XML 21 R1.htm IDEA: XBRL DOCUMENT v3.21.2
Cover - USD ($)
$ in Millions
 12 Months Ended
Jul. 31, 2021
Sep. 23, 2021
Jan. 29, 2021
Cover [Abstract]      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Jul. 31, 2021    
Current Fiscal Year End Date --07-31    
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 313 Iron Horse Way,    
Entity Address, City or Town Providence,    
Entity Address, State or Province RI    
Entity Address, Postal Zip Code 02908    
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 Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
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    
ICFR Auditor Attestation Flag true    
Entity Shell Company false    
Entity Public Float     $ 1,489
Entity Common Stock, Shares Outstanding   56,445,293  
Documents Incorporated by Reference
DOCUMENTS INCORPORATED BY REFERENCE
Portions of the registrant’s definitive Proxy Statement for the Annual Meeting of Stockholders to be held on January 11, 2022 are incorporated herein by reference into Part III of this Annual Report on Form 10-K.
    
Entity Central Index Key 0001020859    
Document Fiscal Year Focus 2021    
Document Fiscal Period Focus FY    
Amendment Flag false