Note 8 - Income Taxes - Unrecognized Tax Benefits (Details) - USD ($) $ in Thousands	12 Months Ended
Nov. 28, 2015	Nov. 29, 2014
Balance at beginning of year	$ 4,787	$ 5,151
Current year tax positions, additions	877	600
Prior year tax positions, additions	439	178
Prior year tax positions reductions	$ (557)	(177)
Settlements		(13)
Lapses in applicable statutes of limitation	$ (676)	(952)
Balance at end of year	$ 4,870	$ 4,787

Amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 15A
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6907707&loc=SL6600010-109319

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Unrecognized Tax Benefit
-URI http://asc.fasb.org/extlink&oid=6527854

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Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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