Goodwill and Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

The changes in the carrying amount of goodwill for the period ending March 31, 2017, by segment, were as follows:

(Dollars in thousands)	Advanced Connectivity Solutions		Elastomeric Material Solutions		Power Electronics Solutions		Other		Total
December 31, 2016	$	51,693	$	91,531	$	62,983	$	2,224	$	208,431
Foreign currency translation adjustment	—		1,143		746		—		1,889
Purchase accounting adjustment	—		116		—		—		116
DSP acquisition	—		17,793		—		—		17,793
March 31, 2017	$	51,693	$	110,583	$	63,729	$	2,224	$	228,229

Intangible Assets

Intangible Assets

	March 31, 2017						December 31, 2016
(Dollars in thousands)	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Trademarks and patents	$	10,177	$	1,401	$	8,776	$	6,825	$	1,156	$	5,669
Technology	71,086		26,217		44,869		68,880		24,365		44,515
Covenant not to compete	1,751		1,009		742		1,419		932		487
Customer relationships	127,102		16,127		110,975		96,148		14,311		81,837
Total definite lived intangible assets	210,116		44,754		165,362		173,272		40,764		132,508
Indefinite lived intangible assets	4,217		—		4,217		4,168		—		4,168
Total intangible assets	$	214,333	$	44,754	$	169,579	$	177,440	$	40,764	$	136,676

Weighted Average Amortization Period, by Intangible Asset Class

The weighted average amortization period as of March 31, 2017, by intangible asset class, is presented in the table below:

Intangible Asset Class	Weighted Average Amortization Period (Years)
Trademarks and patents	7.0
Technology	5.8
Customer relationships	10.1
Covenant not to compete	3.3
Total definite lived intangible assets	8.8