INCOME TAXES - Additional Information (Details) $ in Thousands	1 Months Ended	12 Months Ended			36 Months Ended
	Mar. 31, 2015 USD ($)	Jul. 29, 2017 USD ($)	Jul. 30, 2016 USD ($)	Jul. 25, 2015 USD ($)	Jul. 27, 2002 complaint tax_assessment	Apr. 25, 2015 USD ($)	Oct. 26, 2013 USD ($)
Income Tax Contingency [Line Items]
Tax settlement	$ 33,000
Cash outflow as a result of tax settlement				$ 21,000
Tax positions that would reduce effective income tax rate		$ 585	$ 541
(Benefit) expense related to interest and penalties		50	39	$ (9,811)
Accrued interest and penalties included in the consolidated balance sheet		$ 242	$ 192
Income Tax Expense on Prior Year Tax Positions
Income Tax Contingency [Line Items]
Income tax expense							$ 10,052
Income tax benefit						$ 7,293
State and Local Jurisdiction [Member]
Income Tax Contingency [Line Items]
Number of tax assessments | tax_assessment					2
Number of complaints filed | complaint					2