Quarterly report [Sections 13 or 15(d)]

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

v3.26.1
Segment Information - Schedule of Total Assets, Depreciation and Amortization, Capital Expenditures (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jul. 04, 2026
Jun. 28, 2025
Jul. 04, 2026
Jun. 28, 2025
Dec. 31, 2025
Segment Reporting          
Total Assets $ 760,844   $ 760,844   $ 706,678
Total Depreciation and Amortization 6,341 $ 5,378 12,235 $ 10,966  
Total Capital Expenditures 5,709 4,605 16,869 6,710  
Operating Segments | Aerospace          
Segment Reporting          
Total Assets 614,128   614,128   570,294
Total Depreciation and Amortization 5,826 4,457 11,205 8,955  
Total Capital Expenditures 5,490 4,443 16,221 6,525  
Operating Segments | Test Systems Segment          
Segment Reporting          
Total Assets 126,664   126,664   119,603
Total Depreciation and Amortization 497 912 1,002 1,990  
Total Capital Expenditures 176 162 605 185  
Corporate          
Segment Reporting          
Total Assets 20,052   20,052   $ 16,781
Total Depreciation and Amortization 18 9 28 21  
Total Capital Expenditures $ 43 $ 0 $ 43 $ 0