Document And Entity Information - shares	3 Months Ended
	Sep. 05, 2017	Oct. 09, 2017
Document Information [Line Items]
Entity Registrant Name	RUBY TUESDAY INC
Entity Central Index Key	0000068270
Trading Symbol	rt
Current Fiscal Year End Date	--06-05
Entity Filer Category	Accelerated Filer
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Well-known Seasoned Issuer	No
Entity Common Stock, Shares Outstanding (in shares)		61,186,581
Document Type	10-Q
Document Period End Date	Sep. 05, 2017
Document Fiscal Year Focus	2018
Document Fiscal Period Focus	Q1
Amendment Flag	false