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STOCK-BASED COMPENSATION PLANS (Stock-Based Awards Granted) (Details) - shares
12 Months Ended
Aug. 31, 2018
Aug. 31, 2017
Aug. 31, 2016
Restricted Stock Awards/Units      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Granted, number 667,341 1,303,976 1,137,000
Performance Awards      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Granted, number 367,514 576,286 540,295