Quarterly report [Sections 13 or 15(d)]

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

v3.26.3
Segment Information - Schedule of Total Assets, Depreciation and Amortization, Capital Expenditures (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Oct. 03, 2026
Sep. 27, 2025
Oct. 03, 2026
Sep. 27, 2025
Dec. 31, 2025
Segment Reporting [Line Items]          
Total Assets $ 805,390   $ 805,390   $ 706,678
Total Depreciation and Amortization 6,303 $ 5,163 18,538 $ 16,129  
Total Capital Expenditures 4,202 13,150 21,071 19,860  
Operating Segments | Aerospace          
Segment Reporting [Line Items]          
Total Assets 644,884   644,884   570,294
Total Depreciation and Amortization 5,777 4,701 16,982 13,656  
Total Capital Expenditures 3,468 12,812 19,689 19,337  
Operating Segments | Test Systems Segment          
Segment Reporting [Line Items]          
Total Assets 138,486   138,486   119,603
Total Depreciation and Amortization 489 452 1,491 2,442  
Total Capital Expenditures 306 338 911 523  
Corporate          
Segment Reporting [Line Items]          
Total Assets 22,020   22,020   $ 16,781
Total Depreciation and Amortization 37 10 65 31  
Total Capital Expenditures $ 428 $ 0 $ 471 $ 0