ACCRUED EXPENSES AND OTHER CURRENT LIABILITIES - Components of Accrued Expenses (Detail) - USD ($) $ in Thousands	Jul. 31, 2020	Jul. 31, 2019
Payables and Accruals [Abstract]
Accrued taxes	$ 60,744	$ 59,057
Accrued compensation	25,439	22,584
Accrued interest	476	467
Accrued audit, tax and legal	3,399	3,148
Accrued contract labor	981	1,650
Accrued worker's compensation	3,949	4,549
Accrued other	16,392	21,203
Accrued expenses	$ 111,380	$ 112,658