Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2012

Goodwill and Intangible Assets Disclosure [Abstract]

Intangible Assets [Table Text Block]

(Dollars in thousands)	December 31, 2012						December 31, 2011
	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Trademarks and patents	$	6,283	$	227	$	6,056	$	6,118	$	140	$	5,978
Technology	36,479		8,394		$	28,085	35,769		4,655		31,114
Covenant-not-to-compete	1,042		358		$	684	956		135		821
Customer relationships	20,529		2,066		$	18,463	19,851		1,315		18,536
Total other intangible assets	$	64,333	$	11,045	$	53,288	$	62,694	$	6,245	$	56,449

Weighted Average Amortization Period, by Intangible Asset Class [Table Text Block]

The weighted average amortization period as of December 31, 2012, by intangible asset class, is presented in the table below:

Intangible Asset Class	Weighted Average Amortization Period
Trademarks and patents	6.3
Technology	9.3
Covenant not-to-compete	3.9
Customer relationships	9.4
Total other intangible assets	7.6

Changes in the Carrying Amount of Goodwill, by Segment [Table Text Block]

The changes in the carrying amount of goodwill for the period ending December 31, 2012, by reportable segment, are as follows:

(Dollars in thousands)	High Performance Foams		Printed Circuit Materials		Curamik Electronics Solutions		Power Distribution Systems		Other		Total
December 31, 2011	$	22,597	$	—	$	77,357	$	—	$	2,224	$	102,178
Foreign currency translation adjustment	1,376		—		1,487		—		—		2,863
December 31, 2012	$	23,973	$	—	$	78,844	$	—	$	2,224	$	105,041