Goodwill and Other Intangible Assets

3 Months Ended

Mar. 31, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Other Intangible Assets

Goodwill and Other Intangible Assets

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	—		(788)		(1,272)		—		$	(2,060)
March 31, 2020	$	51,694	$	141,242	$	65,710	$	2,224	$	260,870

Other Intangible Assets

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

	March 31, 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	$	148,844	$	40,546	$	108,298	$	149,317	$	39,018	$	110,299
Technology	80,368		46,168		34,200		80,938		45,190		35,748
Trademarks and trade names	11,958		4,555		7,403		11,994		4,361		7,633
Covenants not to compete	1,340		585		755		1,340		505		835
Total definite-lived other intangible assets	242,510		91,854		150,656		243,589		89,074		154,515
Indefinite-lived other intangible asset	4,348		—		4,348		4,432		—		4,432
Total other intangible assets	$	246,858	$	91,854	$	155,004	$	248,021	$	89,074	$	158,947

In the table above, gross carrying amounts and accumulated amortization may differ from prior periods due to foreign exchange rate fluctuations.

Amortization expense was $3.7 million and $4.4 million, for the three months ended March 31, 2020 and 2019, respectively. The estimated future amortization expense is $10.9 million for the remainder of 2020 and $13.8 million, $13.3 million, $12.7 million and $11.4 million for 2021, 2022, 2023 and 2024, respectively.

The weighted average amortization period as of March 31, 2020, by definite-lived other intangible asset class, was as follows:

Definite-Lived Other Intangible Asset Class	Weighted Average Remaining Amortization Period
Customer relationships	7.2 years
Technology	4.1 years
Trademarks and trade names	4.8 years
Covenants not to compete	1.5 years
Total definite-lived other intangible assets	6.3 years