RESTRUCTURING, ACQUISITION, AND INTEGRATION RELATED EXPENSES RESTRUCTURING, ACQUISITION, AND INTEGRATION RELATED EXPENSES - Restructuring Reserves (Details) $ in Thousands	6 Months Ended
Feb. 01, 2020 USD ($)
Restructuring Cost and Reserve [Line Items]
Balances at August 3, 2019	$ 12,941
Restructuring program charges	2,501
Cash payments	(9,799)
Balances at February 1, 2020	5,643
Cumulative program charges incurred from inception to date	85,998
Supervalu
Restructuring Cost and Reserve [Line Items]
Balances at August 3, 2019	11,857
Restructuring program charges	2,501
Cash payments	(9,799)
Balances at February 1, 2020	4,559
Cumulative program charges incurred from inception to date	76,915
Earth Origins Market
Restructuring Cost and Reserve [Line Items]
Balances at August 3, 2019	383
Restructuring program charges	0
Cash payments	0
Balances at February 1, 2020	383
Cumulative program charges incurred from inception to date	2,219
2017 Cost Saving and Efficiency Initiatives
Restructuring Cost and Reserve [Line Items]
Balances at August 3, 2019	701
Restructuring program charges	0
Cash payments	0
Balances at February 1, 2020	701
Cumulative program charges incurred from inception to date	$ 6,864

Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.

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Amount of costs incurred to date for the specified restructuring cost.

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Amount, after cash payment, 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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Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

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