INCOME TAXES - Additional Information (Details) - USD ($)	12 Months Ended
	Jul. 28, 2018	Jul. 29, 2017
Income Tax Disclosure [Abstract]
Statutory federal income tax rate	26.90%	35.00%
Income tax benefit related to remeasurement of deferred tax balances	$ 3,300,000
Tax positions that would reduce effective income tax rate	585,000	$ 585,000
(Benefit) expense related to interest and penalties		50,000
Accrued interest and penalties included in the consolidated balance sheet	$ 242,000	$ 242,000