Goodwill and Acquired Intangible Assets (Details 2) (USD $) In Thousands, unless otherwise specified	Nov. 30, 2013	Dec. 01, 2012
Indefinite and Finite-Lived Intangible Assets [Line Items]
Trademarks - indefinite lived	$ 42,661	$ 42,332
Intangible asset, net - finite lived	47,220	53,349
Acquired intangible assets, less accumulated amortization	89,881	95,681
Trademarks [Member]
Indefinite and Finite-Lived Intangible Assets [Line Items]
Intangible asset, gross - finite lived	795	788
Accumulated amortization - finite lived intangible asset	(433)	(405)
Intangible asset, net - finite lived	362	383
Customer relationships [Member]
Indefinite and Finite-Lived Intangible Assets [Line Items]
Intangible asset, gross - finite lived	49,553	49,795
Accumulated amortization - finite lived intangible asset	(22,031)	(18,514)
Intangible asset, net - finite lived	27,522	31,281
Other Acquired Intangibles [Member]
Indefinite and Finite-Lived Intangible Assets [Line Items]
Intangible asset, gross - finite lived	40,137	40,128
Accumulated amortization - finite lived intangible asset	(20,801)	(18,443)
Intangible asset, net - finite lived	19,336	21,685
Engine Mobile Filtration [Member]
Indefinite and Finite-Lived Intangible Assets [Line Items]
Trademarks - indefinite lived	603	603
Intangible asset, net - finite lived	2,642	2,788
Acquired intangible assets, less accumulated amortization	3,245	3,391
Engine Mobile Filtration [Member] | Trademarks [Member]
Indefinite and Finite-Lived Intangible Assets [Line Items]
Intangible asset, gross - finite lived	307	300
Accumulated amortization - finite lived intangible asset	(104)	(89)
Intangible asset, net - finite lived	203	211
Engine Mobile Filtration [Member] | Customer relationships [Member]
Indefinite and Finite-Lived Intangible Assets [Line Items]
Intangible asset, gross - finite lived	4,309	4,278
Accumulated amortization - finite lived intangible asset	(1,870)	(1,701)
Intangible asset, net - finite lived	2,439	2,577
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	42,058	41,729
Intangible asset, net - finite lived	44,578	50,561
Acquired intangible assets, less accumulated amortization	86,636	92,290
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	(329)	(316)
Intangible asset, net - finite lived	159	172
Industrial Environmental Filtration [Member] | Customer relationships [Member]
Indefinite and Finite-Lived Intangible Assets [Line Items]
Intangible asset, gross - finite lived	45,244	45,517
Accumulated amortization - finite lived intangible asset	(20,161)	(16,813)
Intangible asset, net - finite lived	25,083	28,704
Industrial Environmental Filtration [Member] | Other Acquired Intangibles [Member]
Indefinite and Finite-Lived Intangible Assets [Line Items]
Intangible asset, gross - finite lived	39,894	39,885
Accumulated amortization - finite lived intangible asset	(20,558)	(18,200)
Intangible asset, net - finite lived	19,336	21,685
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