Quarterly report pursuant to Section 13 or 15(d)

Revenue - Revenue Disaggregated by Market (Details)

v3.19.2
Revenue - Revenue Disaggregated by Market (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 29, 2019
Jun. 30, 2018
Jun. 29, 2019
Jun. 30, 2018
Disaggregation of Revenue [Line Items]        
Sales $ 189,098 $ 208,606 $ 397,272 $ 387,665
Commercial Transport        
Disaggregation of Revenue [Line Items]        
Sales 129,731 132,797 271,509 265,847
Military        
Disaggregation of Revenue [Line Items]        
Sales 19,545 16,270 40,498 30,285
Business Jet        
Disaggregation of Revenue [Line Items]        
Sales 17,286 10,338 37,123 21,002
Other        
Disaggregation of Revenue [Line Items]        
Sales 7,725 6,799 13,658 13,670
Aerospace Segment        
Disaggregation of Revenue [Line Items]        
Sales 174,287 166,204 362,788 330,804
Semiconductor        
Disaggregation of Revenue [Line Items]        
Sales 2,242 31,405 5,596 38,465
Aerospace & Defense        
Disaggregation of Revenue [Line Items]        
Sales 12,569 10,997 28,888 18,396
Test Systems Segment        
Disaggregation of Revenue [Line Items]        
Sales $ 14,811 $ 42,402 $ 34,484 $ 56,861