REVENUE RECOGNITION - Additional Information (Detail) - USD ($) $ in Thousands	Oct. 31, 2021	Jul. 31, 2021	Oct. 31, 2020	Jul. 31, 2020
Revenue from Contract with Customer [Abstract]
Accounts receivable, trade, net	$ 74,841	$ 69,805
Contract assets	11,657	14,458
Deferred revenue - current	2,735	2,562
Deferred revenue - long-term	126	108
Total deferred revenue	$ 2,861	$ 2,670	$ 3,188	$ 2,945