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BENEFIT PLANS - Schedule of Collective Bargaining Agreement Dates and Contributions to Each Plan Table (Details)	12 Months Ended
	Jul. 31, 2021 agreement
Minneapolis Food Distributing Industry Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Total Collective Bargaining Agreements	1
% of Associates under Collective Bargaining Agreement	100.00%
Over 5% Contributions 2020	true
Minneapolis Retail Meat Cutters and Food Handlers Pension Fund
Defined Benefit Plan Disclosure [Line Items]
Total Collective Bargaining Agreements	1
% of Associates under Collective Bargaining Agreement	100.00%
Over 5% Contributions 2020	true
Minneapolis Retail Meat Cutters and Food Handlers Variable Annuity Pension Fund
Defined Benefit Plan Disclosure [Line Items]
Total Collective Bargaining Agreements	1
% of Associates under Collective Bargaining Agreement	100.00%
Over 5% Contributions 2020	true
Central States, Southeast and Southwest Areas Pension Fund
Defined Benefit Plan Disclosure [Line Items]
Total Collective Bargaining Agreements	4
% of Associates under Collective Bargaining Agreement	37.00%
Over 5% Contributions 2020	false
UFCW Unions and Participating Employer Pension Fund
Defined Benefit Plan Disclosure [Line Items]
Total Collective Bargaining Agreements	2
% of Associates under Collective Bargaining Agreement	66.30%
Western Conference of Teamsters Pension Plan Trust
Defined Benefit Plan Disclosure [Line Items]
Total Collective Bargaining Agreements	13
% of Associates under Collective Bargaining Agreement	32.80%
Over 5% Contributions 2020	false
UFCW Unions and Employers Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Total Collective Bargaining Agreements	1
% of Associates under Collective Bargaining Agreement	100.00%
Over 5% Contributions 2020	true
UFCW Unions and Participating Employer Pension Fund
Defined Benefit Plan Disclosure [Line Items]
Over 5% Contributions 2020	true

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Number of collective bargaining agreements.

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- Definition

Percentage of entity's employees covered by collective-bargaining arrangement (CBA) to all entity's employees in multiemployer pension plan determined to be individually significant.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 80
-Section 50
-Paragraph 5
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=65877416&loc=SL14450657-114947

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- Definition

Indicates (true false) whether, in plan's most recently available annual report, employer contribution exceeds five percent of total contribution from all participating employers to multiemployer pension plan determined to be individually significant.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 80
-Section 50
-Paragraph 5
-Subparagraph (e)(2)
-URI http://asc.fasb.org/extlink&oid=65877416&loc=SL14450657-114947

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 80
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=35742348&loc=SL14450788-114948

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