Goodwill and Other Intangible Assets, Goodwill (Details) $ in Millions	3 Months Ended
	Mar. 31, 2025 USD ($)
Goodwill.
Goodwill, Beginning Balance	$ 8,236.2
Acquisition-related	989.2
Foreign currency translation	48.9
Goodwill, Ending Balance	9,274.3
Harsh Environment Solutions
Goodwill.
Goodwill, Beginning Balance	3,180.0
Acquisition-related	100.4
Foreign currency translation	9.6
Goodwill, Ending Balance	3,290.0
Communications Solutions
Goodwill.
Goodwill, Beginning Balance	2,951.5
Acquisition-related	888.5
Foreign currency translation	8.8
Goodwill, Ending Balance	3,848.8
Interconnect and Sensor Systems
Goodwill.
Goodwill, Beginning Balance	2,104.7
Acquisition-related	0.3
Foreign currency translation	30.5
Goodwill, Ending Balance	$ 2,135.5