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Basis of Presentation - Narrative (Details) $ in Thousands |  | 1 Months Ended | 3 Months Ended | 9 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Feb. 13, 2019 element | Oct. 31, 2024 USD ($) | Mar. 31, 2023 USD ($) | Sep. 28, 2024 USD ($) | Sep. 30, 2023 USD ($) | Sep. 28, 2024 USD ($) | Sep. 30, 2023 USD ($) | Jun. 29, 2024 USD ($) | Dec. 31, 2023 USD ($) | Jul. 01, 2023 USD ($) | Dec. 31, 2022 USD ($)
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |
Allowance for doubtful accounts |  |  |  | $ 2,343 | $ 9,186 | $ 2,343 | $ 9,186 | $ 1,495 | $ 9,193 | $ 1,725 | $ 2,630
Research and development expense |  |  |  | 12,400 | 14,100 | 39,900 | 39,500 |  |  |  |
Non-Aerospace Contract Manufacturing Customer |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |
Allowance for doubtful accounts |  |  |  |  | 7,500 |  | 7,500 |  |  |  |
Reserve for inventory valuation |  |  |  | $ 900 | $ 3,600 | $ 900 | $ 3,600 |  |  |  |
Non-Aerospace Contract Manufacturing Customer | Subsequent Event |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |
Allowance for doubtful accounts |  | $ 800 |  |  |  |  |  |  |  |  |
Reserve for inventory valuation |  | 900 |  |  |  |  |  |  |  |  |
Impairment of fixed assets |  | $ 500 |  |  |  |  |  |  |  |  |
Sold | Semiconductor Test Business | Test Systems Segment |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |
Number of elements for contingent earnouts | element | 2 |  |  |  |  |  |  |  |  |  |
Earnout proceeds received |  |  | $ 3,400 |  |  |  |  |  |  |  |

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