Goodwill and Acquired Intangible Assets (Tables)

6 Months Ended

Jun. 29, 2025

Goodwill and Intangible Assets Disclosure [Abstract]

Changes in Carrying Amount of Goodwill by Segment

The changes in the carrying amount of goodwill by reportable segments for the six months ended June 29, 2025, were as follows:

	Robotics		Semiconductor Test			Product Test			Total
	(in thousands)
Balance at December 31, 2024
Goodwill	$	375,298	$	262,117		$	520,518		$	1,157,933
Accumulated impairment losses		—		(260,540	)		(502,026	)		(762,566	)
Total Goodwill		375,298		1,577			18,492			395,367
AET acquisition		—		1,257			—			1,257
Quantifi acquisition		—		—			83,068			83,068
Foreign currency translation adjustment		40,570		208			—			40,778
Balance at June 29, 2025
Goodwill	$	415,868	$	263,582		$	603,586		$	1,283,036
Accumulated impairment losses		—		(260,540	)		(502,026	)		(762,566	)
Total Goodwill	$	415,868	$	3,042		$	101,560		$	520,470

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 June 29, 2025
Developed technology	$	308,925	$	(260,597	)	$	(5,342	)	$	42,986
Customer relationships		56,480		(50,715	)		204			5,969
Tradenames and trademarks		63,407		(52,808	)		(1,321	)		9,278
Total intangible assets	$	428,812	$	(364,120	)	$	(6,459	)	$	58,233
Balance at December 31, 2024
Developed technology	$	267,706	$	(255,448	)	$	(5,820	)	$	6,438
Customer relationships		52,109		(49,562	)		204			2,751
Tradenames and trademarks		59,007		(50,805	)		(1,464	)		6,738
Total intangible assets	$	378,822	$	(355,815	)	$	(7,080	)	$	15,927

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)
2025	$	6,476
2026		7,531
2027		6,315
2028		6,234
2029		4,866
Thereafter		26,811