Note 14 - Income Taxes - Summary of Valuation Allowances Against Deferred Tax Assets (Valuation Allowance of Deferred Tax Assets (Details) - USD ($) $ in Thousands	12 Months Ended
Nov. 26, 2016	Nov. 28, 2015	Nov. 29, 2014
Balance, beginning of the year		$ 70	$ 1,044
Additions charged to expense
Deductions reducing expense		(70)	(974)
Balance, end of the year			$ 70

Total of allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 4
-Subparagraph (SX 210.12-09)
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690

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Amount of increase in the allowances and reserves, which consist of the valuation and qualifying accounts that are either netted against the cost of an asset or that reflect a liability established to represent expected future costs, from charges to costs and expenses.

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- Definition

Total of the deductions in a given period to allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs, representing receivables written off as uncollectible and portions of the reserves utilized, respectively.

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