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Pension and Other Postretirement Benefits - Contributions to Plans (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]    
Contributions to pension and other postretirement plans $ 5.5 $ 2.4
Pensions    
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]    
Contributions to pension and other postretirement plans 4.6 1.2
Pensions | Non-U.S.    
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]    
Contributions to pension and other postretirement plans 0.3 0.1
Other postretirement benefits    
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]    
Contributions to pension and other postretirement plans 0.9 1.2
U.S. qualified pension plan | Pensions | U.S.    
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]    
Contributions to pension and other postretirement plans 0.0 0.0
U.S. nonqualified pension plan | Pensions | U.S.    
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]    
Contributions to pension and other postretirement plans $ 4.3 $ 1.1