Revenue Recognition, Disaggregation of Net Sales (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Revenue recognition
Net sales	$ 3,609.7	$ 3,053.9	$ 6,866.0	$ 6,028.0
United States
Revenue recognition
Net sales	1,256.0	1,097.0	2,369.1	2,149.3
China
Revenue recognition
Net sales	758.2	667.6	1,428.6	1,286.8
Other foreign locations
Revenue recognition
Net sales	1,595.5	1,289.3	3,068.3	2,591.9
End customers and contract manufacturers
Revenue recognition
Net sales	2,952.4	2,532.6	5,650.6	4,997.7
Distributors and resellers
Revenue recognition
Net sales	657.3	521.3	1,215.4	1,030.3
Harsh Environment Solutions
Revenue recognition
Net sales	1,046.0	888.9	1,962.0	1,743.1
Harsh Environment Solutions | United States
Revenue recognition
Net sales	567.8	453.3	1,022.8	872.1
Harsh Environment Solutions | China
Revenue recognition
Net sales	97.4	89.8	178.4	176.1
Harsh Environment Solutions | Other foreign locations
Revenue recognition
Net sales	380.8	345.8	760.8	694.9
Harsh Environment Solutions | End customers and contract manufacturers
Revenue recognition
Net sales	746.8	651.5	1,422.0	1,275.3
Harsh Environment Solutions | Distributors and resellers
Revenue recognition
Net sales	299.2	237.4	540.0	467.8
Communications Solutions
Revenue recognition
Net sales	1,444.6	1,161.6	2,710.3	2,288.4
Communications Solutions | United States
Revenue recognition
Net sales	363.8	347.0	710.5	683.3
Communications Solutions | China
Revenue recognition
Net sales	416.8	385.2	791.0	735.2
Communications Solutions | Other foreign locations
Revenue recognition
Net sales	664.0	429.4	1,208.8	869.9
Communications Solutions | End customers and contract manufacturers
Revenue recognition
Net sales	1,130.0	920.3	2,121.0	1,811.1
Communications Solutions | Distributors and resellers
Revenue recognition
Net sales	314.6	241.3	589.3	477.3
Interconnect and Sensor Systems
Revenue recognition
Net sales	1,119.1	1,003.4	2,193.7	1,996.5
Interconnect and Sensor Systems | United States
Revenue recognition
Net sales	324.4	296.7	635.8	593.9
Interconnect and Sensor Systems | China
Revenue recognition
Net sales	244.0	192.6	459.2	375.5
Interconnect and Sensor Systems | Other foreign locations
Revenue recognition
Net sales	550.7	514.1	1,098.7	1,027.1
Interconnect and Sensor Systems | End customers and contract manufacturers
Revenue recognition
Net sales	1,075.6	960.8	2,107.6	1,911.3
Interconnect and Sensor Systems | Distributors and resellers
Revenue recognition
Net sales	$ 43.5	$ 42.6	$ 86.1	$ 85.2