v3.26.1
Postretirement and Other Benefits - Schedule of Components of Net Pension Cost (Benefit) (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Pension Benefits | United States        
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]        
Service cost $ 0.3 $ 0.3 $ 0.5 $ 0.6
Interest cost 3.3 4.3 6.6 8.7
Expected return on plan assets (4.2) (4.8) (8.2) (9.7)
Amortizations and other 0.0 0.0 0.0 0.0
Net pension cost (benefit) (0.6) (0.2) (1.1) (0.4)
Pension Benefits | Non-U.S.        
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]        
Service cost 0.3 0.2 0.6 0.5
Interest cost 1.9 2.1 3.8 4.0
Expected return on plan assets (1.5) (1.3) (3.1) (2.6)
Amortizations and other 0.1 0.0 0.3 0.0
Net pension cost (benefit) 0.8 1.0 1.6 1.9
Other Post-employment Plans | United States        
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]        
Service cost 0.0 0.1 0.0 0.1
Interest cost 0.3 0.1 0.5 0.4
Expected return on plan assets 0.0 0.0 0.0 0.0
Amortizations and other 0.0 0.0 0.0 0.0
Net pension cost (benefit) 0.3 0.2 0.5 0.5
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 0.6 0.6
Interest cost 0.0 0.0 0.0 0.0
Expected return on plan assets 0.0 0.0 0.0 0.0
Amortizations and other 0.0 0.0 0.0 0.0
Net pension cost (benefit) $ 0.3 $ 0.3 $ 0.6 $ 0.6