Goodwill and Other Intangible Assets, Goodwill (Details) $ in Millions	9 Months Ended	12 Months Ended
	Sep. 30, 2023 USD ($) agreement	Dec. 31, 2022 USD ($) agreement
Goodwill.
Goodwill, Beginning Balance	$ 6,446.1
Acquisition-related	163.8
Foreign currency translation	(35.4)
Goodwill, Ending Balance	$ 6,574.5	$ 6,446.1
Number of acquisitions | agreement	6	2
Harsh Environment Solutions
Goodwill.
Goodwill, Beginning Balance	$ 1,667.1
Acquisition-related	140.5
Foreign currency translation	(9.2)
Goodwill, Ending Balance	$ 1,798.4	$ 1,667.1
Number of acquisitions | agreement	4	1
Communications Solutions
Goodwill.
Goodwill, Beginning Balance	$ 2,908.1
Acquisition-related	0.0
Foreign currency translation	(14.2)
Goodwill, Ending Balance	$ 2,893.9	$ 2,908.1
Number of acquisitions | agreement	1
Interconnect and Sensor Systems
Goodwill.
Goodwill, Beginning Balance	$ 1,870.9
Acquisition-related	23.3
Foreign currency translation	(12.0)
Goodwill, Ending Balance	$ 1,882.2	$ 1,870.9
Number of acquisitions | agreement	1	1