v3.25.2
PENSION PLANS AND OTHER POSTRETIREMENT BENEFITS - Net Periodic Benefit Costs (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Dec. 31, 2024
Net periodic benefit cost          
Benefit obligations $ 206.3   $ 206.3   $ 183.3
Cash contributions and benefit payments to unfunded plans 1.7   3.9    
Additional cash contributions, including benefit payments to unfunded plans 6.4   6.4    
Defined Benefit Pension Plans | Non-U.S. Plans          
Net periodic benefit cost          
Service cost 1.9 $ 1.9 3.6 $ 4.0  
Interest cost 1.6 2.4 3.0 4.8  
Expected return on plan assets (0.1) (0.9) (0.2) (1.9)  
Amortization of prior service credit (0.1) (0.1) (0.1) (0.2)  
Amortization of net gain (0.5) (0.3) (1.0) (0.6)  
Settlement and curtailment gain (0.7)   (0.7)    
Net periodic benefit cost 2.1 3.0 4.6 6.1  
Defined Benefit Pension Plans | U.S. Plans          
Net periodic benefit cost          
Service cost 0.1 0.1 0.3 0.2  
Interest cost 0.1 0.2 0.3 0.4  
Expected return on plan assets (0.3) (0.2) (0.6) (0.4)  
Settlement and curtailment gain (0.1)   (0.1)    
Net periodic benefit cost (0.2) 0.1 (0.1) 0.2  
Other Postretirement Benefit Plans | Maximum          
Net periodic benefit cost          
Net periodic benefit cost $ 0.8 $ 0.8 $ 0.8 $ 0.8