Document And Entity Information (USD $)	9 Months Ended
	Feb. 28, 2012	Apr. 03, 2012	Nov. 30, 2010
Entity Registrant Name	RUBY TUESDAY INC
Entity Central Index Key	0000068270
Current Fiscal Year End Date	--05-31
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Filer Category	Large Accelerated Filer
Entity Public Float			$ 830,759,511
Entity Common Stock, Shares Outstanding		63,791,178
Document Fiscal Year Focus	2012
Document Fiscal Period Focus	Q3
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Feb. 28, 2012