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STOCK AWARD PLANS - Narrative (Details) - USD ($)
3 Months Ended
Feb. 03, 2021
May 09, 2019
Mar. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of additional shares authorized (shares)   4,000,000  
Maximum shares that can be granted under stock plan (shares)     17,041,803
Shares available for stock awards (shares)     1,782,168
Stock options      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Unrecognized compensation expense     $ 38,800,000
Stock awards      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Unrecognized compensation expense     $ 157,000,000.0
Stock awards | Minimum      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Discount on outstanding grants (percent)     12.00%
Stock awards | Maximum      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Discount on outstanding grants (percent)     23.00%
Performance-based restricted stock units      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock awards granted (shares) 280,255    
Weighted average grant date fair value (in dollars per share) $ 74.76    
Award vesting period 3 years    
Upside opportunity upon achievement of targets (percent) 200.00%    
Time-based restricted stock units      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock awards granted (shares) 619,689    
Weighted average grant date fair value (in dollars per share) $ 71.28    
Award vesting period 3 years    
1997 Employee Stock Purchase Plan      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Maximum employee contribution to purchase company stock     $ 10,000
Discount rate used to determine the purchase price     15.00%