Description of Business and Summary of Significant Accounting Policies (Details Textual) (USD $)	12 Months Ended
	May 30, 2013	May 31, 2012	May 26, 2011
Senior notes at carrying value	$ 60,649,000
Net inventory	2,237,000	2,553,000
Expected tax deductible amount of goodwill	138,000	139,000
Capitalized interest cost	75,000	75,000	90,000
Deferred revenue	13,352,000	13,028,000
Tax benefit percentage being realized upon ultimate settlement with a taxing authority	50.00%
Cash dividend percentage	110.00%
Options to purchase share of common stock	1,402,000	1,508,000	1,560,725
Labor subject to collective bargaining arrangements	As of May 30, 2013, 11% of the Companys employees were covered by a collective bargaining agreement, of which 88% are covered by an agreement that will expire in one year.
Depreciation	33,469,000	34,152,000	32,778,000
Fair Value, Inputs, Level 1 [Member]
Available-for-sale securities	71,000	78,000
Fair Value, Inputs, Level 2 [Member]
interest rate fair value hedge contract	30,000
Senior notes at carrying value	$ 69,061,000
Maximum [Member]
Ownership percentage	50.00%
Option exercise price	$ 23.37	$ 23.37	$ 23.37
Minimum [Member]
Option exercise price	$ 12.73	$ 11.89	$ 11.89
Corporate Joint Venture One [Member] | Minimum [Member]
Ownership interest in joint venture	50.00%
Corporate Joint Venture Two [Member]
Ownership interest in joint venture	50.00%