Goodwill and Intangible Assets - Schedule of Changes in the Carrying Value of Goodwill (Details) $ in Millions	3 Months Ended
	Apr. 02, 2023 USD ($)
Goodwill [Roll Forward]
Goodwill, beginning balance	$ 7,873.0
Current year acquisitions	48.4
Foreign currency changes and other	4.1
Goodwill, ending balance	7,925.5
Digital Imaging
Goodwill [Roll Forward]
Goodwill, beginning balance	6,780.4
Current year acquisitions	48.4
Foreign currency changes and other	(0.3)
Goodwill, ending balance	6,828.5
Instrumentation
Goodwill [Roll Forward]
Goodwill, beginning balance	913.2
Current year acquisitions	0.0
Foreign currency changes and other	3.8
Goodwill, ending balance	917.0
Aerospace and Defense Electronics
Goodwill [Roll Forward]
Goodwill, beginning balance	161.8
Current year acquisitions	0.0
Foreign currency changes and other	0.6
Goodwill, ending balance	162.4
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