Goodwill and Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

The changes in the carrying amount of goodwill for the period ending June 30, 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	—		786		5,121		—		5,907
Purchase accounting adjustment	—		116		—		—		116
DSP acquisition	—		17,793		—		—		17,793
June 30, 2017	$	51,693	$	110,226	$	68,104	$	2,224	$	232,247

Intangible Assets

Intangible Assets

	June 30, 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	$	10,161	$	1,637	$	8,524	$	6,825	$	1,156	$	5,669
Technology	72,826		29,037		43,789		68,880		24,365		44,515
Covenant not to compete	1,729		1,004		725		1,419		932		487
Customer relationships	127,887		18,205		109,682		96,148		14,311		81,837
Total definite lived intangible assets	212,603		49,883		162,720		173,272		40,764		132,508
Indefinite lived intangible assets	4,506		—		4,506		4,168		—		4,168
Total intangible assets	$	217,109	$	49,883	$	167,226	$	177,440	$	40,764	$	136,676

Weighted Average Amortization Period, by Intangible Asset Class

The weighted average amortization period as of June 30, 2017, by intangible asset class, is presented in the table below:

Intangible Asset Class	Weighted Average Amortization Period (Years)
Trademarks and patents	7.2
Technology	6.0
Customer relationships	10.3
Covenant not to compete	3.4
Total definite lived intangible assets	8.9