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Business Segments - Narrative (Details)
$ in Millions
12 Months Ended
Dec. 31, 2023
USD ($)
product_line
segment
Jan. 02, 2022
USD ($)
Jan. 03, 2021
USD ($)
Segment Reporting Information [Line Items]      
Number of reportable segments | segment 4    
Restructuring charges $ 12.0   $ 26.4
Restructuring benefit   $ (0.5)  
Remains to be paid $ 2.9    
Costs related to headcount or facility consolidation   3.5  
Income related to favorable resolution of facility consolidation   $ (4.0)  
Digital Imaging      
Segment Reporting Information [Line Items]      
Number of product lines | product_line 1    
Instrumentation      
Segment Reporting Information [Line Items]      
Number of product lines | product_line 3    
Aerospace and Defense Electronics      
Segment Reporting Information [Line Items]      
Number of product lines | product_line 1    
Engineered Systems      
Segment Reporting Information [Line Items]      
Number of product lines | product_line 1