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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, 2020
Aug. 31, 2019
Aug. 31, 2018
STOCK BASED COMPENSATION [Abstract]      
Grants outstanding at beginning of period 362,826 385,417 404,368
Granted 266,759 193,489 132,031
Forfeited (43,198) (16,127) (23,119)
Vested (170,518) (199,953) (127,863)
Grants outstanding at end of period 415,869 362,826 385,417