Note 9 - Comprehensive Income (Detail) - Summary of the changes in accumulated other comprehensive income (loss) (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended
Aug. 25, 2012	Aug. 27, 2011	Aug. 25, 2012	Aug. 27, 2011
Balance at November 26, 2011			$ (608)
Balance at August 25, 2012	(976)		(976)
Net change in unrealized holding gains and losses	42	(2)	119	(27)
Amortization associated with SERP Plan	8	6	24	19
Changes in related deferred tax effects (see Note 2)			$ (511)

Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.

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- Definition

Net of tax and reclassification adjustments amount of the increase (decrease) in accumulated other comprehensive income (loss) related to pension and other postretirement benefit plans, attributable to the parent entity.

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- Definition

Net of tax amount of unrealized holding gain (loss) before reclassification adjustments and transfers on available-for-sale securities.

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