ACQUISITIONS - Schedule of Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Thousands			3 Months Ended
		Oct. 22, 2018	Nov. 02, 2019
Supervalu
Business Acquisition [Line Items]
Outstanding debt, excluding acquired senior notes		$ 1,000,000	$ 1,046,170
Total consideration			2,323,031
Cash and cash equivalents			25,102
Accounts receivable			552,381
Inventories			1,156,781
Prepaid expenses and other current assets			112,449
Current assets of discontinued operations			196,848
Property, plant and equipment			1,207,115
Intangible assets			918,103
Other assets			77,008
Long-term assets of discontinued operations			433,839
Accounts payable			(974,252)
Current portion of long-term debt and finance lease obligations			(579,565)
Other current liabilities			(331,693)
Current liabilities of discontinued operations			(148,763)
Long-term debt			(34,355)
Long-term finance lease obligations			(103,289)
Pension and other postretirement benefit obligations			(234,324)
Deferred income taxes			(18,254)
Other long-term liabilities			(308,516)
Long-term liabilities of discontinued operations			(1,398)
Noncontrolling interests			1,633
Total consideration			2,323,031
Less: Cash and cash equivalents	[1]		(30,596)
Total consideration, net of cash and cash equivalents acquired		$ 2,300,000	2,292,435
Wholesale | Operating Segments
Business Acquisition [Line Items]
Goodwill			376,181
Outstanding shares | Supervalu
Business Acquisition [Line Items]
Equity interests issued and issuable			1,258,450
Equity-based awards | Supervalu
Business Acquisition [Line Items]
Equity interests issued and issuable			$ 18,411

[1] Includes cash and cash equivalents acquired attributable to continuing operations and discontinued operations.