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v3.22.4

Segments and Geographic Information - Operating Results By Segment (Details) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 USD ($) segment | Dec. 25, 2021 USD ($) | Dec. 26, 2020 USD ($)
Segment Reporting [Abstract] |  |  |
Number of reportable segments | segment | 2 |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | $ 747,937 | $ 769,674 | $ 693,616
Gross profit | $ 296,009 | $ 322,767 | $ 287,920
Gross margin | 39.60% | 41.90% | 41.50%
Probe Cards |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | $ 591,422 | $ 633,281 | $ 581,739
Systems |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 156,515 | 136,393 | 111,877
Operating Segments | Probe Cards |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 591,422 | 633,281 | 581,739
Gross profit | $ 235,562 | $ 279,873 | $ 263,215
Gross margin | 39.80% | 44.20% | 45.20%
Operating Segments | Systems |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | $ 156,515 | $ 136,393 | $ 111,877
Gross profit | $ 80,937 | $ 65,834 | $ 51,835
Gross margin | 51.70% | 48.30% | 46.30%
Corporate and Other |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | $ 0 | $ 0 | $ 0
Gross profit | $ (20,490) | $ (22,940) | $ (27,130)

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