REVENUE RECOGNITION - Additional Information (Detail) - USD ($) $ in Thousands	Jan. 31, 2022	Jul. 31, 2021	Jan. 31, 2021	Jul. 31, 2020
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Contract assets	$ 10,530	$ 14,458
Deferred revenue - current	3,560	2,562
Deferred revenue - long-term	85	108
Total deferred revenue	3,645	2,670	$ 5,494	$ 2,945
Accounts receivable, trade, net
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Accounts receivable, trade, net	$ 68,971	$ 69,805