Note 11 - Reconciliation of Segment Operating Income to Income from Continuing Operations Before Income Taxes and Income from Equity Method Investments (Details) - USD ($) $ in Thousands	3 Months Ended
Feb. 27, 2016	Feb. 28, 2015
Segment operating income	$ 37,838	$ 21,373
Special charges, net	(413)	(2,361)
Other income (expense), net	(5,082)	363
Interest expense	(6,308)	(6,102)
Income before income taxes and income from equity method investments	$ 26,035	$ 13,273

Sum of operating profit and nonoperating income or expense before Income or Loss from equity method investments, income taxes, extraordinary items, and noncontrolling interest.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(h)(1)(i))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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- Definition

Amount of the cost of borrowed funds accounted for as interest expense for debt.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.8)
-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

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The net result for the period of deducting operating expenses from operating revenues.

+ References

No definition available.

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- Definition

Amount of other expense (income) that is infrequent in occurrence or unusual in nature.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 20
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6365513&loc=d3e15122-107781

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The net amount of other operating income and expenses, the components of which are not separately disclosed on the income statement, from items that are associated with the entity's normal revenue producing operations.

+ References

No definition available.

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