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INCOME TAXES - Income before Income taxes (Details) - USD ($)
$ in Thousands
12 Months Ended
Aug. 31, 2020
Aug. 31, 2019
Income Tax Disclosure [Abstract]    
Pre-tax loss $ (77,872) $ (39,509)
Foreign pre-tax income 187 0
Loss before income taxes (benefit) $ (77,685) $ (39,509)