Quarterly report pursuant to Section 13 or 15(d)

Revenue - Disaggregated by Product Lines (Details)

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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