LEASES - Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Jul. 31, 2021	Jul. 25, 2020
Cash paid for amounts in the measurement of lease liabilities
Operating cash flows from operating leases	$ 34,768	$ 21,287
Operating cash flows from finance leases	2,000	2,059
Financing cash flows from finance leases	$ 689	$ 572