Note 12 - Income Taxes (Detail) - Summary of the valuation allowances against deferred tax assets (Valuation Allowance of Deferred Tax Assets [Member], USD $) In Thousands, unless otherwise specified	12 Months Ended
Nov. 24, 2012	Nov. 26, 2011	Nov. 27, 2010
Valuation Allowance of Deferred Tax Assets [Member]
Balance	$ 19,612	$ 36,806	$ 33,003
Additions charged to expense			2,962
Deductions reducing expense	(18,704)	(17,464)
Additions (deductions) recorded as a component of other comprehensive (income) loss		270	841
Balance	$ 908	$ 19,612	$ 36,806

Additions (Deductions) Recorded as a Component of Other Comprehensive Income Loss

No definition available.

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- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 09

-Article 12

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 4

-URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e24092-122690

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- Definition

+ References

+ Details

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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.

+ References

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