Note 10 - Debt (Detail) - Long-term debt consists of the following: (USD $) In Thousands, unless otherwise specified	Nov. 25, 2012	May 27, 2012
Debt balance	$ 44,227	$ 47,317
Less current portion	(7,035)	(7,012)
Long-term portion	37,192	40,305
Real Estate Loan [Member]
Debt balance	17,515	17,957
Real Estate Bridge Loan [Member]
Debt balance	1,171	1,200
Capital Equipment Loan [Member]
Debt balance	11,881	12,660
Term Note [Member]
Debt balance	10,500	12,000
Industrial Revenue Bonds [Member]
Debt balance	$ 3,160	$ 3,500