Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2024

Goodwill and Other Intangible Assets [Abstract]

Goodwill Rollforward

The changes in the carrying amount of goodwill by segment for the years ended December 31, 2024 and 2023 were as follows:

	MOSFETs			Optoelectronic Components		Resistors			Inductors		Capacitors		Total
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
Newport acquisition		32,241			-		-			-		-		32,241
Ametherm acquisition		-			-		11,685			-		-		11,685
Birkelbach acquisition		-			-		-			-		777		777
Impairment of goodwill		(66,487	)		-		-			-		-		(66,487	)
Exchange rate effects		-			-		(627	)		-		-		(627	)
Balance at December 31, 2024	$	-		$	96,849	$	55,564		$	25,815	$	777	$	179,005

Other Intangible Assets

Other intangible assets are as follows:

	December 31, 2024			December 31, 2023
Intangible assets subject to amortization:
Patents and acquired technology	$	23,160		$	26,053
Capitalized software		62,158			62,360
Customer relationships		103,813			83,895
Tradenames		23,216			22,300
Other		-			400
		212,347			195,008
Accumulated amortization:
Patents and acquired technology		(7,316	)		(14,931	)
Capitalized software		(55,476	)		(54,203	)
Customer relationships		(45,053	)		(38,664	)
Tradenames		(17,279	)		(14,610	)
Other		-			(267	)
		(125,124	)		(122,675	)
Net intangible assets subject to amortization	$	87,223		$	72,333

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, 2024 for each of the next five years is as follows:

2025	$	13,074
2026		12,267
2027		9,319
2028		8,346
2029		8,121