Goodwill and Other Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

The changes in the carrying amount of goodwill from December 31, 2018 to March 31, 2019 by operating segment, were as follows:



(Dollars in thousands)	Advanced Connectivity Solutions		Elastomeric Material Solutions			Power Electronics Solutions			Other		Total
December 31, 2018	$	51,693	$	142,589		$	68,379		$	2,224	$	264,885
Foreign currency translation adjustment	—		(273		)	(1,361		)	—		(1,634		)
March 31, 2019	$	51,693	$	142,316		$	67,018		$	2,224	$	263,251

Intangible Assets

Other Intangible Assets

The gross carrying amount, accumulated amortization and net carrying amount of other intangible assets as of March 31, 2019 and December 31, 2018 by classification type, were as follows:



	March 31, 2019						December 31, 2018
(Dollars in thousands)	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Customer relationships	$	149,404	$	32,196	$	117,208	$	149,753	$	30,078	$	119,675
Technology	80,979		39,925		41,054		81,535		38,624		42,911
Trademarks and trade names	12,007		3,496		8,511		12,019		3,213		8,806
Covenants not to compete	1,340		313		1,027		1,340		249		1,091
Total definite-lived other intangible assets	243,730		75,930		167,800		244,647		72,164		172,483
Indefinite-lived other intangible asset	4,434		—		4,434		4,525		—		4,525
Total other intangible assets	$	248,164	$	75,930	$	172,234	$	249,172	$	72,164	$	177,008

Weighted Average Amortization Period, by Intangible Asset Class

The weighted average amortization period as of March 31, 2019, by definite-lived other intangible asset class, is presented in the table below:



Definite-Lived Other Intangible Asset Class		Weighted Average Remaining Amortization Period
Customer relationships		7.5 years
Technology		4.3 years
Trademarks and trade names		5.0 years
Covenants not to compete		2.0 years
Total definite-lived other intangible assets		6.5 years