v3.25.1
Financial Instruments and Risk Management (Effect of Derivative Instruments on the Condensed Consolidated Balance Sheets Fair Values of Derivative Instruments Derivatives Not Designated As Hedging Instrument) (Details) - USD ($)
$ in Millions
Mar. 31, 2025
Dec. 31, 2024
Derivatives, Fair Value [Line Items]    
Fair value of financial instruments $ 152.7 $ 261.6
Fair value of financial instruments 182.2 125.8
Not Designated as Hedging Instruments    
Derivatives, Fair Value [Line Items]    
Fair value of financial instruments 134.5 198.3
Fair value of financial instruments 173.4 125.8
Not Designated as Hedging Instruments | Prepaid expenses and other current assets | Foreign currency forward contracts    
Derivatives, Fair Value [Line Items]    
Fair value of financial instruments 134.5 198.3
Not Designated as Hedging Instruments | Other current liabilities | Foreign currency forward contracts    
Derivatives, Fair Value [Line Items]    
Fair value of financial instruments 173.4 125.8
Designated as Hedging Instrument    
Derivatives, Fair Value [Line Items]    
Fair value of financial instruments 18.2 63.3
Fair value of financial instruments 8.8 0.0
Designated as Hedging Instrument | Prepaid expenses and other current assets | Interest rate swaps    
Derivatives, Fair Value [Line Items]    
Fair value of financial instruments 4.2 24.1
Designated as Hedging Instrument | Prepaid expenses and other current assets | Foreign exchange forward contracts    
Derivatives, Fair Value [Line Items]    
Fair value of financial instruments 14.0 39.2
Designated as Hedging Instrument | Other current liabilities | Interest rate swaps    
Derivatives, Fair Value [Line Items]    
Fair value of financial instruments 5.4 0.0
Designated as Hedging Instrument | Other current liabilities | Foreign exchange forward contracts    
Derivatives, Fair Value [Line Items]    
Fair value of financial instruments $ 3.4 $ 0.0