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Operating Segments and Enterprise-Wide Information (Tables)

9 Months Ended

Sep. 30, 2023

Segment Reporting [Abstract]

Schedule of Operating Results by Segment

The following table summarizes the operating results by reportable segment (dollars in thousands):

			Three Months Ended
			September 30, 2023																								September 24, 2022
			Probe Cards						Systems						Corporate and Other						Total						Probe Cards						Systems						Corporate and Other						Total
Revenues			$	128,339					$	43,236					$	—					$	171,575					$	139,365					$	41,504					$	—					$	180,869
Gross profit			49,383						22,396						(2,494)						69,285						48,252						22,284						(8,323)						62,213
Gross margin			38.5		%				51.8		%										40.4		%				34.6		%				53.7		%										34.4		%
			Nine Months Ended
			September 30, 2023																								September 24, 2022
			Probe Cards						Systems						Corporate and Other						Total						Probe Cards						Systems						Corporate and Other						Total
Revenues			$	370,970					$	123,969					$	—					$	494,939					$	467,056					$	114,894					$	—					$	581,950
Gross profit			135,118						64,266						(8,738)						190,646						203,874						59,967						(13,035)						250,806
Gross margin			36.4		%				51.8		%										38.5		%				43.7		%				52.2		%										43.1		%

Schedule of Disaggregation of Revenue by Segment

Certain revenue category information by reportable segment was as follows (in thousands):

			Three Months Ended
			September 30, 2023																		September 24, 2022
			Probe Cards						Systems						Total						Probe Cards						Systems						Total
Market:
Foundry & Logic			$	96,366					$	—					$	96,366					$	90,605					$	—					$	90,605
DRAM			27,478						—						27,478						34,922						—						34,922
Flash			4,495						—						4,495						13,838						—						13,838
Systems			—						43,236						43,236						—						41,504						41,504
Total			$	128,339					$	43,236					$	171,575					$	139,365					$	41,504					$	180,869
Timing of revenue recognition:
Products transferred at a point in time			$	127,731					$	41,776					$	169,507					$	138,602					$	37,842					$	176,444
Products and services transferred over time			608						1,460						2,068						763						3,662						4,425
Total			$	128,339					$	43,236					$	171,575					$	139,365					$	41,504					$	180,869
Geographical region:
United States			$	31,182					$	12,543					$	43,725					$	25,909					$	12,180					$	38,089
Taiwan			39,155						3,820						42,975						32,227						4,611						36,838
South Korea			31,805						3,270						35,075						28,118						819						28,937
China			10,779						10,971						21,750						27,973						8,755						36,728
Europe			2,583						6,713						9,296						3,682						8,116						11,798
Japan			2,976						3,988						6,964						4,533						3,159						7,692
Malaysia			5,778						186						5,964						6,272						237						6,509
Singapore			2,752						925						3,677						7,983						2,374						10,357
Rest of the world			1,329						820						2,149						2,668						1,253						3,921
Total			$	128,339					$	43,236					$	171,575					$	139,365					$	41,504					$	180,869

			Nine Months Ended
			September 30, 2023																		September 24, 2022
			Probe Cards						Systems						Total						Probe Cards						Systems						Total
Market:
Foundry & Logic			$	279,895					$	—					$	279,895					$	327,106					$	—					$	327,106
DRAM			77,832						—						77,832						106,202						—						106,202
Flash			13,243						—						13,243						33,748						—						33,748
Systems			—						123,969						123,969						—						114,894						114,894
Total			$	370,970					$	123,969					$	494,939					$	467,056					$	114,894					$	581,950
Timing of revenue recognition:
Products transferred at a point in time			$	368,939					$	116,981					$	485,920					$	464,139					$	106,339					$	570,478
Products and services transferred over time			2,031						6,988						9,019						2,917						8,555						11,472
Total			$	370,970					$	123,969					$	494,939					$	467,056					$	114,894					$	581,950
Geographical region:
United States			$	86,954					$	37,175					$	124,129					$	67,424					$	27,554					$	94,978
Taiwan			103,368						9,448						112,816						119,937						19,990						139,927
South Korea			77,832						5,881						83,713						80,417						4,776						85,193
China			45,771						26,586						72,357						101,342						23,520						124,862
Europe			8,424						21,114						29,538						9,888						18,396						28,284
Japan			14,014						11,859						25,873						16,034						10,977						27,011
Malaysia			22,279						1,632						23,911						43,946						1,006						44,952
Singapore			7,670						4,170						11,840						23,398						4,963						28,361
Rest of the world			4,658						6,104						10,762						4,670						3,712						8,382
Total			$	370,970					$	123,969					$	494,939					$	467,056					$	114,894					$	581,950

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- Definition

Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor.

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Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss.

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