Goodwill and Other Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

The changes in the net carrying amount of goodwill by operating segment were as follows:

(Dollars in thousands)	Advanced Connectivity Solutions		Elastomeric Material Solutions		Power Electronics Solutions		Other		Total
December 31, 2019	$	51,694	$	142,030	$	66,982	$	2,224	$	262,930
Foreign currency translation adjustment	—		(176)		3,027		—		$	2,851
September 30, 2020	$	51,694	$	141,854	$	70,009	$	2,224	$	265,781

Schedule of Intangible Assets

The gross and net carrying amounts, as well as the accumulated amortization of other intangible assets were as follows:

	September 30, 2020						December 31, 2019
(Dollars in thousands)	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Customer relationships	$	149,891	$	58,935	$	90,956	$	149,317	$	39,018	$	110,299
Technology	82,102		50,776		31,326		80,938		45,190		35,748
Trademarks and trade names	11,986		6,676		5,310		11,994		4,361		7,633
Covenants not to compete	1,340		746		594		1,340		505		835
Total definite-lived other intangible assets	245,319		117,133		128,186		243,589		89,074		154,515
Indefinite-lived other intangible asset	4,632		—		4,632		4,432		—		4,432
Total other intangible assets	$	249,951	$	117,133	$	132,818	$	248,021	$	89,074	$	158,947

Schedule of Weighted Average Amortization Period, by Intangible Asset Class

The weighted average amortization period as of September 30, 2020, by definite-lived other intangible asset class, was as follows:

Definite-Lived Other Intangible Asset Class	Weighted Average Remaining Amortization Period
Customer relationships	5.5 years
Technology	4.0 years
Trademarks and trade names	3.8 years
Covenants not to compete	1.3 years
Total definite-lived other intangible assets	5.0 years