BASIS OF PRESENTATION and ACCOUNTING POLICIES - Schedule of Expenses Related to Leases (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Apr. 25, 2020	Apr. 27, 2019	Apr. 25, 2020	Apr. 27, 2019
Accounting Policies [Abstract]
Operating and administrative expense	$ 677		$ 2,031
Depreciation and amortization		$ 91		$ 305
Interest expense		535		1,612
Depreciation, amortization and interest expense		$ 626		$ 1,917