v3.25.4
ACCUMULATED OTHER COMPREHENSIVE LOSS - OCI and tax effects (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Pre-Tax Amount      
Other comprehensive income (loss) $ 89.6 $ (53.7) $ (1.5)
Tax (Expense) Benefit      
Other comprehensive income (loss) 0.2 (0.1) 0.6
Net-of-Tax Amount      
Other comprehensive income (loss) 89.8 (53.8) (0.9)
Foreign Currency      
Pre-Tax Amount      
Unrealized foreign currency translation adjustment 94.8 (55.5) 0.5
Tax (Expense) Benefit      
Unrealized foreign currency translation adjustment 0.2 (0.1) 0.6
Net-of-Tax Amount      
Unrealized foreign currency translation adjustment 95.0 (55.6) 1.1
Other comprehensive income (loss) 95.0 (55.6)  
Pension and other benefit adjustments      
Pre-Tax Amount      
Unrealized foreign currency translation adjustment (5.2) 1.8 (2.0)
Net-of-Tax Amount      
Unrealized foreign currency translation adjustment $ (5.2) $ 1.8 $ (2.0)