Quarterly report pursuant to Section 13 or 15(d)

Segment Information - Summary of Segment Reporting Information (Details)

v3.23.1
Segment Information - Summary of Segment Reporting Information (Details) - USD ($)
$ in Thousands
 3 Months Ended
Apr. 01, 2023
Apr. 02, 2022
Dec. 31, 2022
Segment Reporting Information      
Sales $ 156,538 $ 116,176  
Segment Measure of Operating Profit and Margins      
Total operating loss (2,370) (4,167)  
Deductions from Segment Measure of Operating Profit:      
Net Gain on Sale of Business (3,427) (11,284)  
Interest Expense, Net of Interest Income 5,470 1,631  
(Loss) Income Before Income Taxes (3,125) 5,024  
Total Assets 616,408   $ 615,031
Reversal of a deferred revenue liability 14,100 6,000  
Aerospace      
Segment Reporting Information      
Sales 135,597 101,394  
Test Systems      
Segment Reporting Information      
Sales 20,941 14,782  
Operating Segments      
Segment Measure of Operating Profit and Margins      
Total operating loss $ 3,490 $ 1,263  
Operating margins, percentage 2.20% 1.10%  
Operating Segments | Aerospace      
Segment Reporting Information      
Sales $ 135,715 $ 101,394  
Segment Measure of Operating Profit and Margins      
Total operating loss $ 4,087 $ 3,050  
Operating margins, percentage 3.00% 3.00%  
Deductions from Segment Measure of Operating Profit:      
Total Assets $ 498,348   481,416
Jobs protection program grant, recognized   $ 6,000  
Operating Segments | Test Systems      
Segment Reporting Information      
Sales 20,941 14,798  
Segment Measure of Operating Profit and Margins      
Total operating loss $ (597) $ (1,787)  
Operating margins, percentage (2.90%) (12.10%)  
Deductions from Segment Measure of Operating Profit:      
Total Assets $ 103,778   111,513
Reversal of a deferred revenue liability 5,800    
Operating Loss 6,400    
Less Inter-segment Sales | Aerospace      
Segment Reporting Information      
Sales (118) $ 0  
Less Inter-segment Sales | Test Systems      
Segment Reporting Information      
Sales 0 (16)  
Corporate Expenses and Other      
Deductions from Segment Measure of Operating Profit:      
Corporate Expenses and Other 4,572 $ 5,892  
Total Assets 14,282   $ 22,102
Income associated with reversal of liability related to equity investment $ 1,800