DEBT - Summary of Interest Expense (Detail) - 7.50% Convertible Senior Note due March 1, 2024 - SPHG Holdings - USD ($) $ in Thousands	12 Months Ended
	Jul. 31, 2022	Jul. 31, 2021
Interest Expense, Debt [Line Items]
Debt instrument, interest expense	$ 2,840	$ 2,426
Interest expense related to contractual interest coupon
Interest Expense, Debt [Line Items]
Debt instrument, interest expense	1,136	1,136
Interest expense related to accretion of the discount
Interest Expense, Debt [Line Items]
Debt instrument, interest expense	$ 1,704	$ 1,290