ACQUISITIONS (Details) - USD ($) $ / shares in Units, $ in Thousands			9 Months Ended	12 Months Ended
	Oct. 27, 2018	Oct. 22, 2018	Aug. 03, 2019	Aug. 01, 2020	Aug. 03, 2019	Jul. 28, 2018
Business Acquisition [Line Items]
Common stock, par value (in dollars per share)			$ 0.01	$ 0.01	$ 0.01
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			$ 11,400,000		$ 25,639,516	$ 25,189,850
SUPERVALU
Business Acquisition [Line Items]
Common stock, par value (in dollars per share)		$ 0.01
Senior Notes | SUPERVALU
Business Acquisition [Line Items]
Outstanding debt, excluding acquired senior notes		$ 546,600