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Summary of Significant Accounting Policies - Disaggregated Revenue (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 27, 2025 | Sep. 28, 2024 | Sep. 27, 2025 | Sep. 28, 2024
Disaggregation of Revenue [Line Items] |  |  |  |
Total net revenues | $ 212,558 | $ 201,412 | $ 608,932 | $ 589,259
Electronic Systems |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total net revenues | 123,082 | 115,412 | 343,056 | 324,391
Structural Systems |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total net revenues | 89,476 | 86,000 | 265,876 | 264,868
Military and space |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total net revenues | 125,569 | 111,402 | 356,141 | 310,869
Military and space | Electronic Systems |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total net revenues | 93,639 | 85,433 | 262,201 | 227,925
Military and space | Structural Systems |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total net revenues | 31,930 | 25,969 | 93,940 | 82,944
Commercial aerospace |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total net revenues | 76,539 | 84,626 | 225,914 | 251,186
Commercial aerospace | Electronic Systems |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total net revenues | 18,993 | 24,595 | 53,978 | 69,262
Commercial aerospace | Structural Systems |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total net revenues | 57,546 | 60,031 | 171,936 | 181,924
Industrial |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total net revenues | 10,450 | 5,384 | 26,877 | 27,204
Industrial | Electronic Systems |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total net revenues | $ 10,450 | $ 5,384 | $ 26,877 | $ 27,204

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