Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

Changes in the carrying amount of goodwill, by segment

The changes in the carrying amount of goodwill for the period ending December 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	$	51,694	$	142,588		$	68,379		$	2,224	$	264,885
Foreign currency translation adjustment	—		(558		)	(1,397		)	—		(1,955		)
December 31, 2019	$	51,694	$	142,030		$	66,982		$	2,224	$	262,930

Intangible assets

The changes in the carrying amount of other intangible assets for the two-year period ending December 31, 2019, were as follows:

	December 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	$	149,317	$	39,018	$	110,299	$	149,753	$	30,078	$	119,675
Technology	80,938		45,190		35,748		81,535		38,624		42,911
Trademarks and trade names	11,994		4,361		7,633		12,019		3,213		8,806
Covenants not to compete	1,340		505		835		1,340		249		1,091
Total definite-lived other intangible assets	243,589		89,074		154,515		244,647		72,164		172,483
Indefinite-lived other intangible asset	4,432		—		4,432		4,525		—		4,525
Total other intangible assets	$	248,021	$	89,074	$	158,947	$	249,172	$	72,164	$	177,008

Weighted average amortization period, by intangible asset class

The weighted average amortization period as of December 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	7.3
Technology	4.1
Trademarks and trade names	4.9
Covenants not to compete	1.6
Total definite-lived other intangible assets	6.4