v3.25.2
ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAX (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Beginning balance $ 1,556.8 $ 1,709.3 $ 1,896.0 $ 1,771.0
Ending balance 1,757.9 1,798.6 1,757.9 1,798.6
Translation adjustments        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Beginning balance (34.8) (31.4) (35.5) (28.1)
Reclassification of net loss (gain) 4.3 (2.1) 5.0 (5.4)
Ending balance (30.5) (33.5) (30.5) (33.5)
Employment benefit        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Beginning balance 22.9 27.4 25.9 27.9
Net gain (loss) before reclassifications (2.6) 0.0 (5.0) 0.0
Reclassification of net loss (gain) (0.5) (0.5) (1.1) (1.0)
Ending balance 19.8 26.9 19.8 26.9
Accumulated other comprehensive income (loss)        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Beginning balance (15.7) [1] (4.0) [2] (17.6) [1] (0.2) [2]
Ending balance (0.9) [1] (11.9) [2] (0.9) [1] (11.9) [2]
Foreign Exchange Derivatives | Cash flow hedge        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Beginning balance (3.1) (3.7) (9.4) 0.0
Net gain (loss) before reclassifications 18.6 (10.5) 21.2 (20.1)
Reclassification of net loss (gain) (3.4) 4.3 0.3 10.2
Ending balance 12.1 (9.9) 12.1 (9.9)
Interest rate swaps | Cash flow hedge        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Beginning balance (0.7) 3.7 1.4 0.0
Net gain (loss) before reclassifications (1.0) 1.4 (2.6) 5.6
Reclassification of net loss (gain) (0.6) (0.5) (1.1) (1.0)
Ending balance $ (2.3) $ 4.6 $ (2.3) $ 4.6
[1] Accumulated other comprehensive income (loss) is net of tax (see note 10).
[2] Accumulated other comprehensive income (loss) is net of tax (see note 10).