Goodwill and Other Intangible Assets, Goodwill (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Goodwill.
Goodwill, Beginning Balance	$ 6,446.1	$ 6,376.8
Acquisition-related	612.4	190.0
Foreign currency translation	33.9	(120.7)
Goodwill, Ending Balance	7,092.4	6,446.1
Harsh Environment Solutions
Goodwill.
Goodwill, Beginning Balance	1,667.1	1,663.7
Acquisition-related	334.9	33.6
Foreign currency translation	7.3	(30.2)
Goodwill, Ending Balance	2,009.3	1,667.1
Communications Solutions
Goodwill.
Goodwill, Beginning Balance	2,908.1	2,950.1
Acquisition-related	68.8	(5.1)
Foreign currency translation	0.6	(36.9)
Goodwill, Ending Balance	2,977.5	2,908.1
Interconnect and Sensor Systems
Goodwill.
Goodwill, Beginning Balance	1,870.9	1,763.0
Acquisition-related	208.7	161.5
Foreign currency translation	26.0	(53.6)
Goodwill, Ending Balance	$ 2,105.6	$ 1,870.9