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Postretirement and Other Benefits - Net Pension Benefit Costs (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Pension Benefits | United States      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Service cost $ 1.6 $ 0.9 $ 0.0
Interest cost 17.7 9.3 2.8
Expected return on plan assets (22.1) (11.9) (3.9)
Amortizations and other 0.0 1.7 3.2
Net periodic benefit cost (benefit) (2.8) 0.0 2.1
Pension Benefits | Non-U.S.      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Service cost 1.0 0.7 0.3
Interest cost 8.4 4.4 2.5
Expected return on plan assets (4.3) (4.3) (2.7)
Amortizations and other 0.4 0.4 0.0
Net periodic benefit cost (benefit) 5.5 1.2 $ 0.1
Other Postretirement Benefits | United States      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Service cost 0.2 0.1  
Interest cost 1.2 0.6  
Expected return on plan assets 0.0 0.0  
Amortizations and other 0.0 0.0  
Net periodic benefit cost (benefit) 1.4 0.7  
Other Postretirement Benefits | Non-U.S.      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Service cost 1.2 0.4  
Interest cost 0.1 0.0  
Expected return on plan assets 0.0 0.0  
Amortizations and other 0.1 0.2  
Net periodic benefit cost (benefit) $ 1.4 $ 0.6