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v3.23.2

Restructuring Charges - Restructuring Charges (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jul. 01, 2023 | Jun. 25, 2022 | Jul. 01, 2023 | Jun. 25, 2022 | Dec. 31, 2022
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring charges | $ 618 | $ 581 | $ 1,835 | $ 894 |
Accrued restructuring charges | 207 |  | 207 |  | $ 1,249
Cash payments |  |  | (2,281) |  |
Non-cash settlement |  |  | (596) |  |
Cost of revenues |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring charges | 332 | 454 | 357 | 593 |
Research and development |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring charges | 221 | 53 | 291 | 199 |
Selling, general and administrative |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring charges | 65 | 74 | 1,187 | 102 |
Probe Cards |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring charges | 223 | 227 | 1,357 | 269 |
Probe Cards | Cost of revenues |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring charges | 47 | 227 | 106 | 266 |
Probe Cards | Research and development |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring charges | 170 | 0 | 182 | 0 |
Probe Cards | Selling, general and administrative |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring charges | 6 | 0 | 1,069 | 3 |
Systems |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring charges | 395 | 354 | 478 | 625 |
Systems | Cost of revenues |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring charges | 285 | 227 | 251 | 327 |
Systems | Research and development |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring charges | 51 | 53 | 109 | 199 |
Systems | Selling, general and administrative |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring charges | $ 59 | $ 74 | $ 118 | $ 99 |

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