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v3.23.2

Operating Segments and Enterprise-Wide Information - Revenue by Segment, Recognition Type, and Geographic Area (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jul. 01, 2023 | Jun. 25, 2022 | Jul. 01, 2023 | Jun. 25, 2022
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | $ 155,916 | $ 203,907 | $ 323,364 | $ 401,081
Probe Cards |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 115,303 | 167,708 | 242,631 | 327,691
Systems |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 40,613 | 36,199 | 80,733 | 73,390
Taiwan |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 29,512 | 50,020 | 69,841 | 103,089
Taiwan | Probe Cards |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 25,316 | 45,188 | 64,213 | 87,710
Taiwan | Systems |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 4,196 | 4,832 | 5,628 | 15,379
United States |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 42,673 | 31,242 | 80,404 | 56,889
United States | Probe Cards |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 31,131 | 21,539 | 55,772 | 41,515
United States | Systems |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 11,542 | 9,703 | 24,632 | 15,374
China |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 23,508 | 49,735 | 50,607 | 88,134
China | Probe Cards |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 16,516 | 40,578 | 34,992 | 73,369
China | Systems |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 6,992 | 9,157 | 15,615 | 14,765
South Korea |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 27,863 | 28,755 | 48,638 | 56,256
South Korea | Probe Cards |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 26,455 | 27,418 | 46,027 | 52,299
South Korea | Systems |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 1,408 | 1,337 | 2,611 | 3,957
Malaysia |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 6,677 | 16,244 | 17,947 | 38,443
Malaysia | Probe Cards |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 6,177 | 16,157 | 16,501 | 37,674
Malaysia | Systems |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 500 | 87 | 1,446 | 769
Japan |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 7,932 | 9,937 | 18,909 | 19,319
Japan | Probe Cards |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 3,902 | 6,716 | 11,038 | 11,501
Japan | Systems |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 4,030 | 3,221 | 7,871 | 7,818
Europe |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 10,816 | 8,091 | 20,242 | 16,486
Europe | Probe Cards |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 2,415 | 3,824 | 5,841 | 6,206
Europe | Systems |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 8,401 | 4,267 | 14,401 | 10,280
Singapore |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 2,823 | 7,108 | 8,163 | 18,004
Singapore | Probe Cards |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 1,718 | 5,131 | 4,918 | 15,415
Singapore | Systems |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 1,105 | 1,977 | 3,245 | 2,589
Rest of the world |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 4,112 | 2,775 | 8,613 | 4,461
Rest of the world | Probe Cards |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 1,673 | 1,157 | 3,329 | 2,002
Rest of the world | Systems |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 2,439 | 1,618 | 5,284 | 2,459
Products transferred at a point in time |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 153,025 | 199,782 | 316,413 | 394,034
Products transferred at a point in time | Probe Cards |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 112,985 | 166,701 | 236,903 | 325,537
Products transferred at a point in time | Systems |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 40,040 | 33,081 | 79,510 | 68,497
Products and services transferred over time |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 2,891 | 4,125 | 6,951 | 7,047
Products and services transferred over time | Probe Cards |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 2,318 | 1,007 | 5,728 | 2,154
Products and services transferred over time | Systems |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 573 | 3,118 | 1,223 | 4,893
Foundry & Logic |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 81,967 | 122,380 | 183,529 | 236,501
Foundry & Logic | Probe Cards |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 81,967 | 122,380 | 183,529 | 236,501
Foundry & Logic | Systems |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 0 | 0 | 0 | 0
DRAM |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 30,464 | 36,843 | 50,354 | 71,280
DRAM | Probe Cards |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 30,464 | 36,843 | 50,354 | 71,280
DRAM | Systems |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 0 | 0 | 0 | 0
Flash |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 2,872 | 8,485 | 8,748 | 19,910
Flash | Probe Cards |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 2,872 | 8,485 | 8,748 | 19,910
Flash | Systems |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 0 | 0 | 0 | 0
Systems |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 40,613 | 36,199 | 80,733 | 73,390
Systems | Probe Cards |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 0 | 0 | 0 | 0
Systems | Systems |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | $ 40,613 | $ 36,199 | $ 80,733 | $ 73,390

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