Goodwill and Acquired Intangible Assets (Tables)

3 Months Ended

Apr. 03, 2022

Changes in Carrying Amount of Goodwill by Segment

The changes in the carrying amount of goodwill by reportable segments for the three months ended April 3, 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		(6,122	)		—			(14	)		—			(6,136	)
Balance at April 3, 2022
Goodwill		399,849			361,819			262,087			158,699			1,182,454
Accumulated impairment losses		—			(353,843	)		(260,540	)		(148,183	)		(762,566	)
Total goodwill	$	399,849		$	7,976		$	1,547		$	10,516		$	419,888

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 April 3, 2022
Developed technology	$	272,547	$	(226,648	)	$	(4,565	)	$	41,334
Customer relationships		57,739		(49,492	)		194			8,441
Tradenames and trademarks		59,387		(38,494	)		(822	)		20,071
Total intangible assets	$	389,673	$	(314,634	)	$	(5,193	)	$	69,846
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	$	14,879
2023		19,377
2024		19,069
2025		11,456
2026		2,404
Thereafter		2,661