Capital Lease Obligation (Details Textual) (USD $)	9 Months Ended
	Feb. 26, 2015	May 29, 2014
Property, Plant and Equipment [Line Items]
Capital Leased Assets, Number of Units	642
Term Of Licensing Agreement	10 years
Commitment Minimum Lease Payments	$ 6,163,000
Payments Obligation Reduced Amount	5,031,000
Expect Period Of Payments Obligation	12 months
Furniture and Fixtures [Member]
Property, Plant and Equipment [Line Items]
Capital Leases, Balance Sheet, Assets by Major Class, Net	45,510,000	45,510,000
Digital Systems [Member]
Property, Plant and Equipment [Line Items]
Finite-Lived Intangible Assets, Accumulated Amortization	$ 16,891,000	$ 12,259,000