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INCOME TAX (Narrative) (Details) - USD ($)
$ in Thousands
12 Months Ended
Aug. 31, 2019
Aug. 31, 2018
Aug. 31, 2017
Statutory tax rate 21.00% 25.70% 35.00%
Indefinitely reinvested foreign earnings $ 623,500    
Income taxes (benefit) on discontinued operations 158 $ (34) $ (5,997)
State      
Net operating losses carry forward $ 491,500    
Foreign      
Statutory tax rate 19.00%    
Net operating losses carry forward $ 820,800