Euro Notes Due In 2027
Derivatives, Fair Value [Line Items]
Liabilities	455.9
Net Investment Hedging \| Designated as hedging instrument \| Euro Notes Due In 2027 \| Long-term debt
Derivatives, Fair Value [Line Items]
Liabilities	0.0	468.3
Net Investment Hedging \| Designated as hedging instrument \| Euro Notes Due In 2027 \| Other long-term liabilities
Derivatives, Fair Value [Line Items]
Liabilities		0.0
Net Investment Hedging \| Designated as hedging instrument \| Euro Notes due in 2030 \| Other long-term liabilities
Derivatives, Fair Value [Line Items]
Liabilities	$ 567.0	$ 0.0