v3.25.2
ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) - Components (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]        
Balance at beginning of period $ (679.2) $ (348.0) $ (619.9) $ (268.0)
Balance at end of period (750.3) (413.8) (750.3) (413.8)
Cumulative Translation Adjustments        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Balance at beginning of period (150.7) (153.7) (170.2) (141.9)
Other comprehensive income (loss) 32.3 (4.4) 51.8 (16.2)
Balance at end of period (118.4) (158.1) (118.4) (158.1)
Pension & Other Postretirement Benefit Plans, Net        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Balance at beginning of period 20.3 16.7 20.9 17.1
Other comprehensive income (loss) 1.7   1.7  
Amounts reclassified from AOCI to net income (loss) (1.5) (0.4) (2.1) (0.8)
Balance at end of period 20.5 16.3 20.5 16.3
Cash Flow Hedges, Net        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Balance at beginning of period 7.2 (0.4) 7.2 (4.8)
Other comprehensive income (loss) (1.2) 2.3 (1.5) 2.4
Amounts reclassified from AOCI to net income (loss) 0.7 2.5 1.0 6.8
Balance at end of period 6.7 4.4 6.7 4.4
Accumulated Other Comprehensive Income (Loss)        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Balance at beginning of period (123.2) (137.4) (142.1) (129.6)
Other comprehensive income (loss) 32.8 (2.1) 52.0 (13.8)
Amounts reclassified from AOCI to net income (loss) (0.8) 2.1 (1.1) 6.0
Balance at end of period $ (91.2) $ (137.4) $ (91.2) $ (137.4)