Goodwill and Other Intangible Assets, Goodwill (Details) $ in Millions	6 Months Ended
	Jun. 30, 2025 USD ($)
Goodwill.
Goodwill, Beginning Balance	$ 8,236.2
Acquisition-related	1,238.7
Foreign currency translation	176.4
Goodwill, Ending Balance	9,651.3
Harsh Environment Solutions
Goodwill.
Goodwill, Beginning Balance	3,180.0
Acquisition-related	346.9
Foreign currency translation	40.2
Goodwill, Ending Balance	3,567.1
Communications Solutions
Goodwill.
Goodwill, Beginning Balance	2,951.5
Acquisition-related	891.5
Foreign currency translation	32.2
Goodwill, Ending Balance	3,875.2
Interconnect and Sensor Systems
Goodwill.
Goodwill, Beginning Balance	2,104.7
Acquisition-related	0.3
Foreign currency translation	104.0
Goodwill, Ending Balance	$ 2,209.0