Goodwill and Acquired Intangible Assets (Details 2) (USD $) In Thousands, unless otherwise specified	Dec. 03, 2011	Nov. 27, 2010
Indefinite and Finite-Lived Intangible Assets [Line Items]
Trademarks - indefinite lived	$ 42,525	$ 41,625
Intangible asset, net - finite lived	56,149	49,549
Acquired intangible assets, less accumulated amortization	98,674	91,174
Trademarks [Member]
Indefinite and Finite-Lived Intangible Assets [Line Items]
Intangible asset, gross - finite lived	794	788
Accumulated amortization - finite lived intangible asset	(376)	(345)
Intangible asset, net - finite lived	418	443
Customer relationships [Member]
Indefinite and Finite-Lived Intangible Assets [Line Items]
Intangible asset, gross - finite lived	46,950	38,349
Accumulated amortization - finite lived intangible asset	(15,094)	(11,933)
Intangible asset, net - finite lived	31,856	26,416
Other Acquired Intangibles [Member]
Indefinite and Finite-Lived Intangible Assets [Line Items]
Intangible asset, gross - finite lived	39,875	36,171
Accumulated amortization - finite lived intangible asset	(16,000)	(13,481)
Intangible asset, net - finite lived	23,875	22,690
Engine Mobile Filtration [Member]
Indefinite and Finite-Lived Intangible Assets [Line Items]
Trademarks - indefinite lived	603	603
Intangible asset, net - finite lived	2,953	3,034
Acquired intangible assets, less accumulated amortization	3,556	3,637
Engine Mobile Filtration [Member] \| Trademarks [Member]
Indefinite and Finite-Lived Intangible Assets [Line Items]
Intangible asset, gross - finite lived	306	302
Accumulated amortization - finite lived intangible asset	(74)	(58)
Intangible asset, net - finite lived	232	244
Engine Mobile Filtration [Member] \| Customer relationships [Member]
Indefinite and Finite-Lived Intangible Assets [Line Items]
Intangible asset, gross - finite lived	4,256	4,161
Accumulated amortization - finite lived intangible asset	(1,535)	(1,371)
Intangible asset, net - finite lived	2,721	2,790
Engine Mobile Filtration [Member] \| Other Acquired Intangibles [Member]
Indefinite and Finite-Lived Intangible Assets [Line Items]
Intangible asset, gross - finite lived	243	243
Accumulated amortization - finite lived intangible asset	(243)	(243)
Intangible asset, net - finite lived	0	0
Industrial Environmental Filtration [Member]
Indefinite and Finite-Lived Intangible Assets [Line Items]
Trademarks - indefinite lived	41,922	41,022
Intangible asset, net - finite lived	53,196	46,515
Acquired intangible assets, less accumulated amortization	95,118	87,537
Industrial Environmental Filtration [Member] \| Trademarks [Member]
Indefinite and Finite-Lived Intangible Assets [Line Items]
Intangible asset, gross - finite lived	488	486
Accumulated amortization - finite lived intangible asset	(302)	(287)
Intangible asset, net - finite lived	186	199
Industrial Environmental Filtration [Member] \| Customer relationships [Member]
Indefinite and Finite-Lived Intangible Assets [Line Items]
Intangible asset, gross - finite lived	42,694	34,188
Accumulated amortization - finite lived intangible asset	(13,559)	(10,562)
Intangible asset, net - finite lived	29,135	23,626
Industrial Environmental Filtration [Member] \| Other Acquired Intangibles [Member]
Indefinite and Finite-Lived Intangible Assets [Line Items]
Intangible asset, gross - finite lived	39,632	35,928
Accumulated amortization - finite lived intangible asset	(15,757)	(13,238)
Intangible asset, net - finite lived	23,875	22,690
Packaging [Member]
Indefinite and Finite-Lived Intangible Assets [Line Items]
Trademarks - indefinite lived	0	0
Intangible asset, net - finite lived	0	0
Acquired intangible assets, less accumulated amortization	0	0
Packaging [Member] \| Trademarks [Member]
Indefinite and Finite-Lived Intangible Assets [Line Items]
Intangible asset, gross - finite lived	0	0
Accumulated amortization - finite lived intangible asset	0	0
Intangible asset, net - finite lived	0	0
Packaging [Member] \| Customer relationships [Member]
Indefinite and Finite-Lived Intangible Assets [Line Items]
Intangible asset, gross - finite lived	0	0
Accumulated amortization - finite lived intangible asset	0	0
Intangible asset, net - finite lived	0	0
Packaging [Member] \| Other Acquired Intangibles [Member]
Indefinite and Finite-Lived Intangible Assets [Line Items]
Intangible asset, gross - finite lived	0	0
Accumulated amortization - finite lived intangible asset	0	0
Intangible asset, net - finite lived	$ 0	$ 0

The accumulated amount of amortization of a major finite-lived intangible asset class. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company.

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 142

-Paragraph 45

-Subparagraph a(1)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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

-Publisher FASB

-Name Accounting Standards Codification

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-Section 50

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Sum of the gross carrying amounts before accumulated amortization as of the balance sheet date of all intangible assets having statutory or estimated useful lives. The aggregate gross carrying amount (including any previously recognized impairment charges) of a major finite-lived intangible asset class. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company.

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The aggregate sum of gross carrying value of a major finite-lived intangible asset class, less accumulated amortization and any impairment charges. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company.

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Carrying amount (original costs adjusted for previously recognized amortization and impairment) as of the balance sheet date for the rights acquired through registration of a trademark to gain or protect exclusive use of a business name, symbol or other device or style for a projected indefinite period of benefit.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 142

-Paragraph 45

-Subparagraph b

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

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Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 142

-Paragraph 42, 45

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

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-URI http://asc.fasb.org/extlink&oid=6905858&loc=d3e16323-109275

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