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Business Segments - Narrative (Details)
3 Months Ended 12 Months Ended
Mar. 29, 2026
product_line
acquisition
segment
Dec. 28, 2025
acquisition
Segment Reporting Information [Line Items]    
Number of reportable segments | segment 4  
Number of acquisitions | acquisition 1 4
Instrumentation    
Segment Reporting Information [Line Items]    
Number of product lines 3  
Digital Imaging    
Segment Reporting Information [Line Items]    
Number of product lines 1  
Aerospace and Defense Electronics    
Segment Reporting Information [Line Items]    
Number of product lines 1  
Engineered Systems [Member]    
Segment Reporting Information [Line Items]    
Number of product lines 1