v3.26.3
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
3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Dec. 31, 2025
Derivatives, Fair Value [Line Items]          
Fair value of financial instruments $ 107.2   $ 107.2   $ 84.2
Fair value of financial instruments 96.3   96.3   169.3
Fair value of financial instruments 87.8   87.8   166.6
Net other comprehensive earnings (loss), before tax 5.6 $ (40.8) (90.1) $ 380.7  
Gains and Losses on Net Investment Hedges          
Derivatives, Fair Value [Line Items]          
Net other comprehensive earnings (loss), before tax     103.4 $ (503.6)  
Not Designated as Hedging Instruments          
Derivatives, Fair Value [Line Items]          
Fair value of financial instruments 96.2   96.2   77.7
Fair value of financial instruments 65.9   65.9   95.0
Not Designated as Hedging Instruments | Balance Sheet Location [Axis]: us-gaap:OtherLiabilitiesCurrent | Foreign currency forward contracts          
Derivatives, Fair Value [Line Items]          
Fair value of financial instruments 65.9   65.9   95.0
Not Designated as Hedging Instruments | Balance Sheet Location [Axis]: us-gaap:PrepaidExpenseAndOtherAssetsCurrent | Foreign currency forward contracts          
Derivatives, Fair Value [Line Items]          
Fair value of financial instruments 96.2   96.2   77.7
Designated as Hedging Instrument          
Derivatives, Fair Value [Line Items]          
Fair value of financial instruments 11.0   11.0   6.5
Fair value of financial instruments 30.4   30.4   74.3
Designated as Hedging Instrument | Interest rate swaps          
Derivatives, Fair Value [Line Items]          
Fair value of financial instruments         50.1
Designated as Hedging Instrument | Balance Sheet Location [Axis]: us-gaap:OtherLiabilitiesCurrent | Foreign exchange forward contracts          
Derivatives, Fair Value [Line Items]          
Fair value of financial instruments 21.9   21.9   21.5
Designated as Hedging Instrument | Balance Sheet Location [Axis]: us-gaap:OtherLiabilitiesNoncurrent | Foreign exchange forward contracts          
Derivatives, Fair Value [Line Items]          
Fair value of financial instruments 8.5   8.5   2.7
Designated as Hedging Instrument | Balance Sheet Location [Axis]: us-gaap:PrepaidExpenseAndOtherAssetsCurrent | Foreign exchange forward contracts          
Derivatives, Fair Value [Line Items]          
Fair value of financial instruments $ 11.0   $ 11.0   $ 6.5