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Segments and Geographic Information (Tables) | 12 Months Ended
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Dec. 30, 2023
Segment Reporting [Abstract] |
Operating Results by Reportable Segments | The following table summarizes the operating results by reportable segment (dollars in thousands):
| Fiscal 2023
| Probe Cards |  | Systems |  | Corporate and Other |  | Total
Revenues | $ | 497,903 |  |  | $ | 165,199 |  |  | $ | — |  |  | $ | 663,102 |
Gross profit | 185,392 |  |  | 84,735 |  |  | (11,547) |  |  | 258,580 |
Gross margin | 37.2 | % |  | 51.3 | % |  |  |  | 39.0 | %
| Fiscal 2022
| Probe Cards |  | Systems |  | Corporate and Other |  | Total
Revenues | $ | 591,422 |  |  | $ | 156,515 |  |  | $ | — |  |  | $ | 747,937 |
Gross profit | 235,562 |  |  | 80,937 |  |  | (20,490) |  |  | 296,009 |
Gross margin | 39.8 | % |  | 51.7 | % |  |  |  | 39.6 | %
| Fiscal 2021
| Probe Cards |  | Systems |  | Corporate and Other |  | Total
Revenues | $ | 633,281 |  |  | $ | 136,393 |  |  | $ | — |  |  | $ | 769,674 |
Gross profit | 279,873 |  |  | 65,834 |  |  | (22,940) |  |  | 322,767 |
Gross margin | 44.2 | % |  | 48.3 | % |  |  |  | 41.9 | %
Summary of Revenue by Geographic Region | The following table summarizes revenue, by geographic region, as a percentage of total revenues based upon ship-to location:
| Fiscal Year Ended
| December 30, 2023 |  | December 31, 2022 |  | December 25, 2021
United States | 25.9 | % |  | 17.1 | % |  | 15.9 | %
Taiwan | 22.3 |  |  | 22.7 |  |  | 24.2 |
South Korea | 17.8 |  |  | 14.9 |  |  | 16.0 |
China | 13.8 |  |  | 21.5 |  |  | 21.2 |
Europe | 5.9 |  |  | 5.2 |  |  | 5.7 |
Japan | 5.5 |  |  | 5.1 |  |  | 4.7 |
Malaysia | 4.0 |  |  | 6.7 |  |  | 6.4 |
Singapore | 2.8 |  |  | 5.3 |  |  | 4.7 |
Rest of World | 2.0 |  |  | 1.5 |  |  | 1.2 |
Total Revenues | 100.0 | % |  | 100.0 | % |  | 100.0 | %
Summary of Revenue by Market | The following table summarizes revenue by market (in thousands):
| Fiscal Year Ended
| December 30, 2023 |  | December 31, 2022 |  | December 25, 2021
Foundry & Logic | $ | 363,539 |  |  | $ | 409,196 |  |  | $ | 435,812 |
DRAM | 113,779 |  |  | 133,446 |  |  | 156,049 |
Flash | 20,585 |  |  | 48,780 |  |  | 41,420 |
Systems | 165,199 |  |  | 156,515 |  |  | 136,393 |
Total revenues | $ | 663,102 |  |  | $ | 747,937 |  |  | $ | 769,674 |
Summary of Revenue by Timing of Recognition | The following table summarizes revenue by timing of revenue recognition (in thousands):
| Fiscal Year Ended
| December 30, 2023 |  | December 31, 2022 |  | December 25, 2021
| Probe Cards |  | Systems |  | Total |  | Probe Cards |  | Systems |  | Total |  | Probe Cards |  | Systems |  | Total
Products transferred at a point in time | $ | 494,624 |  |  | $ | 155,145 |  |  | $ | 649,769 |  |  | $ | 587,738 |  |  | $ | 144,456 |  |  | $ | 732,194 |  |  | $ | 630,038 |  |  | $ | 124,788 |  |  | $ | 754,826 |
Services transferred over time | 3,279 |  |  | 10,054 |  |  | 13,333 |  |  | 3,684 |  |  | 12,059 |  |  | 15,743 |  |  | 3,243 |  |  | 11,605 |  |  | 14,848 |
Total | $ | 497,903 |  |  | $ | 165,199 |  |  | $ | 663,102 |  |  | $ | 591,422 |  |  | $ | 156,515 |  |  | $ | 747,937 |  |  | $ | 633,281 |  |  | $ | 136,393 |  |  | $ | 769,674 |
Long-lived Assets by Location | Long-lived assets, comprised of Operating lease, Right-of-use assets, Property, plant and equipment, net, Goodwill and Intangibles, net, reported based on the location of the asset was as follows (in thousands):
| December 30, 2023 |  | December 31, 2022 |  | December 25, 2021
United States | $ | 414,607 |  |  | $ | 406,529 |  |  | $ | 372,338 |
Europe | 23,204 |  |  | 42,640 |  |  | 47,700 |
Asia-Pacific | 11,135 |  |  | 10,236 |  |  | 10,368 |
Total | $ | 448,946 |  |  | $ | 459,405 |  |  | $ | 430,406 |

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