Goodwill and Other Intangible Assets, Goodwill (Details) $ in Millions	9 Months Ended
	Sep. 30, 2024 USD ($)
Goodwill.
Goodwill, Beginning Balance	$ 7,092.4
Acquisition-related	1,247.4
Foreign currency translation	12.3
Goodwill, Ending Balance	8,352.1
Harsh Environment Solutions
Goodwill.
Goodwill, Beginning Balance	2,009.3
Acquisition-related	1,185.4
Foreign currency translation	4.3
Goodwill, Ending Balance	3,199.0
Communications Solutions
Goodwill.
Goodwill, Beginning Balance	2,977.5
Acquisition-related	4.1
Foreign currency translation	2.6
Goodwill, Ending Balance	2,984.2
Interconnect and Sensor Systems
Goodwill.
Goodwill, Beginning Balance	2,105.6
Acquisition-related	57.9
Foreign currency translation	5.4
Goodwill, Ending Balance	$ 2,168.9