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Postretirement and Other Benefits - Schedule of Components of Net Pension Cost (Benefit) (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Pension Benefits | U.S.        
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]        
Service cost $ 0.2 $ 0.4 $ 0.8 $ 1.0
Interest cost 4.1 4.2 12.8 12.7
Expected return on plan assets (4.6) (5.6) (14.3) (16.8)
Amortizations and other 0.0 0.0 0.0 0.0
Settlement loss 3.6 0.0 3.6 0.0
Net pension cost (benefit) 3.3 (1.0) 2.9 (3.1)
Pension Benefits | Non-U.S.        
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]        
Service cost 0.3 0.3 0.8 0.9
Interest cost 2.0 2.3 6.0 6.7
Expected return on plan assets (1.3) (1.6) (3.9) (4.6)
Amortizations and other 0.0 0.0 0.0 0.0
Settlement loss 0.0 0.0 0.0 0.0
Net pension cost (benefit) 1.0 1.0 2.9 3.0
Other Post-employment Plans | U.S.        
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]        
Service cost 0.0 0.0 0.1 0.1
Interest cost 0.3 0.3 0.7 0.8
Expected return on plan assets 0.0 0.0 0.0 0.0
Amortizations and other 0.0 0.0 0.0 0.0
Settlement loss 0.0 0.0 0.0 0.0
Net pension cost (benefit) 0.3 0.3 0.8 0.9
Other Post-employment Plans | Non-U.S.        
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]        
Service cost 0.3 0.3 0.9 0.9
Interest cost 0.1 0.0 0.1 0.1
Expected return on plan assets 0.0 0.0 0.0 0.0
Amortizations and other 0.0 0.0 0.0 0.0
Settlement loss 0.0 0.0 0.0 0.0
Net pension cost (benefit) $ 0.4 $ 0.3 $ 1.0 $ 1.0