Goodwill and Acquired Intangible Assets (Tables)

9 Months Ended

Oct. 02, 2022

Changes in Carrying Amount of Goodwill by Segment

The changes in the carrying amount of goodwill by reportable segments for the nine months ended October 2, 2022, were as follows:

	Industrial Automation			Wireless Test			Semiconductor Test			System Test			Total
	(in thousands)
Balance at December 31, 2021
Goodwill	$	405,971		$	361,819		$	262,101		$	158,699		$	1,188,590
Accumulated impairment losses		—			(353,843	)		(260,540	)		(148,183	)		(762,566	)
Total Goodwill		405,971			7,976			1,561			10,516			426,024
Foreign currency translation adjustment		(50,126	)		—			(99	)		—			(50,225	)
Balance at October 2, 2022
Goodwill		355,845			361,819			262,002			158,699			1,138,365
Accumulated impairment losses		—			(353,843	)		(260,540	)		(148,183	)		(762,566	)
Total Goodwill	$	355,845		$	7,976		$	1,462		$	10,516		$	375,799

Schedule of Amortizable Intangible Assets

Amortizable intangible assets consist of the following and are included in intangible assets, net on the balance sheet:

	Gross Carrying Amount		Accumulated Amortization			Foreign Currency Translation Adjustment			Net Carrying Amount
	(in thousands)
Balance at October 2, 2022
Developed technology	$	272,547	$	(232,802	)	$	(7,620	)	$	32,125
Customer relationships		57,739		(50,623	)		126			7,242
Tradenames and trademarks		59,387		(40,809	)		(2,365	)		16,213
Total intangible assets	$	389,673	$	(324,234	)	$	(9,859	)	$	55,580
Balance, December 31, 2021
Developed technology	$	272,547	$	(223,413	)	$	(4,093	)	$	45,041
Customer relationships		57,739		(48,921	)		209			9,027
Tradenames and trademarks		59,387		(37,237	)		(583	)		21,567
Total intangible assets	$	389,673	$	(309,571	)	$	(4,467	)	$	75,635

Schedule of Estimated Intangible Assets Amortization Expense

Estimated intangible asset amortization expense for each of the five succeeding fiscal years and thereafter is as follows:

Year	Amortization Expense
	(in thousands)
2022	$	4,592
2023		17,922
2024		17,617
2025		10,855
2026		2,262
Thereafter		2,332