Consolidated Statements of Stockholders’ Equity (USD $) In Thousands, except Share data, unless otherwise specified	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Total
Balance at Nov. 28, 2009	$ 57,274	$ 481	$ 50,461	$ 2,118	$ 110,334
Balance (in Shares) at Nov. 28, 2009	11,454,716
Comprehensive loss
Net income (loss)			(2,002)		(2,002)
Actuarial adjustment to SERP				(666)	(666)
Net change in unrealized holding gains				(1,879)	(1,879)
Total comprehensive income (loss)					(4,547)
Issuance of common stock	521	(379)			142
Issuance of common stock (in Shares)	104,258
Stock-based compensation		376			376
Balance at Nov. 27, 2010	57,795	478	48,459	(427)	106,305
Balance (in Shares) at Nov. 27, 2010	11,558,974
Comprehensive loss
Net income (loss)			55,342		55,342
Actuarial adjustment to SERP				(133)	(133)
Net change in unrealized holding gains				(48)	(48)
Total comprehensive income (loss)					55,161
Regular dividends			(1,092)		(1,092)
Special dividend			(5,665)		(5,665)
Issuance of common stock	771	(506)			265
Issuance of common stock (in Shares)	154,158
Purchase and retirement of common stock	(1,854)	(398)	(713)		(2,965)
Purchase and retirement of common stock (in Shares)	(370,800)
Stock-based compensation		426			426
Balance at Nov. 26, 2011	56,712		96,331	(608)	152,435
Balance (in Shares) at Nov. 26, 2011	11,342,332				11,342,332
Comprehensive loss
Net income (loss)			26,713		26,713
Actuarial adjustment to SERP				(379)	(379)
Net change in unrealized holding gains				(236)	(236)
Total comprehensive income (loss)					26,098
Regular dividends			(2,214)		(2,214)
Special dividend			(13,706)		(13,706)
Issuance of common stock	694	352			1,046
Issuance of common stock (in Shares)	138,903
Purchase and retirement of common stock	(3,222)	(988)	(2,805)		(7,015)
Purchase and retirement of common stock (in Shares)	(644,395)
Stock-based compensation		636			636
Balance at Nov. 24, 2012	$ 54,184		$ 104,319	$ (1,223)	$ 157,280
Balance (in Shares) at Nov. 24, 2012	10,836,840				10,836,840