Note 14 - Income Taxes - Components of Income Tax Provision (Benefit) (Details) - USD ($) $ in Thousands	12 Months Ended
Nov. 25, 2017	Nov. 26, 2016	Nov. 28, 2015
Current:
Federal	$ 7,887	$ 3,728	$ 7,972
State	2,035	896	1,533
Deferred:
Increase (decrease) in valuation allowance			(70)
Federal	(200)	4,559	1,520
State	(102)	765	480
Total	$ 9,620	$ 9,948	$ 11,435

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