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INCOME TAXES - Components of Loss from Continuing Operations before Provision for Income Taxes (Detail) - USD ($)
$ in Thousands
12 Months Ended
Jul. 31, 2020
Jul. 31, 2019
Income Tax Disclosure [Abstract]    
U.S. $ (9,168) $ (68,959)
Foreign 9,801 6,860
Income (loss) before income taxes $ 633 $ (62,099)