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STOCK-BASED COMPENSATION PLANS (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 9 Months Ended
May 31, 2022
May 31, 2021
May 31, 2020
May 31, 2022
May 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Vesting period in years       3 years  
Share-based compensation expense $ 0 $ 3,200   $ 0 $ 5,000
Stock-based compensation $ 11,986   $ 13,800 $ 37,856 $ 35,558
Equity method awards          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Number of shares granted       1,467,000 1,512,000
Weighted average grant-date fair value       $ 28.16 $ 20.51
Liability method awards          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Number of shares granted       261,000 324,000
Equivalent shares outstanding 591,483     591,483  
Equivalent shares expected to vest 561,908     561,908