Note 14 - Operating Segments - Financial Information About Geographic Areas (Details) $ in Thousands	12 Months Ended
Nov. 28, 2015 USD ($)	Nov. 29, 2014 USD ($)	Nov. 30, 2013 USD ($)
UNITED STATES
Sales revenue	$ 891,436	$ 878,058	$ 855,053
Property, plant and equipment, net	193,819	205,412	185,260
All Other Countries with Less than 10 Percent of Total [Member]
Sales revenue	1,192,224	1,226,396	1,191,915
Property, plant and equipment, net	123,265	140,173	133,590
GERMANY
Property, plant and equipment, net	101,013	116,301	86,335
CHINA
Property, plant and equipment, net	94,763	40,748	29,202
Sales revenue	2,083,660	2,104,454	2,046,968
Property, plant and equipment, net	$ 512,860	$ 502,634	$ 434,387

Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.13)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 13
-Subparagraph a
-Article 5

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 03
-Paragraph 8
-Article 7

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant