Goodwill and Other Intangible Assets, Goodwill (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Goodwill
Goodwill, Beginning Balance	$ 8,236.2	$ 7,092.4
Acquisition-related	2,161.6	1,246.7
Foreign currency translation	177.6	(102.9)
Goodwill, Ending Balance	10,575.4	8,236.2
Communications Solutions
Goodwill
Goodwill, Beginning Balance	2,951.5	2,977.5
Acquisition-related	872.4	(4.5)
Foreign currency translation	34.7	(21.5)
Goodwill, Ending Balance	3,858.6	2,951.5
Harsh Environment Solutions
Goodwill
Goodwill, Beginning Balance	3,180.0	2,009.3
Acquisition-related	1,052.6	1,192.3
Foreign currency translation	37.6	(21.6)
Goodwill, Ending Balance	4,270.2	3,180.0
Interconnect and Sensor Systems
Goodwill
Goodwill, Beginning Balance	2,104.7	2,105.6
Acquisition-related	236.6	58.9
Foreign currency translation	105.3	(59.8)
Goodwill, Ending Balance	$ 2,446.6	$ 2,104.7