Quarterly report [Sections 13 or 15(d)]

Segment Information - Schedule of Total Assets, Depreciation and Amortization, Capital Expenditures (Details)

v3.25.3
Segment Information - Schedule of Total Assets, Depreciation and Amortization, Capital Expenditures (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 27, 2025
Sep. 28, 2024
Sep. 27, 2025
Sep. 28, 2024
Dec. 31, 2024
Segment Reporting Information          
Total Assets $ 682,193   $ 682,193   $ 648,764
Total Depreciation and Amortization 5,163 $ 6,041 16,129 $ 18,572  
Total Capital Expenditures 13,150 1,850 19,860 5,244  
Operating Segments | Aerospace          
Segment Reporting Information          
Total Assets 544,463   544,463   498,528
Total Depreciation and Amortization 4,701 4,800 13,656 14,766  
Total Capital Expenditures 12,812 1,609 19,337 4,408  
Operating Segments | Test Systems Segment          
Segment Reporting Information          
Total Assets 112,844   112,844   128,828
Total Depreciation and Amortization 452 1,185 2,442 3,638  
Total Capital Expenditures 338 235 523 820  
Corporate          
Segment Reporting Information          
Total Assets 24,886   24,886   $ 21,408
Total Depreciation and Amortization 10 56 31 168  
Total Capital Expenditures $ 0 $ 6 $ 0 $ 16