ACQUISITIONS (Details) - USD ($) $ / shares in Units, $ in Thousands			3 Months Ended			12 Months Ended
	Oct. 27, 2018	Oct. 22, 2018	Aug. 03, 2019	Oct. 27, 2018	Oct. 28, 2017	Aug. 03, 2019	Jul. 28, 2018	Jul. 29, 2017	Aug. 10, 2016
Business Acquisition [Line Items]
Common stock, par value (in dollars per share)			$ 0.01			$ 0.01	$ 0.01
Net sales from continuing operations			$ 10,470,000
Goodwill			442,256			$ 442,256	$ 362,495	$ 371,259
SUPERVALU
Business Acquisition [Line Items]
Cash payment (in dollars per share)		$ 32.50
Total consideration	$ 2,300,000					2,292,435
Total consideration paid in cash		$ 1,300,000
Outstanding debt, excluding acquired senior notes		$ 1,000,000				1,046,170
Net sales from continuing operations						24,503,882	$ 24,184,056
Goodwill			374,757			374,757
Gourmet Guru, Inc. [Domain]
Business Acquisition [Line Items]
Finite-lived intangible asset, useful life				2 years
Goodwill			$ 10,300			$ 10,300
Cash received					$ 200
Total purchase price									$ 10,000
Customer lists									$ 1,000
SUPERVALU
Business Acquisition [Line Items]
Common stock, par value (in dollars per share)		$ 0.01
Noncompete Agreements | SUPERVALU
Business Acquisition [Line Items]
Finite-lived intangible asset, useful life						2 years
Senior Notes | SUPERVALU
Business Acquisition [Line Items]
Outstanding debt, excluding acquired senior notes		$ 546,600