LEASES - Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	6 Months Ended
	Jan. 31, 2022	Jan. 31, 2021
Cash paid for amounts included in measurement of lease liabilities:
Operating cash flows from operating leases	$ 8,091	$ 8,377
Operating cash flows from finance leases	2	3
Financing cash flows from finance leases	$ 36	$ 35