Goodwill and Acquired Intangible Assets (Tables)

12 Months Ended

Nov. 30, 2013

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of goodwill

The following table reconciles the activity for goodwill by segment for fiscal years 2013 and 2012.  All goodwill is stated on a gross basis, as the Company has not recorded any impairment charges against goodwill.

	Engine/Mobile Filtration		Industrial/ Environmental Filtration			Packaging		Total
November 30, 2011	$	21,087	$	214,443		$	—	$	235,530
Acquisitions	—		5,596			—		5,596
Currency translation adjustments	506		292			—		798
November 30, 2012	$	21,593	$	220,331		$	—	$	241,924
Acquisitions	—		—			—		—
Currency translation adjustments	275		(900		)	—		(625		)
November 30, 2013	$	21,868	$	219,431		$	—	$	241,299

Schedule of intangible assets by segment

The following table summarizes acquired intangible assets by segment.  Other acquired intangible assets include parts manufacturer regulatory approvals, proprietary technology, patents and noncompete agreements.

	Engine/Mobile Filtration			Industrial/ Environmental Filtration			Packaging		Total
November 30, 2013
Indefinite Lived Intangibles:
Trademarks - indefinite lived	$	603		$	42,058		$	—	$	42,661
Finite Lived Intangibles:
Trademarks - finite lived, gross	307			488			—		795
Accumulated amortization	(104		)	(329		)	—		(433		)
Trademarks - finite lived, net	$	203		$	159		$	—	$	362
Customer relationships, gross	$	4,309		$	45,244		$	—	$	49,553
Accumulated amortization	(1,870		)	(20,161		)	—		(22,031		)
Customer relationships, net	$	2,439		$	25,083		$	—	$	27,522
Other acquired intangibles, gross	$	243		$	39,894		$	—	$	40,137
Accumulated amortization	(243		)	(20,558		)	—		(20,801		)
Other acquired intangibles, net	$	—		$	19,336		$	—	$	19,336
Total finite lived intangible assets, net	$	2,642		$	44,578		$	—	$	47,220
Acquired intangible assets, less accumulated amortization	$	3,245		$	86,636		$	—	$	89,881

	Engine/Mobile Filtration			Industrial/ Environmental Filtration			Packaging		Total
November 30, 2012
Indefinite Lived Intangibles:
Trademarks - indefinite lived	$	603		$	41,729		$	—	$	42,332
Finite Lived Intangibles:
Trademarks - finite lived, gross	300			488			—		788
Accumulated amortization	(89		)	(316		)	—		(405		)
Trademarks - finite lived, net	$	211		$	172		$	—	$	383
Customer relationships, gross	$	4,278		$	45,517		$	—	$	49,795
Accumulated amortization	(1,701		)	(16,813		)	—		(18,514		)
Customer relationships, net	$	2,577		$	28,704		$	—	$	31,281
Other acquired intangibles, gross	$	243		$	39,885		$	—	$	40,128
Accumulated amortization	(243		)	(18,200		)	—		(18,443		)
Other acquired intangibles, net	$	—		$	21,685		$	—	$	21,685
Total finite lived intangible assets, net	$	2,788		$	50,561		$	—	$	53,349
Acquired intangible assets, less accumulated amortization	$	3,391		$	92,290		$	—	$	95,681

Schedule of expected amortization expense

The following tables summarize actual amortization expense for the past three fiscal years and estimated amortization expense for the next five fiscal years.

Amortization expense for the years ended:
2013	$	5,904
2012	5,890
2011	5,609

Estimated amortization expense for the next five years:
2014	$	5,685
2015	5,623
2016	5,448
2017	5,253
2018	4,589