BASIS OF PRESENTATION and ACCOUNTING POLICIES - Schedule of Expenses Related to Leases (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jan. 25, 2020	Jan. 26, 2019	Jan. 25, 2020	Jan. 26, 2019
Accounting Policies [Abstract]
Operating and administrative expense	$ 677		$ 1,354
Depreciation and amortization		$ 107		$ 215
Interest expense		537		1,077
Depreciation, amortization and interest expense		$ 644		$ 1,292