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Financial Instruments and Risk Management (Hedging Instruments Recorded in AOCI) (Details) - Currency risk - Fair value hedges - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Reconciliation of changes in allowance account for credit losses of financial assets [abstract]    
Balance, beginning of the period $ (1.9) $ 4.0
Change in value on currency instruments 18.1 (8.5)
Deferred income tax related to hedging instrument (2.7) 1.5
Balance, end of period (6.4) (1.9)
CAD Currency Instruments    
Reconciliation of changes in allowance account for credit losses of financial assets [abstract]    
Change in value on currency instruments 1.0 5.0
MXN Currency Instruments    
Reconciliation of changes in allowance account for credit losses of financial assets [abstract]    
Change in value on currency instruments $ (8.1) $ (3.9)