v3.26.1

Cover - shares	9 Months Ended
Cover - shares	May 02, 2026	Jun. 04, 2026
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	May 02, 2026
Document Transition Report	false
Entity File Number	001-15723
Entity Registrant Name	UNITED NATURAL FOODS, INC.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	05-0376157
Entity Address, Address Line One	15 Park Row West,
Entity Address, Address Line Two	Suite 302,
Entity Address, City or Town	Providence,
Entity Address, State or Province	RI
Entity Address, Postal Zip Code	02903
City Area Code	401
Local Phone Number	528-8634
Title of 12(b) Security	Common stock, par value $0.01
Trading Symbol	UNFI
Security Exchange Name	NYSE
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding (in shares)		60,519,140
Entity Central Index Key	0001020859
Current Fiscal Year End Date	--08-01
Document Fiscal Year Focus	2026
Document Fiscal Period Focus	Q3
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Boolean flag that is true when the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).

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Local phone number for entity.

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UNITED NATURAL FOODS INC 10-Q