XML 78 R66.htm IDEA: XBRL DOCUMENT v3.25.2
Operating Segments and Enterprise-Wide Information - Revenue by Segment, Recognition Type, and Geographic Area (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 28, 2025
Jun. 29, 2024
Jun. 28, 2025
Jun. 29, 2024
Disaggregation of Revenue [Line Items]        
Revenues $ 195,798 $ 197,474 $ 367,154 $ 366,199
Probe Cards        
Disaggregation of Revenue [Line Items]        
Revenues 162,108 166,792 298,628 303,493
Systems        
Disaggregation of Revenue [Line Items]        
Revenues 33,690 30,682 68,526 62,706
Taiwan        
Disaggregation of Revenue [Line Items]        
Revenues 52,879 44,813 98,241 74,690
Taiwan | Probe Cards        
Disaggregation of Revenue [Line Items]        
Revenues 46,814 40,192 87,561 67,371
Taiwan | Systems        
Disaggregation of Revenue [Line Items]        
Revenues 6,065 4,621 10,680 7,319
United States        
Disaggregation of Revenue [Line Items]        
Revenues 40,924 47,891 81,249 93,657
United States | Probe Cards        
Disaggregation of Revenue [Line Items]        
Revenues 32,849 39,435 60,633 75,031
United States | Systems        
Disaggregation of Revenue [Line Items]        
Revenues 8,075 8,456 20,616 18,626
China        
Disaggregation of Revenue [Line Items]        
Revenues 9,400 25,087 23,015 40,700
China | Probe Cards        
Disaggregation of Revenue [Line Items]        
Revenues 4,633 20,311 12,785 28,997
China | Systems        
Disaggregation of Revenue [Line Items]        
Revenues 4,767 4,776 10,230 11,703
South Korea        
Disaggregation of Revenue [Line Items]        
Revenues 57,129 49,107 100,300 99,824
South Korea | Probe Cards        
Disaggregation of Revenue [Line Items]        
Revenues 55,836 48,691 98,045 99,363
South Korea | Systems        
Disaggregation of Revenue [Line Items]        
Revenues 1,293 416 2,255 461
Malaysia        
Disaggregation of Revenue [Line Items]        
Revenues 5,155 6,602 7,755 8,465
Malaysia | Probe Cards        
Disaggregation of Revenue [Line Items]        
Revenues 5,112 5,084 7,664 6,692
Malaysia | Systems        
Disaggregation of Revenue [Line Items]        
Revenues 43 1,518 91 1,773
Japan        
Disaggregation of Revenue [Line Items]        
Revenues 14,666 7,611 24,985 16,153
Japan | Probe Cards        
Disaggregation of Revenue [Line Items]        
Revenues 7,080 4,513 12,259 8,860
Japan | Systems        
Disaggregation of Revenue [Line Items]        
Revenues 7,586 3,098 12,726 7,293
Europe        
Disaggregation of Revenue [Line Items]        
Revenues 7,248 8,815 15,029 17,664
Europe | Probe Cards        
Disaggregation of Revenue [Line Items]        
Revenues 3,224 3,250 6,759 6,778
Europe | Systems        
Disaggregation of Revenue [Line Items]        
Revenues 4,024 5,565 8,270 10,886
Singapore        
Disaggregation of Revenue [Line Items]        
Revenues 6,679 4,522 12,928 9,280
Singapore | Probe Cards        
Disaggregation of Revenue [Line Items]        
Revenues 5,489 4,112 10,360 7,628
Singapore | Systems        
Disaggregation of Revenue [Line Items]        
Revenues 1,190 410 2,568 1,652
Rest of World        
Disaggregation of Revenue [Line Items]        
Revenues 1,718 3,026 3,652 5,766
Rest of World | Probe Cards        
Disaggregation of Revenue [Line Items]        
Revenues 1,071 1,204 2,562 2,773
Rest of World | Systems        
Disaggregation of Revenue [Line Items]        
Revenues 647 1,822 1,090 2,993
Products transferred at a point in time        
Disaggregation of Revenue [Line Items]        
Revenues 190,795 193,621 356,851 358,046
Products transferred at a point in time | Probe Cards        
Disaggregation of Revenue [Line Items]        
Revenues 160,552 165,492 295,273 301,133
Products transferred at a point in time | Systems        
Disaggregation of Revenue [Line Items]        
Revenues 30,243 28,129 61,578 56,913
Products and services transferred over time        
Disaggregation of Revenue [Line Items]        
Revenues 5,003 3,853 10,303 8,153
Products and services transferred over time | Probe Cards        
Disaggregation of Revenue [Line Items]        
Revenues 1,556 1,300 3,355 2,360
Products and services transferred over time | Systems        
Disaggregation of Revenue [Line Items]        
Revenues 3,447 2,553 6,948 5,793
Foundry & Logic        
Disaggregation of Revenue [Line Items]        
Revenues 99,513 103,660 184,785 190,428
Foundry & Logic | Probe Cards        
Disaggregation of Revenue [Line Items]        
Revenues 99,513 103,660 184,785 190,428
Foundry & Logic | Systems        
Disaggregation of Revenue [Line Items]        
Revenues 0 0 0 0
DRAM        
Disaggregation of Revenue [Line Items]        
Revenues 57,057 58,042 105,915 103,938
DRAM | Probe Cards        
Disaggregation of Revenue [Line Items]        
Revenues 57,057 58,042 105,915 103,938
DRAM | Systems        
Disaggregation of Revenue [Line Items]        
Revenues 0 0 0 0
Flash        
Disaggregation of Revenue [Line Items]        
Revenues 5,538 5,090 7,928 9,127
Flash | Probe Cards        
Disaggregation of Revenue [Line Items]        
Revenues 5,538 5,090 7,928 9,127
Flash | Systems        
Disaggregation of Revenue [Line Items]        
Revenues 0 0 0 0
Systems        
Disaggregation of Revenue [Line Items]        
Revenues 33,690 30,682 68,526 62,706
Systems | Probe Cards        
Disaggregation of Revenue [Line Items]        
Revenues 0 0 0 0
Systems | Systems        
Disaggregation of Revenue [Line Items]        
Revenues $ 33,690 $ 30,682 $ 68,526 $ 62,706