Revenue Recognition, Disaggregation of Net Sales (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Revenue recognition
Net sales	$ 4,038.8	$ 3,199.2	$ 10,904.9	$ 9,227.2
United States
Revenue recognition
Net sales	1,411.7	1,138.4	3,780.8	3,287.7
China
Revenue recognition
Net sales	950.6	753.7	2,379.3	2,040.5
Other foreign locations
Revenue recognition
Net sales	1,676.5	1,307.1	4,744.8	3,899.0
End customers and contract manufacturers
Revenue recognition
Net sales	3,278.0	2,672.8	8,928.6	7,670.5
Distributors and resellers
Revenue recognition
Net sales	760.8	526.4	1,976.3	1,556.7
Harsh Environment Solutions
Revenue recognition
Net sales	1,193.5	887.3	3,155.5	2,630.4
Harsh Environment Solutions | United States
Revenue recognition
Net sales	669.9	463.7	1,692.7	1,335.7
Harsh Environment Solutions | China
Revenue recognition
Net sales	103.6	84.0	282.0	260.1
Harsh Environment Solutions | Other foreign locations
Revenue recognition
Net sales	420.0	339.6	1,180.8	1,034.6
Harsh Environment Solutions | End customers and contract manufacturers
Revenue recognition
Net sales	850.3	652.4	2,272.3	1,927.7
Harsh Environment Solutions | Distributors and resellers
Revenue recognition
Net sales	343.2	234.9	883.2	702.7
Communications Solutions
Revenue recognition
Net sales	1,685.5	1,279.2	4,395.8	3,567.6
Communications Solutions | United States
Revenue recognition
Net sales	396.4	363.3	1,106.9	1,046.6
Communications Solutions | China
Revenue recognition
Net sales	587.3	447.2	1,378.3	1,182.4
Communications Solutions | Other foreign locations
Revenue recognition
Net sales	701.8	468.7	1,910.6	1,338.6
Communications Solutions | End customers and contract manufacturers
Revenue recognition
Net sales	1,312.2	1,027.2	3,433.2	2,838.3
Communications Solutions | Distributors and resellers
Revenue recognition
Net sales	373.3	252.0	962.6	729.3
Interconnect and Sensor Systems
Revenue recognition
Net sales	1,159.8	1,032.7	3,353.6	3,029.2
Interconnect and Sensor Systems | United States
Revenue recognition
Net sales	345.4	311.4	981.2	905.4
Interconnect and Sensor Systems | China
Revenue recognition
Net sales	259.7	222.5	719.0	598.0
Interconnect and Sensor Systems | Other foreign locations
Revenue recognition
Net sales	554.7	498.8	1,653.4	1,525.8
Interconnect and Sensor Systems | End customers and contract manufacturers
Revenue recognition
Net sales	1,115.5	993.2	3,223.1	2,904.5
Interconnect and Sensor Systems | Distributors and resellers
Revenue recognition
Net sales	$ 44.3	$ 39.5	$ 130.5	$ 124.7