ACCRUED EXPENSES AND OTHER CURRENT LIABILITIES - Components of Accrued Expenses (Detail) - USD ($) $ in Thousands	Jan. 31, 2021	Jul. 31, 2020
Payables and Accruals [Abstract]
Accrued taxes	$ 63,521	$ 60,744
Accrued compensation	22,375	25,439
Accrued worker's compensation	2,539	3,949
Accrued audit, tax and legal	3,290	3,399
Accrued contract labor	1,395	981
Accrued interest	476	476
Accrued other	17,655	16,392
Accrued expenses	$ 111,251	$ 111,380