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Revenue - Disaggregated by Product Lines (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 30, 2024 | Apr. 01, 2023
Disaggregation of Revenue [Line Items] |  |
Sales | $ 185,074 | $ 156,538
Aerospace |  |
Disaggregation of Revenue [Line Items] |  |
Sales | 163,638 | 135,597
Aerospace | Electrical Power & Motion |  |
Disaggregation of Revenue [Line Items] |  |
Sales | 83,124 | 53,454
Aerospace | Lighting & Safety |  |
Disaggregation of Revenue [Line Items] |  |
Sales | 41,787 | 36,553
Aerospace | Avionics |  |
Disaggregation of Revenue [Line Items] |  |
Sales | 25,594 | 29,741
Aerospace | Systems Certification |  |
Disaggregation of Revenue [Line Items] |  |
Sales | 4,448 | 5,677
Aerospace | Structures |  |
Disaggregation of Revenue [Line Items] |  |
Sales | 3,107 | 2,300
Aerospace | Other |  |
Disaggregation of Revenue [Line Items] |  |
Sales | 5,578 | 7,872
Test Systems |  |
Disaggregation of Revenue [Line Items] |  |
Sales | $ 21,436 | $ 20,941

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