v3.25.2
Goodwill and Acquired Intangible Assets - Schedule of Changes in the Carrying Value of Goodwill (Details) - USD ($)
$ in Millions
 6 Months Ended 12 Months Ended
Jun. 29, 2025
Dec. 29, 2024
Goodwill [Roll Forward]    
Goodwill, beginning balance $ 7,990.5  
Current year acquisitions 456.0 $ 89.2
Foreign currency changes and other 229.3  
Goodwill, ending balance 8,675.8 7,990.5
Digital Imaging    
Goodwill [Roll Forward]    
Goodwill, beginning balance 6,854.6  
Current year acquisitions 0.0  
Foreign currency changes and other 165.0  
Goodwill, ending balance 7,019.6 6,854.6
Instrumentation    
Goodwill [Roll Forward]    
Goodwill, beginning balance 955.3  
Current year acquisitions 0.0  
Foreign currency changes and other 33.1  
Goodwill, ending balance 988.4 955.3
Aerospace and Defense Electronics    
Goodwill [Roll Forward]    
Goodwill, beginning balance 163.0  
Current year acquisitions 456.0  
Foreign currency changes and other 31.2  
Goodwill, ending balance 650.2 163.0
Engineered Systems    
Goodwill [Roll Forward]    
Goodwill, beginning balance 17.6  
Current year acquisitions 0.0  
Foreign currency changes and other 0.0  
Goodwill, ending balance $ 17.6 $ 17.6