Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2020

Goodwill and Other Intangible Assets [Abstract]

Goodwill Rollforward

The changes in the carrying amount of goodwill by segment for the years ended December 31, 2020 and 2019 were as follows:

	Optoelectronic Components		Resistors			Inductors		Total
Balance at December 31, 2018	$	96,849	$	24,816		$	25,815	$	147,480
Bi-Metallix acquisition		-		3,324			-		3,324
Exchange rate effects		-		(162	)		-		(162	)
Balance at December 31, 2019	$	96,849	$	27,978		$	25,815	$	150,642
Applied Thin-Film Products acquisition		-		6,548			-		6,548
Exchange rate effects		-		993			-		993
Balance at December 31, 2020	$	96,849	$	35,519		$	25,815	$	158,183

Other Intangible Assets

Other intangible assets are as follows:

	December 31, 2020			December 31, 2019
Intangible assets subject to amortization:
Patents and acquired technology	$	21,259		$	31,125
Capitalized software		58,419			55,862
Customer relationships		71,454			59,603
Tradenames		23,105			22,510
		174,237			169,100
Accumulated amortization:
Patents and acquired technology		(14,340	)		(24,905	)
Capitalized software		(52,990	)		(50,976	)
Customer relationships		(28,659	)		(23,871	)
Tradenames		(11,453	)		(8,689	)
		(107,442	)		(108,441	)
Net Intangible Assets Subject to Amortization	$	66,795		$	60,659

Estimated Annual Amortization Expense for Each of the Next Five Years

Estimated annual amortization expense of intangible assets on the balance sheet at December 31, 2020 for each of the next five years is as follows:

2021	$	7,920
2022		7,227
2023		6,992
2024		6,652
2025		6,384