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EMPLOYEE BENEFIT PLANS - Share-Based Incentive Plans (Narrative) (Details)
1 Months Ended 3 Months Ended
Oct. 19, 2017
shares
Aug. 31, 2015
Jun. 30, 2024
USD ($)
director
$ / shares
Jun. 30, 2023
USD ($)
director
$ / shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Excess tax benefits recorded | $     $ 21,921,000 $ 7,299,000
Compensation expenses | $     33,071,000 39,409,000
Unrecognized compensation cost | $     $ 412,184,000 $ 479,580,000
Unrecognized compensation cost, period for recognition     2 years 7 months 6 days 3 years 8 months 12 days
Increase (reduction) to common stock available for issuance (in shares) 12,200,000      
Common stock available for issuance (in shares) 8,000,000.0      
Increase (reduction) to common stock available for issuance (in shares) (12,200,000)      
Annual increase to number of shares available for issuance (as a percent) 6.00%      
2016 Incentive Plan | Restricted Stock        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Award vesting period   4 years    
2016 Incentive Plan | Director | Restricted Stock        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of independent director recipients | director     6 6
Aggregate shares granted, price per share (in dollars per share) | $ / shares     $ 134.08 $ 87.60
Class A Common Stock | April 1, 2018 | Amended And Restated 2016 Incentive Award Plan        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Increase (reduction) to common stock available for issuance (in shares) (6,540,659)      
Increase (reduction) to common stock available for issuance (in shares) 6,540,659      
Common Class B | April 1, 2018 | Amended And Restated 2016 Incentive Award Plan        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Increase (reduction) to common stock available for issuance (in shares) (6,540,659)      
Increase (reduction) to common stock available for issuance (in shares) 6,540,659