Note 10 - Financial Instruments and Fair Value Measurements (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	May 26, 2012	Jun. 01, 2013
Note 10 - Financial Instruments and Fair Value Measurements (Details) [Line Items]
Certificates of Deposit, Term		1 year
Other than Temporary Impairment Losses, Investments, Portion Recognized in Earnings, Net (in Dollars)	$ 806
Minimum [Member]
Note 10 - Financial Instruments and Fair Value Measurements (Details) [Line Items]
Certificates of Deposit Interest Rate		0.275%
Maximum [Member]
Note 10 - Financial Instruments and Fair Value Measurements (Details) [Line Items]
Certificates of Deposit Interest Rate		1.00%