Capital Lease Obligation (Details Textual) (USD $)	3 Months Ended
	Aug. 29, 2013	Aug. 29, 2013 Furniture and Fixtures [Member]	May 30, 2013 Furniture and Fixtures [Member]	Aug. 29, 2013 Digital Systems [Member]	May 30, 2013 Digital Systems [Member]
Capital Leased Assets, Number of Units	642
Term Of Licensing Agreement	10 years
Capital Leases, Balance Sheet, Assets by Major Class, Net		$ 45,510,000	$ 45,510,000
Finite-Lived Intangible Assets, Accumulated Amortization				8,580,000	7,441,000
Commitment Minimum Lease Payments	6,163,000
Payments Obligation Reduced Amount	$ 4,636,000
Expect Period Of Payments Obligation	12