INCOME TAXES - Components of Total Unrecognized Tax Benefits (Details) - USD ($) $ in Thousands	Jul. 31, 2022	Jul. 31, 2021	Jul. 31, 2020	Jul. 31, 2019
Income Tax Disclosure [Abstract]
Unrecognized tax benefits	$ 17,998	$ 17,025	$ 14,238	$ 13,848
Reduction to unrecognized tax benefits which offset tax credit and loss carryforwards	(668)	(725)
Accrued interest and penalties	2,867	2,967
Total unrecognized tax benefits	20,197	19,267
Short-term, included in “Income and other taxes”	2,954	3,423
Long-term	17,243	15,844
Total unrecognized tax benefits	$ 20,197	$ 19,267