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STOCK BASED COMPENSATION (Summary of Restricted Stock Awards and Units Activity) (Details) - shares
shares in Thousands
12 Months Ended
Aug. 31, 2016
Aug. 31, 2015
Aug. 31, 2014
STOCK BASED COMPENSATION [Abstract]      
Grants outstanding at beginning of period 366,021 488,416 623,424
Granted 276,530 36,382 14,828
Forfeited (1,372) (10,738) (2,669)
Vested (131,299) (148,039) (147,167)
Grants outstanding at end of period 509,880 366,021 488,416