Goodwill and Intangible Assets - Schedule of Changes in the Carrying Value of Goodwill (Details) $ in Millions	3 Months Ended
	Mar. 31, 2024 USD ($)
Goodwill [Roll Forward]
Goodwill, beginning balance	$ 8,002.8
Foreign currency changes and other	(46.8)
Goodwill, ending balance	7,956.0
Digital Imaging
Goodwill [Roll Forward]
Goodwill, beginning balance	6,877.0
Foreign currency changes and other	(38.6)
Goodwill, ending balance	6,838.4
Instrumentation
Goodwill [Roll Forward]
Goodwill, beginning balance	944.8
Foreign currency changes and other	(7.9)
Goodwill, ending balance	936.9
Aerospace and Defense Electronics
Goodwill [Roll Forward]
Goodwill, beginning balance	163.4
Foreign currency changes and other	(0.3)
Goodwill, ending balance	163.1
Engineered Systems
Goodwill [Roll Forward]
Goodwill, beginning balance	17.6
Foreign currency changes and other	0.0
Goodwill, ending balance	$ 17.6