SEGMENT INFORMATION - Summarized Financial Information of Net Revenue by Geographical Location (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Jul. 31, 2022	Jul. 31, 2021	Jul. 31, 2022	Jul. 31, 2021
Segment Reporting Information [Line Items]
Net revenue	$ 203,272	$ 226,256	$ 203,272	$ 226,256
United States
Segment Reporting Information [Line Items]
Net revenue			50,426	60,743
Mainland China
Segment Reporting Information [Line Items]
Net revenue			72,210	71,307
Netherlands
Segment Reporting Information [Line Items]
Net revenue			24,483	25,384
Other
Segment Reporting Information [Line Items]
Net revenue			$ 56,153	$ 68,822