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Goodwill and Intangible Assets - Goodwill (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 30, 2024 | Dec. 30, 2023
Goodwill [Roll Forward] |  |
Goodwill, beginning balance | $ 201,090 | $ 211,444
Foreign currency translation | (320) | 306
Goodwill, ending balance | 199,653 | 201,090
FRT Metrology |  |
Goodwill [Roll Forward] |  |
Reduction - divesture |  | (10,660)
China Operations |  |
Goodwill [Roll Forward] |  |
Reduction - divesture | (1,117) |
Probe Cards |  |
Goodwill [Roll Forward] |  |
Goodwill, beginning balance | 178,424 | 178,424
Foreign currency translation | 0 | 0
Goodwill, ending balance | 177,369 | 178,424
Probe Cards | FRT Metrology |  |
Goodwill [Roll Forward] |  |
Reduction - divesture |  | 0
Probe Cards | China Operations |  |
Goodwill [Roll Forward] |  |
Reduction - divesture | (1,055) |
Systems |  |
Goodwill [Roll Forward] |  |
Goodwill, beginning balance | 22,666 | 33,020
Foreign currency translation | (320) | 306
Goodwill, ending balance | 22,284 | 22,666
Systems | FRT Metrology |  |
Goodwill [Roll Forward] |  |
Reduction - divesture |  | $ (10,660)
Systems | China Operations |  |
Goodwill [Roll Forward] |  |
Reduction - divesture | $ (62) |

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