Segments and Related Information - Schedule of Financial Information by Reportable Segment - Depreciation and Amortization (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Depreciation and Amortization:
Consolidated depreciation and amortization	$ 603.2	$ 507.1	$ 422.8
Reportable Segments | Communications
Depreciation and Amortization:
Consolidated depreciation and amortization	136.8	126.4	99.3
Reportable Segments | Clean Energy and Infrastructure
Depreciation and Amortization:
Consolidated depreciation and amortization	144.2	87.0	43.5
Reportable Segments | Power Delivery
Depreciation and Amortization:
Consolidated depreciation and amortization	158.9	147.8	61.5
Reportable Segments | Oil and Gas
Depreciation and Amortization:
Consolidated depreciation and amortization	152.9	134.6	207.8
Reportable Segments | Other
Depreciation and Amortization:
Consolidated depreciation and amortization	0.0	0.0	0.0
Corporate
Depreciation and Amortization:
Consolidated depreciation and amortization	$ 10.4	$ 11.3	$ 10.7