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STOCK BASED COMPENSATION (Summary of Restricted Stock Awards and Units Activity) (Details) - shares
shares in Thousands
9 Months Ended
May 31, 2016
May 31, 2015
STOCK BASED COMPENSATION [Abstract]    
Grants outstanding at beginning of period 366,021 488,416
Granted 258,133 27,607
Forfeited (747) (9,618)
Vested (87,090) (142,370)
Grants outstanding at end of period 536,317 364,035