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, 2022	Dec. 31, 2021
Derivatives, Fair Value [Line Items]
Assets	$ 12.1	$ 24.7
Liabilities	954.0	1,049.5
Designated as hedging instrument | Foreign currency forward contracts | Accrued liabilities
Derivatives, Fair Value [Line Items]
Liabilities	0.8	5.5
Not designated as hedging instrument | Foreign currency forward contracts | Prepaid expenses and other assets
Derivatives, Fair Value [Line Items]
Assets	0.1
Cash flow hedge | Designated as hedging instrument | Cross-currency swap | Prepaid expenses and other assets
Derivatives, Fair Value [Line Items]
Assets	4.7	24.7
Cash flow hedge | Designated as hedging instrument | Foreign currency forward contracts | Accrued liabilities
Derivatives, Fair Value [Line Items]
Liabilities	0.5	0.2
Fair Value Hedge | Designated as hedging instrument | Cross-currency swap | Prepaid expenses and other assets
Derivatives, Fair Value [Line Items]
Assets	7.3
Net Investment Hedging | Designated as hedging instrument | Cross-currency swap | Accrued liabilities
Derivatives, Fair Value [Line Items]
Liabilities	12.3	24.2
Net Investment Hedging | Designated as hedging instrument | Euro Notes Due in 2022 | Short-term Borrowings And Current Maturities Of Long-term Debt [Member]
Derivatives, Fair Value [Line Items]
Liabilities	419.2	454.4
Net Investment Hedging | Designated as hedging instrument | Euro Notes due in 2026 | Long-term debt
Derivatives, Fair Value [Line Items]
Liabilities	$ 521.2	$ 565.2