Quarterly report pursuant to Section 13 or 15(d)

Revenue - Disaggregated by Product Lines (Details)

v3.22.1
Revenue - Disaggregated by Product Lines (Details) - USD ($)
$ in Thousands
3 Months Ended
Apr. 02, 2022
Apr. 03, 2021
Disaggregation of Revenue [Line Items]    
Sales $ 116,176 $ 105,857
Aerospace    
Disaggregation of Revenue [Line Items]    
Sales 101,394 81,416
Aerospace | Electrical Power & Motion    
Disaggregation of Revenue [Line Items]    
Sales 44,467 29,344
Aerospace | Lighting & Safety    
Disaggregation of Revenue [Line Items]    
Sales 29,211 27,100
Aerospace | Avionics    
Disaggregation of Revenue [Line Items]    
Sales 18,875 14,843
Aerospace | Systems Certification    
Disaggregation of Revenue [Line Items]    
Sales 1,002 878
Aerospace | Structures    
Disaggregation of Revenue [Line Items]    
Sales 1,377 1,053
Aerospace | Other    
Disaggregation of Revenue [Line Items]    
Sales 6,462 8,198
Test Systems    
Disaggregation of Revenue [Line Items]    
Sales $ 14,782 $ 24,441