Reportable Business Segments and International Operations, Net sales by segment (Details) $ in Millions		12 Months Ended
	Jan. 01, 2022 segment entity	Dec. 31, 2022 USD ($) segment	Dec. 31, 2021 USD ($) segment	Dec. 31, 2020 USD ($)
Segment reporting information
Number of reportable business segments | segment	3	3	2
Number of segment managers | entity	3
Net sales		$ 12,623.0	$ 10,876.3	$ 8,598.9
Communications Solutions, Interconnect and Sensor Systems, Harsh Environment Solutions [Member]
Segment reporting information
Number of reportable business segments in which businesses previously reported in the Interconnect Products and Assemblies segment have now been aligned to. | segment	1
Operating Segment
Segment reporting information
Net sales		12,623.0	10,876.3	8,598.9
Operating Segment | Harsh Environment Solutions
Segment reporting information
Net sales		3,107.2	2,752.2	2,286.0
Operating Segment | Communications Solutions
Segment reporting information
Net sales		5,652.4	4,832.1	4,056.2
Operating Segment | Interconnect and Sensor Systems
Segment reporting information
Net sales		3,863.4	3,292.0	2,256.7
Inter-Segment
Segment reporting information
Net sales		174.7	169.3	138.5
Inter-Segment | Harsh Environment Solutions
Segment reporting information
Net sales		78.1	70.6	52.9
Inter-Segment | Communications Solutions
Segment reporting information
Net sales		79.4	75.0	60.5
Inter-Segment | Interconnect and Sensor Systems
Segment reporting information
Net sales		$ 17.2	$ 23.7	$ 25.1