Note 20 - Quarterly Results of Operations (Unaudited) (Details) - Quarterly Results Of Operations (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended															12 Months Ended
	Nov. 30, 2013		Aug. 31, 2013		Jun. 01, 2013	Mar. 02, 2013		Nov. 24, 2012		Sep. 01, 2012		Jun. 02, 2012		Feb. 25, 2012		Nov. 30, 2013	Nov. 24, 2012	Nov. 26, 2011
Quarterly Results Of Operations (Unaudited) [Abstract]
Net sales	$ 83,062	[1]	$ 77,152	[2]	$ 81,223	$ 79,849	[3]	$ 76,812	[4]	$ 64,438	[5]	$ 67,454	[6]	$ 60,968	[7]	$ 321,286	$ 269,672	$ 253,208
Gross profit	44,085	[1]	38,723	[2]	41,826	41,360	[3]	40,172	[4]	33,818	[5]	35,661	[6]	31,671	[7]	165,994	141,322	127,566
Net income	$ 1,607	[1]	$ 556	[2]	$ 1,953	$ 980	[3]	$ 16,896	[4]	$ 2,371	[5]	$ 8,042	[6]	$ (596)	[7]	$ 5,096	$ 26,713	$ 55,342
Basic earnings per share (in Dollars per share)	$ 0.15	[1]	$ 0.05	[2]	$ 0.18	$ 0.09	[3]	$ 1.57	[4]	$ 0.22	[5]	$ 0.72	[6]	$ (0.05)	[7]	$ 0.48	$ 2.43	$ 4.84
Diluted earnings per share (in Dollars per share)	$ 0.15	[1]	$ 0.05	[2]	$ 0.18	$ 0.09	[3]	$ 1.55	[4]	$ 0.21	[5]	$ 0.71	[6]	$ (0.05)	[7]	$ 0.47	$ 2.41	$ 4.79

[1] Includes $416 charge for impairment related to our investment property located in Henderson, Nevada. See Note 15 for further details

[2] Includes $221 of tax benefit from the expiration of the statute of limitations on certain previously unrecognized tax benefits - see Note 11 for further information.

[3] The first quarter of fiscal 2013 included 14 weeks as compared with 13 weeks for the first quarter of 2012. On an average weekly basis, net sales for the first quarter of fiscal 2013 were $5,704 per week as compared with $4,690 per week for the first quarter of fiscal 2012.

[4] Includes $15,907 of tax benefit from release of deferred tax asset valuation reserves - see Note 11 for further information.

[5] Includes $1,205 of tax benefit from partial release of deferred tax asset valuation reserves - see Note 11 for further information.

[6] Includes $9,010 of income from the final CDSOA distribution - see Note 8 for further details. Also includes restructuring and asset impairment charges of $475 and lease exit costs of $131 - see Note 15 for further details. Also includes $1,592 of tax benefit from partial release of deferred tax asset valuation reserves - see Note 11 for further information.

[7] Includes restructuring and asset impairment charges of $236 and lease exit costs of $228 - see Note 15 for further details. Also includes $806 charge for other than temporary impairment to our investment in Fortress - see Note 7 for further details.