Goodwill and Acquired Intangible Assets (Details 2) (USD $) In Thousands, unless otherwise specified	Dec. 01, 2012	Dec. 03, 2011
Indefinite and Finite-Lived Intangible Assets [Line Items]
Trademarks - indefinite lived	$ 42,332	$ 42,525
Intangible asset, net - finite lived	53,349	56,149
Acquired intangible assets, less accumulated amortization	95,681	98,674
Trademarks [Member]
Indefinite and Finite-Lived Intangible Assets [Line Items]
Intangible asset, gross - finite lived	788	794
Accumulated amortization - finite lived intangible asset	(405)	(376)
Intangible asset, net - finite lived	383	418
Customer relationships [Member]
Indefinite and Finite-Lived Intangible Assets [Line Items]
Intangible asset, gross - finite lived	49,795	46,950
Accumulated amortization - finite lived intangible asset	(18,514)	(15,094)
Intangible asset, net - finite lived	31,281	31,856
Other Acquired Intangibles [Member]
Indefinite and Finite-Lived Intangible Assets [Line Items]
Intangible asset, gross - finite lived	40,128	39,875
Accumulated amortization - finite lived intangible asset	(18,443)	(16,000)
Intangible asset, net - finite lived	21,685	23,875
Engine Mobile Filtration [Member]
Indefinite and Finite-Lived Intangible Assets [Line Items]
Trademarks - indefinite lived	603	603
Intangible asset, net - finite lived	2,788	2,953
Acquired intangible assets, less accumulated amortization	3,391	3,556
Engine Mobile Filtration [Member] | Trademarks [Member]
Indefinite and Finite-Lived Intangible Assets [Line Items]
Intangible asset, gross - finite lived	300	306
Accumulated amortization - finite lived intangible asset	(89)	(74)
Intangible asset, net - finite lived	211	232
Engine Mobile Filtration [Member] | Customer relationships [Member]
Indefinite and Finite-Lived Intangible Assets [Line Items]
Intangible asset, gross - finite lived	4,278	4,256
Accumulated amortization - finite lived intangible asset	(1,701)	(1,535)
Intangible asset, net - finite lived	2,577	2,721
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	41,729	41,922
Intangible asset, net - finite lived	50,561	53,196
Acquired intangible assets, less accumulated amortization	92,290	95,118
Industrial Environmental Filtration [Member] | Trademarks [Member]
Indefinite and Finite-Lived Intangible Assets [Line Items]
Intangible asset, gross - finite lived	488	488
Accumulated amortization - finite lived intangible asset	(316)	(302)
Intangible asset, net - finite lived	172	186
Industrial Environmental Filtration [Member] | Customer relationships [Member]
Indefinite and Finite-Lived Intangible Assets [Line Items]
Intangible asset, gross - finite lived	45,517	42,694
Accumulated amortization - finite lived intangible asset	(16,813)	(13,559)
Intangible asset, net - finite lived	28,704	29,135
Industrial Environmental Filtration [Member] | Other Acquired Intangibles [Member]
Indefinite and Finite-Lived Intangible Assets [Line Items]
Intangible asset, gross - finite lived	39,885	39,632
Accumulated amortization - finite lived intangible asset	(18,200)	(15,757)
Intangible asset, net - finite lived	21,685	23,875
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