Revenue Recognition, Disaggregation of Net Sales (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Revenue recognition
Net sales	$ 3,136.8	$ 2,653.9	$ 6,088.6	$ 5,031.0
United States
Revenue recognition
Net sales	1,041.6	779.1	1,955.5	1,453.0
China
Revenue recognition
Net sales	759.2	690.2	1,515.2	1,351.1
Other foreign locations
Revenue recognition
Net sales	1,336.0	1,184.6	2,617.9	2,226.9
End customers and contract manufacturers
Revenue recognition
Net sales	2,539.1	2,187.0	4,960.8	4,200.3
Distributors and resellers
Revenue recognition
Net sales	597.7	466.9	1,127.8	830.7
Harsh Environment Solutions
Revenue recognition
Net sales	790.4	696.3	1,518.0	1,324.3
Harsh Environment Solutions | United States
Revenue recognition
Net sales	388.3	342.9	743.1	658.9
Harsh Environment Solutions | China
Revenue recognition
Net sales	125.1	112.8	233.3	206.5
Harsh Environment Solutions | Other foreign locations
Revenue recognition
Net sales	277.0	240.6	541.6	458.9
Harsh Environment Solutions | End customers and contract manufacturers
Revenue recognition
Net sales	541.8	505.9	1,053.9	972.4
Harsh Environment Solutions | Distributors and resellers
Revenue recognition
Net sales	248.6	190.4	464.1	351.9
Communications Solutions
Revenue recognition
Net sales	1,378.5	1,115.3	2,698.6	2,143.3
Communications Solutions | United States
Revenue recognition
Net sales	377.7	229.8	693.5	419.9
Communications Solutions | China
Revenue recognition
Net sales	421.7	409.2	875.5	844.2
Communications Solutions | Other foreign locations
Revenue recognition
Net sales	579.1	476.3	1,129.6	879.2
Communications Solutions | End customers and contract manufacturers
Revenue recognition
Net sales	1,063.0	876.7	2,098.5	1,723.7
Communications Solutions | Distributors and resellers
Revenue recognition
Net sales	315.5	238.6	600.1	419.6
Interconnect and Sensor Systems
Revenue recognition
Net sales	967.9	842.3	1,872.0	1,563.4
Interconnect and Sensor Systems | United States
Revenue recognition
Net sales	275.6	206.4	518.9	374.2
Interconnect and Sensor Systems | China
Revenue recognition
Net sales	212.4	168.2	406.4	300.4
Interconnect and Sensor Systems | Other foreign locations
Revenue recognition
Net sales	479.9	467.7	946.7	888.8
Interconnect and Sensor Systems | End customers and contract manufacturers
Revenue recognition
Net sales	934.3	804.4	1,808.4	1,504.2
Interconnect and Sensor Systems | Distributors and resellers
Revenue recognition
Net sales	$ 33.6	$ 37.9	$ 63.6	$ 59.2