v3.26.1
ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Beginning balance $ 4,244.9 $ 2,666.4 $ 3,941.3 $ 2,434.3
Other comprehensive income (loss) and unrealized gain (loss) 11.0 120.4 (83.4) 194.0
Realized gain (loss) recognized during the period   8.2   16.5
Ending balance 4,757.6 3,125.4 4,757.6 3,125.4
Interest rate swaps        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Realized gain (loss) recognized during the period     22.9  
Tax effect     25.6  
Foreign currency exchange forwards        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Tax effect 0.9 3.1 2.1 4.9
Accumulated Other Comprehensive Income (Loss)        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Beginning balance (76.2) (75.2) 18.2 (148.8)
Ending balance (65.2) 45.2 (65.2) 45.2
Foreign Currency Translation        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Beginning balance (69.4) (126.8) (29.1) (203.9)
Other comprehensive income (loss) and unrealized gain (loss) 8.2 116.8 (32.1) 193.9
Ending balance (61.2) (10.0) (61.2) (10.0)
Tax effect 0.0 0.0 0.0 0.3
Interest Rate Swap        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Tax effect   2.0   4.9
Interest Rate Swap | Interest rate swaps        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Beginning balance 0.0 64.9 47.2 74.6
Other comprehensive income (loss) and unrealized gain (loss) 0.0 (6.6) 1.3 (16.3)
Realized gain (loss) recognized during the period 0.0 0.0 (48.5) 0.0
Ending balance 0.0 58.3 0.0 58.3
Interest Rate Swap | Foreign currency exchange forwards        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Beginning balance 3.9 (6.4) 10.5 (12.6)
Other comprehensive income (loss) and unrealized gain (loss) 3.0 10.0 (3.6) 16.2
Ending balance 6.9 3.6 6.9 3.6
Pension        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Beginning balance (10.7) (6.9) (10.4) (6.9)
Other comprehensive income (loss) and unrealized gain (loss) (0.2) 0.2 (0.5) 0.2
Ending balance $ (10.9) $ (6.7) $ (10.9) $ (6.7)