Quarterly report pursuant to Section 13 or 15(d)

Segment Information - Summary of Segment Reporting Information (Details)

v3.20.1
Segment Information - Summary of Segment Reporting Information (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 28, 2020
Mar. 30, 2019
Dec. 31, 2019
Segment Reporting Information      
Sales $ 157,584 $ 208,174  
Operating (Loss) Profit and Margins      
Total Operating Profit (67,556) 22,881  
Additions/Deductions from Operating (Loss) Profit      
Gain on Sale of Business 0 (80,133)  
Interest Expense, Net of Interest Income 1,333 1,804  
(Loss) Income Before Income Taxes (69,277) 100,995  
Total Assets 850,026   $ 782,716
Aerospace Segment      
Segment Reporting Information      
Sales 141,070 188,501  
Test Systems Segment      
Segment Reporting Information      
Sales 16,514 19,673  
Operating Segments      
Operating (Loss) Profit and Margins      
Total Operating Profit $ (62,423) $ 27,953  
Operating margins, percentage (39.60%) 13.40%  
Operating Segments | Aerospace Segment      
Segment Reporting Information      
Sales $ 141,137 $ 188,501  
Operating (Loss) Profit and Margins      
Total Operating Profit $ (63,145) $ 25,768  
Operating margins, percentage (44.80%) 13.70%  
Additions/Deductions from Operating (Loss) Profit      
Total Assets $ 545,378   629,371
Operating Segments | Test Systems Segment      
Segment Reporting Information      
Sales 16,553 $ 19,724  
Operating (Loss) Profit and Margins      
Total Operating Profit $ 722 $ 2,185  
Operating margins, percentage 4.40% 11.10%  
Additions/Deductions from Operating (Loss) Profit      
Total Assets $ 104,866   110,994
Less Intersegment Sales | Aerospace Segment      
Segment Reporting Information      
Sales (67) $ 0  
Less Intersegment Sales | Test Systems Segment      
Segment Reporting Information      
Sales (39) (51)  
Corporate Expenses and Other      
Additions/Deductions from Operating (Loss) Profit      
Corporate Expenses and Other 5,521 $ 5,287  
Total Assets $ 199,782   $ 42,351