Revenue Recognition, Disaggregation of Net Sales (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Revenue recognition
Net sales	$ 5,650.3	$ 3,609.7	$ 10,461.3	$ 6,866.0
United States
Revenue recognition
Net sales	1,937.3	1,256.0	3,580.9	2,369.1
China
Revenue recognition
Net sales	882.2	758.2	1,676.1	1,428.6
Other foreign locations
Revenue recognition
Net sales	2,830.8	1,595.5	5,204.3	3,068.3
End customers and contract manufacturers
Revenue recognition
Net sales	4,580.5	2,952.4	8,509.4	5,650.6
Distributors and resellers
Revenue recognition
Net sales	1,069.8	657.3	1,951.9	1,215.4
Harsh Environment Solutions
Revenue recognition
Net sales	1,445.2	1,046.0	2,713.4	1,962.0
Harsh Environment Solutions | United States
Revenue recognition
Net sales	772.3	567.8	1,458.7	1,022.8
Harsh Environment Solutions | China
Revenue recognition
Net sales	134.0	97.4	240.2	178.4
Harsh Environment Solutions | Other foreign locations
Revenue recognition
Net sales	538.9	380.8	1,014.5	760.8
Harsh Environment Solutions | End customers and contract manufacturers
Revenue recognition
Net sales	1,058.2	746.8	1,982.8	1,422.0
Harsh Environment Solutions | Distributors and resellers
Revenue recognition
Net sales	387.0	299.2	730.6	540.0
Communications Solutions
Revenue recognition
Net sales	2,909.8	1,444.6	5,323.5	2,710.3
Communications Solutions | United States
Revenue recognition
Net sales	780.5	363.8	1,385.3	710.5
Communications Solutions | China
Revenue recognition
Net sales	515.2	416.8	997.0	791.0
Communications Solutions | Other foreign locations
Revenue recognition
Net sales	1,614.1	664.0	2,941.2	1,208.8
Communications Solutions | End customers and contract manufacturers
Revenue recognition
Net sales	2,272.3	1,130.0	4,189.0	2,121.0
Communications Solutions | Distributors and resellers
Revenue recognition
Net sales	637.5	314.6	1,134.5	589.3
Interconnect and Sensor Systems
Revenue recognition
Net sales	1,295.3	1,119.1	2,424.4	2,193.7
Interconnect and Sensor Systems | United States
Revenue recognition
Net sales	384.5	324.4	736.9	635.8
Interconnect and Sensor Systems | China
Revenue recognition
Net sales	233.0	244.0	438.9	459.2
Interconnect and Sensor Systems | Other foreign locations
Revenue recognition
Net sales	677.8	550.7	1,248.6	1,098.7
Interconnect and Sensor Systems | End customers and contract manufacturers
Revenue recognition
Net sales	1,250.0	1,075.6	2,337.6	2,107.6
Interconnect and Sensor Systems | Distributors and resellers
Revenue recognition
Net sales	$ 45.3	$ 43.5	$ 86.8	$ 86.1