Goodwill and Other Intangible Assets, Goodwill (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Goodwill.
Goodwill, Beginning Balance	$ 7,092.4	$ 6,446.1
Acquisition-related	1,246.7	612.4
Foreign currency translation	(102.9)	33.9
Goodwill, Ending Balance	8,236.2	7,092.4
Harsh Environment Solutions
Goodwill.
Goodwill, Beginning Balance	2,009.3	1,667.1
Acquisition-related	1,192.3	334.9
Foreign currency translation	(21.6)	7.3
Goodwill, Ending Balance	3,180.0	2,009.3
Communications Solutions
Goodwill.
Goodwill, Beginning Balance	2,977.5	2,908.1
Acquisition-related	(4.5)	68.8
Foreign currency translation	(21.5)	0.6
Goodwill, Ending Balance	2,951.5	2,977.5
Interconnect and Sensor Systems
Goodwill.
Goodwill, Beginning Balance	2,105.6	1,870.9
Acquisition-related	58.9	208.7
Foreign currency translation	(59.8)	26.0
Goodwill, Ending Balance	$ 2,104.7	$ 2,105.6