COMMITMENTS, CONTINGENCIES AND OFF-BALANCE SHEET ARRANGEMENTS COMMITMENTS, CONTINGENCIES AND OFF-BALANCE SHEET ARRANGEMENTS (Details) $ in Millions	6 Months Ended
	Feb. 01, 2020 USD ($) case retailer
Loss Contingencies [Line Items]
Non-cancelable future purchase obligations	$ 236.0
Number of Retailers Filing Similar Complaints in Other Jurisdictions | retailer	3
Number of Suits Pending | case	38
Number of Cases Consolidated | case	1,800
Schutte and Yarberry v. SuperValu, New Albertson;s, Inc., et al
Loss Contingencies [Line Items]
Alleged Damages (in excess of)	$ 100.0
Share of Potential Award	24.0
Payment Guarantee
Loss Contingencies [Line Items]
Guarantor Obligations, Maximum Exposure, Undiscounted	34.5
Guarantor Obligations, Maximum Exposure, Discounted	$ 26.0
Payment Guarantee | Minimum
Loss Contingencies [Line Items]
Guarantor Obligations, Guarantees Term	1 year
Payment Guarantee | Maximum
Loss Contingencies [Line Items]
Guarantor Obligations, Guarantees Term	11 years
Payment Guarantee | Weighted Average
Loss Contingencies [Line Items]
Guarantor Obligations, Guarantees Term	6 years
Moran Foods, LLC
Loss Contingencies [Line Items]
Professional Services Agreement Term	5 years
Professional Services Agreement, Base Amount	$ 30.0