FRANCHISE PROGRAMS (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended			12 Months Ended
	Feb. 28, 2012	Mar. 01, 2011	Feb. 28, 2012	Mar. 01, 2011	Feb. 28, 2012 No Equity Interest in Operated Ruby Tuesday Restaurant [Member]	May 31, 2011 Eleven Franchise Partnerships [Member]	May 31, 2011 Twelfth Franchise Partnership [Member]	May 31, 2011 Traditional Franchise Partnerships [Member]
Franchisor Disclosure [Line Items]
Restaurants operated by traditional franchisees					85
Acquired remaining membership interest, franchise partnerships						11
Restaurants acquired from traditional and partnership franchises						105	1	3
Operating agreements, national advertising fund gross sales contribution (in hundredths)			0.50%
Operating agreements, national advertising fund gross sales contribution, maximum (in hundredths)			3.00%
Operating agreements, support service fee, gross sales contribution, maximum (in hundredths)			1.50%
Operating agreements, marketing and purchase fee, gross sales contribution, maximum (in hundredths)			1.50%
Support service and marketing and purchasing fees	$ 0.1	$ 0.8	$ 0.9	$ 2.7