Revenue Recognition, Disaggregation of Net Sales (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Revenue recognition
Net sales	$ 6,194.4	$ 4,038.8	$ 16,655.7	$ 10,904.9
United States
Revenue recognition
Net sales	2,206.8	1,411.7	5,787.6	3,780.8
China
Revenue recognition
Net sales	948.6	950.6	2,624.7	2,379.3
Other foreign locations
Revenue recognition
Net sales	3,039.0	1,676.5	8,243.4	4,744.8
End customers and contract manufacturers
Revenue recognition
Net sales	5,071.1	3,278.0	13,580.5	8,928.6
Distributors and resellers
Revenue recognition
Net sales	1,123.3	760.8	3,075.2	1,976.3
Harsh Environment Solutions
Revenue recognition
Net sales	1,515.8	1,193.5	4,229.3	3,155.5
Harsh Environment Solutions | United States
Revenue recognition
Net sales	828.8	669.9	2,287.5	1,692.7
Harsh Environment Solutions | China
Revenue recognition
Net sales	126.1	103.6	366.3	282.0
Harsh Environment Solutions | Other foreign locations
Revenue recognition
Net sales	560.9	420.0	1,575.5	1,180.8
Harsh Environment Solutions | End customers and contract manufacturers
Revenue recognition
Net sales	1,099.5	850.3	3,082.4	2,272.3
Harsh Environment Solutions | Distributors and resellers
Revenue recognition
Net sales	416.3	343.2	1,146.9	883.2
Communications Solutions
Revenue recognition
Net sales	3,309.5	1,685.5	8,633.0	4,395.8
Communications Solutions | United States
Revenue recognition
Net sales	939.3	396.4	2,324.6	1,106.9
Communications Solutions | China
Revenue recognition
Net sales	577.5	587.3	1,574.5	1,378.3
Communications Solutions | Other foreign locations
Revenue recognition
Net sales	1,792.7	701.8	4,733.9	1,910.6
Communications Solutions | End customers and contract manufacturers
Revenue recognition
Net sales	2,653.5	1,312.2	6,842.5	3,433.2
Communications Solutions | Distributors and resellers
Revenue recognition
Net sales	656.0	373.3	1,790.5	962.6
Interconnect and Sensor Systems
Revenue recognition
Net sales	1,369.1	1,159.8	3,793.4	3,353.6
Interconnect and Sensor Systems | United States
Revenue recognition
Net sales	438.7	345.4	1,175.5	981.2
Interconnect and Sensor Systems | China
Revenue recognition
Net sales	245.0	259.7	683.9	719.0
Interconnect and Sensor Systems | Other foreign locations
Revenue recognition
Net sales	685.4	554.7	1,934.0	1,653.4
Interconnect and Sensor Systems | End customers and contract manufacturers
Revenue recognition
Net sales	1,318.1	1,115.5	3,655.6	3,223.1
Interconnect and Sensor Systems | Distributors and resellers
Revenue recognition
Net sales	$ 51.0	$ 44.3	$ 137.8	$ 130.5