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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, 2019
Aug. 31, 2018
Aug. 31, 2017
STOCK BASED COMPENSATION [Abstract]      
Grants outstanding at beginning of period 385,417 404,368 509,880
Granted 193,489 132,031 56,724
Forfeited (16,127) (23,119) (40,023)
Vested (199,953) (127,863) (122,213)
Grants outstanding at end of period 362,826 385,417 404,368