Note 21 - Quarterly Results of Operations (unaudited) (Detail) - Quarterly Results of Operations (unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended																12 Months Ended
	Nov. 24, 2012		Aug. 25, 2012		May 26, 2012		Feb. 25, 2012		Nov. 26, 2011		Aug. 27, 2011		May 28, 2011		Feb. 26, 2011		Nov. 24, 2012	Nov. 26, 2011	Nov. 27, 2010
Net sales	$ 76,812	[1]	$ 64,438	[2]	$ 67,454	[3]	$ 60,968	[4]	$ 63,266	[5]	$ 59,417	[6]	$ 66,261	[7]	$ 64,264	[8]	$ 269,672	$ 253,208	$ 235,254
Gross profit	40,172	[1]	33,818	[2]	35,661	[3]	31,671	[4]	33,270	[5]	29,251	[6]	33,197	[7]	31,848	[8]	141,322	127,566	112,688
Net income (loss)	$ 16,896	[1]	$ 2,371	[2]	$ 8,042	[3]	$ (596)	[4]	$ 633	[5]	$ 417	[6]	$ 62,546	[7]	$ (8,255)	[8]	$ 26,713	$ 55,342	$ (2,002)
Basic earnings (loss) per share (in Dollars per share)	$ 1.57	[1]	$ 0.22	[2]	$ 0.72	[3]	$ (0.05)	[4]	$ 0.06	[5]	$ 0.04	[6]	$ 5.43	[7]	$ (0.72)	[8]	$ 2.43	$ 4.84	$ (0.17)
Diluted earnings (loss) per share (in Dollars per share)	$ 1.55	[1]	$ 0.21	[2]	$ 0.71	[3]	$ (0.05)	[4]	$ 0.06	[5]	$ 0.04	[6]	$ 5.39	[7]	$ (0.72)	[8]	$ 2.41	$ 4.79	$ (0.17)

[1] Includes $15,907 of tax benefit from release of deferred tax asset valuation reserves - see Note 12 for further information.

[2] Includes $1,205 of tax benefit from partial release of deferred tax asset valuation reserves - see Note 12 for further information.

[3] Includes $9,010 of income from the final CDSOA distribution - see Note 9 for further details. Also includes restructuring and asset impairment charges of $475 and lease exit costs of $131 - see Note 16 for further details. Also includes $1,592 of tax benefit from partial release of deferred tax asset valuation reserves - see Note 12 for further information.

[4] Includes restructuring and asset impairment charges of $236 and lease exit costs of $228 - see Note 16 for further details. Also includes $806 charge for other than temporary impairment to our investment in Fortress - see Note 8 for further details.

[5] Includes $765 of income associated with the Continued Dumping & Subsidy Offset Act. See Note 9 for further details. Also includes $418 of asset impairment and restructuring charges - see Note 16 for further details.

[6] Includes restructuring and asset impairment charges of $123 - see Note 16 for further details.

[7] Includes $85,542 gain on sale of affiliate - see Note 11 for further details regarding the sale of our investment in IHFC. Also includes licensee debt cancellation charges of $6,447, restructuring and asset impairment charges of $1,080, and lease exit costs of $2,844 - see Note 16 for further details.

[8] Includes restructuring and asset impairment charges of $879 and lease exit costs of $884 - see Note 16 for further details.