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Restructuring Charges (Tables)

9 Months Ended

Sep. 30, 2023

Restructuring and Related Activities [Abstract]

Restructuring Costs by Reportable Segment

Total restructuring charges for both the 2022 and 2021 restructuring plans included in our Condensed Consolidated Statements of Income were as follows (in thousands):

			Three Months Ended
			September 30, 2023																		September 24, 2022
			Probe Cards						Systems						Total						Probe Cards						Systems						Total
Cost of revenues			$	—					$	—					$	—					$	5,928					$	132					$	6,060
Research and development			—						—						—						38						29						67
Selling, general and administrative			—						—						—						—						47						47
			$	—					$	—					$	—					$	5,966					$	208					$	6,174
			Nine Months Ended
			September 30, 2023																		September 24, 2022
			Probe Cards						Systems						Total						Probe Cards						Systems						Total
Cost of revenues			$	106					$	251					$	357					$	6,194					$	459					$	6,653
Research and development			182						109						291						38						228						266
Selling, general and administrative			1,069						118						1,187						3						146						149
			$	1,357					$	478					$	1,835					$	6,235					$	833					$	7,068

Schedule of Restructuring Accrual Activity

Changes to the restructuring accrual in the nine months ended September 30, 2023 were as follows (in thousands):

			Employee Severance and Benefits						Stock-based Compensation						Inventory Impairments & Other Inventory Related Costs												Contract Termination & Other Costs												Total
December 31, 2022			$	1,249					$	—					$	—											$	—											$	1,249
Restructuring charges			917						295						390												233												1,835
Cash payments			(2,137)						—						(89)												(233)												(2,459)
Non-cash settlement			—						(295)						(301)												—												(596)
September 30, 2023			$	29					$	—					$	—											$	—											$	29

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Tabular disclosure of costs incurred for restructuring including, but not limited to, exit and disposal activities, remediation, implementation, integration, asset impairment, and charges against earnings from the write-down of assets.

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Tabular disclosure of an entity's restructuring reserve that occurred during the period associated with the exit from or disposal of business activities or restructurings for each major type of cost. This element may also include a description of any reversal and other adjustment made during the period to the amount of an accrued liability for restructuring activities. This element may be used to encapsulate the roll forward presentations of an entity's restructuring reserve by type of cost and in total, and explanation of changes that occurred in the period.

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