Note 11 - Income Taxes - Unrecognized Tax Benefits (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 01, 2018	Dec. 02, 2017
Balance at beginning of year	$ 8,887	$ 4,165
Additions	622	613
Additions	1,625	6,943
Reductions	(763)	(1,585)
Settlements	(15)	(708)
Lapses in applicable statutes of limitation	(1,936)	(541)
Balance at end of year	$ 8,420	$ 8,887

Amount of unrecognized tax benefits.

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