v3.25.4
ACCUMULATED OTHER COMPREHENSIVE LOSS - Accumulated Other Comprehensive Loss (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Accumulated Other Comprehensive Loss      
Balance at the beginning of the period $ (1,760.5)    
Other comprehensive income (loss) 89.8 $ (53.8) $ (0.9)
Balance at the end of the period (1,894.8) (1,760.5)  
Accumulated Other Comprehensive Loss      
Accumulated Other Comprehensive Loss      
Balance at the beginning of the period (132.0) (78.2)  
Other comprehensive income (loss) 89.8 (53.8)  
Balance at the end of the period (42.2) (132.0) (78.2)
Foreign Currency      
Accumulated Other Comprehensive Loss      
Balance at the beginning of the period (133.3) (77.7)  
Other comprehensive income (loss) 95.0 (55.6)  
Balance at the end of the period (38.3) (133.3) (77.7)
Pension Benefits      
Accumulated Other Comprehensive Loss      
Balance at the beginning of the period 1.3 (0.5)  
Other comprehensive income (loss) (5.2) 1.8  
Balance at the end of the period $ (3.9) $ 1.3 $ (0.5)