INCOME TAXES - Components of Income Tax Expense (Detail) - USD ($) $ in Thousands	12 Months Ended
	Jul. 31, 2019	Jul. 31, 2018
Income Tax Disclosure [Abstract]
Income tax expense (benefit) from operations	$ 4,670	$ (71,202)
Total income tax expense (benefit)	$ 4,670	$ (71,202)