Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2018

Goodwill and Other Intangible Assets [Abstract]

Goodwill rollforward

The changes in the carrying amount of goodwill by segment for the years ended December 31, 2018 and 2017 were as follows:

	Optoelectronic Components		Resistors & Inductors			Total
Balance at January 1, 2017	$	96,849	$	44,558		$	141,407
Exchange rate effects		-		1,335			1,335
Balance at December 31, 2017	$	96,849		45,893			142,742
UltraSource acquisition		-		4,227			4,227
EuroPower acquisition		-		1,068			1,068
Exchange rate effects		-		(557	)		(557	)
Balance at December 31, 2018	$	96,849	$	50,631		$	147,480

Other Intangible Assets

Other intangible assets are as follows:

	December 31, 2018			December 31, 2017
Intangible assets subject to amortization:
Patents and acquired technology	$	32,854		$	71,596
Capitalized software		53,218			54,325
Customer relationships		59,119			63,655
Tradenames		23,041			55,272
Non-competition agreements		-			606
		168,232			245,454
Accumulated amortization:
Patents and acquired technology		(26,469	)		(63,868	)
Capitalized software		(49,288	)		(50,246	)
Customer relationships		(19,958	)		(26,622	)
Tradenames		(6,829	)		(34,378	)
Non-competition agreements		-			(586	)
		(102,544	)		(175,700	)
Net Intangible Assets Subject to Amortization	$	65,688		$	69,754

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, 2018 for each of the next five years is as follows:

2019	$	8,424
2020		7,433
2021		6,543
2022		5,891
2023		5,668