Note 6 - Notes Receivable (Detail) - Interest income on the notes receivable (USD $) In Thousands, unless otherwise specified	12 Months Ended
Nov. 24, 2012	Nov. 26, 2011	Nov. 27, 2010
Interest income	$ 85	$ 129	$ 463

Amount of interest income earned from interest bearing assets not separately disclosed.

No definition available.

Name:	us-gaap_InterestIncomeOther
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration