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STOCK-BASED COMPENSATION - Equity Awards (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Millions
3 Months Ended 12 Months Ended
Dec. 31, 2024
Sep. 30, 2024
Jun. 30, 2024
Mar. 31, 2024
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Employee Stock Option              
STOCK-BASED COMPENSATION              
Weighted-average grant-date fair value of options granted (in dollars per share)         $ 21.4 $ 18.28 $ 11.74
Total intrinsic value of options exercised         $ 83.1 $ 333.5 $ 68.2
Cash received from option exercises         79.0 $ 130.3 $ 64.0
Total unrecognized compensation expense related to non-vested shares granted to employees $ 151.8       $ 151.8    
Cost expected to be recognized over a weighted-average period         3 years 1 month 6 days    
Stock units expected to vest (in shares) 26,124       26,124    
Restricted Stock Units, and Performance Share Units              
STOCK-BASED COMPENSATION              
Total unrecognized compensation expense related to non-vested shares granted to employees $ 36.4       $ 36.4    
Cost expected to be recognized over a weighted-average period         1 year 6 months    
Stock units expected to vest (in shares) 1,200       1,200    
Number of Shares              
Non-vested at the beginning of the period (in shares)       1,964 1,964    
Granted (in shares) 2 32 27 502      
Vested (in shares)         (829)    
Forfeited/cancelled (in shares)         (16)    
Non-vested at the end of the period (in shares) 1,682       1,682 1,964  
Weighted Average Grant-Date Fair Value              
Non-vested at the beginning of the period (in dollars per share)       $ 40.95 $ 40.95    
Granted (in dollars per share) $ 49.24 $ 48.4 $ 49.12 $ 57.04      
Vested (in dollars per share)         40.71    
Forfeited/cancelled (in dollars per share)         39.55    
Non-vested at the end of the period (in dollars per share) $ 46.16       46.16 $ 40.95  
Restricted Stock Units, and/or Performance Share Units              
Weighted Average Grant-Date Fair Value              
Granted (in dollars per share)         $ 58.77 $ 51.24 $ 37.13
Performance Share Units              
STOCK-BASED COMPENSATION              
Percentage of target performance         100.00%    
Performance Share Units | Minimum              
STOCK-BASED COMPENSATION              
Percentage of target performance         0.00%    
Performance Share Units | Maximum              
STOCK-BASED COMPENSATION              
Percentage of target performance         200.00%    
Other Share-Based Awards              
STOCK-BASED COMPENSATION              
Total unrecognized compensation expense related to non-vested shares granted to employees $ 0.0       $ 0.0