Note 11 - Contingencies (Detail) (USD $) In Thousands, unless otherwise specified	1 Months Ended					9 Months Ended
	Aug. 31, 2012	Aug. 25, 2012	Nov. 26, 2011	Aug. 25, 2012 Lease Obligations of Licensee Operators [Member]	Nov. 26, 2011 Lease Obligations of Licensee Operators [Member]	Aug. 25, 2012 Loans to Licensees to Finance Operating Requirements [Member]	Nov. 26, 2011 Loans to Licensees to Finance Operating Requirements [Member]
Loss Contingency, Damages Awarded, Value	$ 1,354
Operating Leases, Future Minimum Payments Due		74,911	73,249
Loss Contingency, Estimate of Possible Loss				2,214	2,515	27	186
Guarantor Obligations, Term						three
Guarantor Obligations, Current Carrying Value		$ 602	$ 508