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Document And Entity Information - shares	3 Months Ended
	Dec. 30, 2017	Feb. 06, 2018
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Dec. 30, 2017
Document Fiscal Year Focus	2018
Document Fiscal Period Focus	Q1
Trading Symbol	IMKTA
Entity Registrant Name	INGLES MARKETS INC
Entity Central Index Key	0000050493
Current Fiscal Year End Date	--09-29
Entity Filer Category	Accelerated Filer
Class A Common Stock [Member]
Entity Common Stock, Shares Outstanding		14,118,244
Class B Common Stock [Member]
Entity Common Stock, Shares Outstanding		6,141,532

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