XML 13 R1.htm IDEA: XBRL DOCUMENT v3.21.2
Document And Entity Information - USD ($)
$ in Millions
 12 Months Ended
Sep. 25, 2021
Nov. 22, 2021
Mar. 27, 2021
Document Type 10-K    
Document Annual Report true    
Document Period End Date Sep. 25, 2021    
Document Transition Report false    
Entity File Number 0-14706    
Entity Registrant Name INGLES MARKETS, INCORPORATED    
Entity Incorporation, State or Country Code NC    
Entity Tax Identification Number 56-0846267    
Entity Address, Address Line One 2913 U.S. Hwy. 70 West    
Entity Address, City or Town Black Mountain    
Entity Address, State or Province NC    
Entity Address, Postal Zip Code 28711    
City Area Code 828    
Local Phone Number 669-2941    
Entity Well-known Seasoned Issuer No    
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    
Title of 12(b) Security Class A Common Stock, $0.05 par value per share    
Trading Symbol IMKTA    
Security Exchange Name NASDAQ    
Entity Public Float     $ 935
Current Fiscal Year End Date --09-25    
Document Fiscal Period Focus FY    
Document Fiscal Year Focus 2021    
Entity Central Index Key 0000050493    
Amendment Flag false    
Documents Incorporated by Reference Certain information required in Part III hereof is incorporated by reference to the Proxy Statement for the registrant’s 2022 Annual Meeting of Stockholders to be filed with the Securities and Exchange Commission pursuant to Regulation 14A no later than 120 days after the end of the fiscal year covered by this report.    
Class A Common Stock      
Entity Common Stock, Shares Outstanding   14,272,835  
Class B Common Stock [Member]      
Entity Common Stock, Shares Outstanding   4,721,541