Subsequent Events (Details) (USD $)	12 Months Ended
	Jun. 05, 2012	May 31, 2011	Jun. 01, 2010
RT Midwest bankruptcy [Abstract]
Number of Restaurants	714
Related party agreement [Abstract]
Number of marketing agreements	2
Marketing fee	$ 47,900,000	$ 27,800,000	$ 15,400,000
Subsequent Event [Member]
Sale-leaseback transactions [Abstract]
Number of restaurants	9
Sale-leaseback transaction, gross proceeds	20,200,000
Sale-leaseback transaction costs	1,000,000
Sale-leaseback transaction, carrying value	14,200,000
Sale-leaseback transaction, lease terms (in years)	15
Sale-leaseback transaction, renewal terms	20 years
Sale-leaseback transaction, deferred gain	5,000,000
Subsequent Event [Member] | Service-based Restricted Shares [Member]
Share-based Compensation Award [Abstract]
Shares authorized (in shares)	210,000
Vesting period of share-based compensation arrangement	2 years 6 months
Subsequent Event [Member] | Performance-based Restricted Shares [Member]
Share-based Compensation Award [Abstract]
Shares authorized (in shares)	239,000
RT Midwest [Member]
RT Midwest bankruptcy [Abstract]
Number of Restaurants	13
Total indebtedness owed by RT Midwest to RTI as of date of RT Midwest bankruptcy filing	2,300,000
Franchise fee receivables	2,300,000
Lime Fresh Concept [Member]
Related party agreement [Abstract]
Marketing fee	52,500
Marlin & Rays concept [Member]
Related party agreement [Abstract]
Marketing fee	$ 26,250