BASIS OF PRESENTATION and ACCOUNTING POLICIES (Details) $ in Thousands		3 Months Ended
	Jun. 24, 2019 USD ($) store	Oct. 26, 2019 USD ($)	Oct. 27, 2018 USD ($)	Jul. 28, 2019 USD ($)	Jul. 27, 2019 USD ($)
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Goodwill		$ 12,650			$ 12,650
Operating lease assets		96,093
Operating lease liability		108,417
Financing obligations		(24,011)
Net assets for leases		(224,489)			$ (224,890)
Rent expense		$ 677
Depreciation expense related to leases			$ 107
Interest expense related to leases			$ 540
Accounting Standards Update 2016-02 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease assets				$ 99,415
Operating lease liability				111,139
Cumulative adjustment				(3,514)
Financing obligations				17,442
Net assets for leases				$ 12,543
Gourmet Garage Specialty Markets [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Number of stores | store	3
Payment for acquisition, net of cash acquired	$ 5,267
Goodwill	593
Trade name intangible asset	$ 1,485