XML 73 R56.htm IDEA: XBRL DOCUMENT v3.25.0.1
Summary of Significant Accounting Policies - Schedule of Components of Accumulated Other Comprehensive Income (Details) - USD ($)
$ in Millions
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Accumulated other comprehensive income, net of tax $ 858.5 $ 949.1 $ 1,179.3 $ 682.2
Accumulated other comprehensive income, net of tax        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Accumulated other comprehensive income, net of tax 13.1 39.1 $ (95.4) $ (119.0)
Accumulated pension and OPEB liability adjustments        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Accumulated other comprehensive loss, income tax expense (benefit) 4.7 4.3    
Accumulated other comprehensive income, net of tax (20.7) (20.3)    
Accumulated unrealized gain on derivative instruments        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Accumulated other comprehensive loss, income tax expense (benefit) 10.2 (12.8)    
Accumulated other comprehensive income, net of tax 19.9 27.9    
Accumulated unrealized foreign currency translation adjustments        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Accumulated other comprehensive loss, income tax expense (benefit) 14.6 14.6    
Accumulated other comprehensive income, net of tax $ 13.9 $ 31.5