Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2023

Goodwill and Other Intangible Assets [Abstract]

Goodwill Rollforward

The changes in the carrying amount of goodwill by segment for the years ended December 31, 2023 and 2022 were as follows:

	MOSFETs			Optoelectronic Components		Resistors			Inductors		Total
Balance at December 31, 2021	$	-		$	96,849	$	42,605		$	25,815	$	165,269
MaxPower acquisition		36,885			-		-			-		36,885
Exchange rate effects		-			-		(722	)		-		(722	)
Balance at December 31, 2022	$	36,885		$	96,849	$	41,883		$	25,815	$	201,432
Centerline acquisition		-			-		2,213			-		2,213
Purchase price allocation adjustment		(2,639	)		-		-			-		(2,639	)
Exchange rate effects		-			-		410			-		410
Balance at December 31, 2023	$	34,246		$	96,849	$	44,506		$	25,815	$	201,416

Other Intangible Assets

Other intangible assets are as follows:

	December 31, 2023		December 31, 2022
Intangible assets subject to amortization:
Patents and acquired technology	$	26,053	$	26,988
Capitalized software		62,360		58,735
Customer relationships		83,895		82,816
Tradenames		22,300		22,933
Other		400		400
		195,008		191,872
Accumulated amortization:
Patents and acquired technology		(14,931)		(14,743	)
Capitalized software		(54,203)		(53,348	)
Customer relationships		(38,664)		(33,021	)
Tradenames		(14,610)		(12,731	)
Other		(267)		(133	)
		(122,675)		(113,976	)
Net intangible assets subject to amortization	$	72,333	$	77,896

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, 2023 for each of the next five years is as follows:

2024	$	9,832
2025		9,372
2026		8,555
2027		6,734
2028		5,975