SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Schedule of Expenses Related to Leases (Details) - USD ($) $ in Thousands	12 Months Ended
	Jul. 25, 2020	Jul. 27, 2019
Accounting Policies [Abstract]
Operating and administrative expense	$ 2,708
Depreciation and amortization		$ 396
Interest expense		2,145
Depreciation, amortization and interest expense		$ 2,541