DISCONTINUED OPERATIONS (Details) $ in Thousands	3 Months Ended								12 Months Ended
	Aug. 03, 2019 USD ($) store	Apr. 27, 2019 USD ($)	Jan. 26, 2019 USD ($) store	Oct. 27, 2018 USD ($)	Jul. 28, 2018 USD ($)	Apr. 28, 2018 USD ($)	Jan. 27, 2018 USD ($)	Oct. 28, 2017 USD ($)	Aug. 03, 2019 USD ($) store	Jul. 28, 2018 USD ($)	Jul. 29, 2017 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenue from contract with customer, excluding assessed tax | $	$ 6,407,086	$ 5,962,620	$ 6,149,206	$ 2,868,156	$ 2,592,248	$ 2,648,879	$ 2,528,011	$ 2,457,545	$ 21,387,068	$ 10,226,683	$ 9,274,471
Wholesale Segment | Operating Segments
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenue from contract with customer, excluding assessed tax | $									21,324,693	$ 10,169,840	$ 9,210,815
Discontinued Operations | Wholesale Segment | Operating Segments
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenue from contract with customer, excluding assessed tax | $									769,800
Revenues | $									$ 411,900
Discontinued Operations, Disposed of by Means Other than Sale | Shop 'n Save
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of stores closed									3
Number of stores held-for-sale	8								8
Discontinued Operations, Disposed of by Sale | Shop 'n Save
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of stores sold									5
Discontinued Operations, Disposed of by Sale | Hornbacher's
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of stores held-for-sale			8
Number of stores sold			7