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Other Comprehensive Income (Loss) - Schedule of Components of Accumulated Other Comprehensive Loss (Details) - USD ($)
$ in Millions
Mar. 31, 2024
Dec. 31, 2023
Mar. 31, 2023
Dec. 31, 2022
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Accumulated other comprehensive income, net of tax $ 906.9 $ 949.1 $ 1,159.3 $ 1,179.3
Accumulated other comprehensive income, net of tax        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Accumulated other comprehensive income, net of tax 32.6 39.1 $ (87.9) $ (95.4)
Accumulated pension and OPEB liability adjustments        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Accumulated other comprehensive loss, income tax benefit 4.3 4.3    
Accumulated other comprehensive income, net of tax (19.9) (20.3)    
Accumulated unrealized gain on derivative instruments        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Accumulated other comprehensive loss, income tax benefit (14.4) (12.8)    
Accumulated other comprehensive income, net of tax 30.2 27.9    
Accumulated unrealized foreign currency translation adjustments        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Accumulated other comprehensive loss, income tax benefit 14.4 14.6    
Accumulated other comprehensive income, net of tax $ 22.3 $ 31.5