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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Summary of Foreign Currency Gains (Losses)) (Details) - USD ($)
$ in Thousands
12 Months Ended
Aug. 31, 2020
Aug. 31, 2019
Aug. 31, 2018
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES [Abstract]      
Currency gain (loss) $ (1,370) $ (1,476) $ 192