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Goodwill and Intangible Assets
 12 Months Ended
Dec. 27, 2025
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill and Intangible Assets Goodwill and Intangible Assets
Goodwill
Goodwill by reportable segment was as follows (in thousands):
Probe CardsSystemsTotal
Goodwill, as of December 30, 2023$178,424 $22,666 $201,090 
Reduction - China divestiture(1,055)(62)(1,117)
Foreign currency translation— (802)(802)
Goodwill, as of December 28, 2024177,369 21,802 199,171 
Acquisition - Keystone— 15,050 15,050 
Foreign currency translation— 1,808 1,808 
Goodwill, as of December 27, 2025$177,369 $38,660 $216,029 

Intangible Assets
Intangible assets were as follows (in thousands):
December 27, 2025December 28, 2024
Other Intangible Assets GrossAccumulated AmortizationNetGrossAccumulated AmortizationNet
Existing developed technologies $169,165 $152,863 $16,302 $159,360 $149,631 $9,729 
Trade name7,894 7,894 — 7,736 7,700 36 
Customer relationships48,249 48,249 — 47,831 47,241 590 
$225,308 $209,006 $16,302 $214,927 $204,572 $10,355 

Amortization expense was included in our Consolidated Statements of Income as follows (in thousands):
Fiscal Year Ended
December 27,
2025		December 28,
2024		December 30,
2023
Cost of revenues$1,838 $1,818 $3,081 
Selling, general and administrative625 764 3,769 
$2,463 $2,582 $6,850 

The estimated future amortization of definite-lived intangible assets, is as follows (in thousands):
Fiscal YearAmount
2026$2,604 
20272,582 
20282,471 
20292,471 
20301,899 
Thereafter4,275 
Total$16,302 
We did not record any impairment of intangible assets in fiscal 2025, 2024 and 2023.