Reportable Business Segments and International Operations, Reconciliation of Segment Operating Income to Consolidated Income Before Income Taxes (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Segment Reporting Information
Operating income	$ 2,559.6	$ 2,585.8	$ 2,105.1
Stock-based compensation expense	(99.0)	(89.5)	(83.0)
Acquisition-related expenses	(34.6)	(21.5)	(70.4)
Other operating expenses	(67.9)	(67.0)	(61.1)
Interest expense	(139.5)	(128.4)	(115.5)
Gain on bargain purchase acquisition	5.4	0.0	0.0
Other income (expense), net	29.3	10.0	(0.4)
Income from continuing operations before income taxes	2,454.8	2,467.4	1,989.2
Operating Segment
Segment Reporting Information
Operating income	2,761.1	2,763.8	2,319.6
Operating Segment | Harsh Environment Solutions
Segment Reporting Information
Operating income	943.9	801.6	708.2
Operating Segment | Communications Solutions
Segment Reporting Information
Operating income	1,063.5	1,245.7	1,023.3
Operating Segment | Interconnect and Sensor Systems
Segment Reporting Information
Operating income	$ 753.7	$ 716.5	$ 588.1