XML 50 R38.htm IDEA: XBRL DOCUMENT v3.25.3

REVENUE RECOGNITION - Narrative (Details) - USD ($) $ in Millions	3 Months Ended
	Nov. 01, 2025	Nov. 02, 2024	Aug. 02, 2025
Revenue from Contract with Customer [Abstract]
Accounts receivable, sale, authorized amount	$ 500
Accounts receivable on behalf of the financial institution	394		$ 380
Loss on sale of accounts receivable	$ 4	$ 5

X

- Definition

Accounts Receivable, on Behalf of Financial Institution

+ References

No definition available.

+ Details

Name:	unfi_AccountsReceivableOnBehalfOfFinancialInstitution
Namespace Prefix:	unfi_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Accounts Receivable, Sale, Authorized Amount

+ References

No definition available.

+ Details

Name:	unfi_AccountsReceivableSaleAuthorizedAmount
Namespace Prefix:	unfi_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Amount of gain (loss) on sale of accounts receivable.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 860
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481326/860-20-50-5

+ Details

Name:	us-gaap_GainLossOnSaleOfAccountsReceivable
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_RevenueFromContractWithCustomerAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration