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RESTRUCTURING, ACQUISITION, AND INTEGRATION RELATED EXPENSES Restructuring, Acquisition, and Integration Related Expenses (Details) $ in Thousands		3 Months Ended		6 Months Ended		12 Months Ended
		Jan. 26, 2019 USD ($)	Jan. 27, 2018 store	Jan. 26, 2019 USD ($)		Jul. 28, 2018 USD ($)
Restructuring Cost and Reserve [Line Items]
Restructuring program charges	[1]			$ 54,166
Restructuring Charges		$ 47,125		115,129
Additional restructuring expense		9,000		9,000
Restructuring, Settlement and Impairment Provisions [Member]
Restructuring Cost and Reserve [Line Items]
Acquisition and integration costs		9,481		41,416
Supervalu
Restructuring Cost and Reserve [Line Items]
Restructuring Charges		18,097		54,166	[1]
Earth Origins Market
Restructuring Cost and Reserve [Line Items]
Restructuring program charges				0
Restructuring Charges						$ 2,200
Number of Stores Closed | store			3
Number of Stores | store			12
Gain (Loss) on Disposition of Business				(2,700)
Facility Closing [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges		$ 19,547		$ 19,547
[1] Includes $33.8 million of charges related to change-in-control expense to satisfy outstanding equity awards and severance related costs.

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Business Combination, Integration Related Costs Remainder Of Fiscal Year

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 25
-Paragraph 23
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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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