XML 77 R60.htm IDEA: XBRL DOCUMENT v3.20.1
STOCK-BASED COMPENSATION PLANS (Narrative) (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 9 Months Ended
May 31, 2020
May 31, 2019
May 31, 2020
May 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock-based compensation expense $ 6,170 $ 7,342 $ 21,975 $ 17,350
Equity method awards        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of shares granted     1,521,000 1,505,000
Weighted average grant-date fair value     $ 18.32 $ 17.75
Liability method awards        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of shares granted     426,000 374,000
Equivalent shares outstanding 781,508   781,508  
Equivalent shares expected to vest 742,433   742,433  
Fiscal 2020 | Restricted Stock Units (RSUs)        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting period in years     3 years  
Fiscal 2020 | Performance Stock Units (PSU)        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting period in years     3 years