Goodwill and Intangible Assets (Tables)

3 Months Ended

Apr. 01, 2023

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill by Reportable Segments

Goodwill by reportable segment was as follows (in thousands):

	Probe Cards		Systems		Total
Goodwill, as of December 25, 2021	$	178,424	$	33,875	$	212,299
Addition - Woburn Acquisition	—		550		550
Foreign currency translation	—		(1,405)		(1,405)
Goodwill, as of December 31, 2022	178,424		33,020		211,444
Foreign currency translation	—		329		329
Goodwill, as of April 1, 2023	$	178,424	$	33,349	$	211,773

Schedule of Intangible Assets

Intangible assets were as follows (in thousands):

	April 1, 2023						December 31, 2022
Intangible Assets	Gross		Accumulated Amortization		Net		Gross		Accumulated Amortization		Net
Existing developed technologies	$	171,750	$	152,260	$	19,490	$	171,441	$	151,212	$	20,229
Customer relationships	50,996		46,559		4,437		50,912		45,003		5,909
Trade name	7,992		7,833		159		7,972		7,759		213
In-process research and development	400		—		400		400		—		400
	$	231,138	$	206,652	$	24,486	$	230,725	$	203,974	$	26,751

Schedule of Amortization Expense

Amortization expense was included in our Condensed Consolidated Statements of Income as follows (in thousands):

	Three Months Ended
	April 1, 2023		March 26, 2022
Cost of revenues	$	831	$	808
Selling, general and administrative	1,547		1,561
	$	2,378	$	2,369

Schedule of Estimated Amortization of Intangible Assets

The estimated future amortization of definite-lived intangible assets, excluding in-process research and development, is as follows (in thousands):

Fiscal Year	Amount
Remainder of 2023	$	4,813
2024	4,611
2025	4,268
2026	3,175
2027	2,832
Thereafter	4,387
	$	24,086