Goodwill and Intangible Assets

9 Months Ended

Sep. 24, 2022

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


	Probe Cards		Systems		Total
Goodwill, as of December 26, 2020	$	178,072	$	34,689	$	212,761

Addition - Baldwin Park Acquisition	352		—		352
Addition - HPD Acquisition	—		1,254		1,254
Foreign currency translation	—		(2,068)		(2,068)
Goodwill, as of December 25, 2021	178,424		33,875		212,299

Addition - Woburn Acquisition	—		550		550
Foreign currency translation	—		(3,744)		(3,744)
Goodwill, as of June 25, 2022	$	178,424	$	30,681	$	209,105

We have not recorded goodwill impairments for the nine months ended September 24, 2022.

Intangible assets were as follows (in thousands):


	September 24, 2022						December 25, 2021
Intangible Assets	Gross		Accumulated Amortization		Net		Gross		Accumulated Amortization		Net
Existing developed technologies	$	169,246	$	148,916	$	20,330	$	172,259	$	148,784	$	23,475
Customer relationships	50,316		43,094		7,222		51,270		39,254		12,016
Trade name	7,835		7,579		256		8,054		7,603		451
Backlog	—		—		—		1,896		1,896		—
In-process research and development	400		—		400		400		—		400
	$	227,797	$	199,589	$	28,208	$	233,879	$	197,537	$	36,342

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


	Three Months Ended				Nine Months Ended
	September 24, 2022		September 25, 2021		September 24, 2022		September 25, 2021
Cost of revenues	$	824	$	858	$	2,420	$	11,453
Selling, general and administrative	1,530		1,604		4,636		4,909
	$	2,354	$	2,462	$	7,056	$	16,362

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