Accounting Policies - Narrative (Details) (USD $)	12 Months Ended									3 Months Ended	12 Months Ended		3 Months Ended		12 Months Ended		4 Months Ended	6 Months Ended	12 Months Ended					12 Months Ended
	May 28, 2013 tract transaction	May 29, 2012 transaction	May 31, 2011	May 28, 2013 Maximum Building and building improvements	May 28, 2013 Maximum Equipment	May 28, 2013 Maximum Computer software	May 28, 2013 Minimum Building and building improvements	May 28, 2013 Minimum Equipment	May 28, 2013 Minimum Computer software	Mar. 06, 2012 Frisch's Big Boy, disposal group restaurant	May 28, 2013 Frisch's Big Boy, disposal group restaurant	May 29, 2012 Frisch's Big Boy, disposal group restaurant	May 29, 2012 Three former Frisch's Big Boy restaurants	Mar. 06, 2012 Three former Frisch's Big Boy restaurants	May 28, 2013 Three former Frisch's Big Boy restaurants	May 29, 2012 Three former Frisch's Big Boy restaurants	Sep. 20, 2011 Golden Corral, disposal group	May 29, 2012 Golden Corral, disposal group restaurant	May 28, 2013 Golden Corral, disposal group restaurant	May 29, 2012 Golden Corral, disposal group restaurant	May 31, 2011 Golden Corral, disposal group	May 16, 2012 Golden Corral, disposal group restaurant	Aug. 23, 2011 Golden Corral, disposal group restaurant	May 28, 2013 Six former Golden Corral restaurants	May 29, 2012 Six former Golden Corral restaurants	May 28, 2013 Other operating costs	May 29, 2012 Other operating costs	May 31, 2011 Other operating costs	May 28, 2013 Ohio	May 28, 2013 Frisch's Big Boy Entity operated units restaurant	May 28, 2013 Frisch's Big Boy Franchised units restaurant	May 31, 2011 Golden Corral, segment restaurant
Description of the Business [Abstract]
Number of restaurants																														95	25	35
Consolidation Practices [Abstract]
Number of restaurants closed due to underperformance																							6
Number of restaurants sold to Golden Corral Corporation																		29		29		29
Cash and Cash Equivalents [Abstract]
Cash and cash equivalents, excluding commercial paper	$ 3,256,000	$ 3,963,000
Commercial paper included in cash and equivalents on the balance sheet	1,000,000	42,000,000
Restricted Cash Abstract]
Restricted cash		3,493,000
Number of real estate property transactions comprising the funds in restricted cash balance		2
Receivables [Abstract]
Receivables reserve balance	30,000	30,000
Property and Equipment [Abstract]
Estimated useful life				25 years	10 years	10 years	10 years	5 years	3 years
Capitalized interest	14,000	26,000	87,000
Impairment of Long-Lived Assets [Abstract]
Impairment of long lived assets	390,100	1,228,760											901,000	328,000	179,000	1,229,000	4,000,000	388,000	0	4,388,000	0			211,000	4,388,000
Number of impaired restaurants										2	3	3							3
Fair value of impaired restaurants sold											1,560,000
Number of impaired restaurants sold during period											2
Number of restaurants closed due to underperformance																							6
Property Held for Sale / Investments in Land [Abstract]
Property held for sale (number of buildings and tracts of land)	8										1								3
Property held for sale											235,000								2,844,000
Property held for sale, surplus land (tracts of land)	2,157,000
Investments in land (tracts of land)	4
Advertising [Abstract]
Advertising expense	4,855,000	4,911,000	4,910,000
New Store Opening Costs [Abstract]
New store opening costs																										592,000	398,000	1,073,000
Self-Insurance [Abstract]
Self-insured workers' compensation, per claim limit																													300,000
Increase in self-insured obligations	$ (806,595)	$ 335,786	$ 336,798
Income Taxes [Abstract]
Effective income tax rate	26.50%	17.30%	27.70%