Reportable Business Segments, Depreciation & Amortization by Segment (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Segment reporting information
Depreciation and amortization	$ 485.8	$ 236.3
Communications Solutions
Segment reporting information
Depreciation and amortization	211.3	89.8
Harsh Environment Solutions
Segment reporting information
Depreciation and amortization	47.9	38.3
Interconnect and Sensor Systems
Segment reporting information
Depreciation and amortization	40.0	34.7
Corporate / Other
Segment reporting information
Depreciation and amortization	$ 186.6	$ 73.5