Note 11 - Earnings Per Share (Details) - Reconciliation of Basic and Diluted Loss Per Share - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	May. 30, 2015	May. 31, 2014	May. 30, 2015	May. 31, 2014
Reconciliation of Basic and Diluted Loss Per Share [Abstract]
Basic earnings per share (in Dollars)	$ 4,529	$ 2,551	$ 10,485	$ 3,394
Basic earnings per share	10,678,298	10,621,707	10,579,477	10,656,677
Basic earnings per share (in Dollars per share)	$ 0.42	$ 0.24	$ 0.99	$ 0.32
Add effect of dilutive securities:
Options and restricted shares	165,918	157,573	171,720	151,157
Options and restricted shares (in Dollars per share)			$ (0.01)	$ (0.01)
Diluted earnings per share (in Dollars)	$ 4,529	$ 2,551	$ 10,485	$ 3,394
Diluted earnings per share	10,844,216	10,779,280	10,751,197	10,807,834
Diluted earnings per share (in Dollars per share)	$ 0.42	$ 0.24	$ 0.98	$ 0.31