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Acquisitions, Goodwill and Other Intangible Assets, Net - Acquisition-related results and Acquisition and integration costs (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Business Combinations [Line Items]
Business combinations, consolidated acquisition-related revenue	$ 166.4	$ 42.8	$ 1,546.3
Business combinations, consolidated acquisition-related net income (loss)	0.0	0.0	(40.0)
Acquisition costs	4.0	$ 3.0	3.0
2023 Acquisitions, Infrastructure Energy Alternatives, Inc.
Business Combinations [Line Items]
Business combinations, consolidated acquisition-related revenue			1,374.6
2025 Acquisitions
Business Combinations [Line Items]
Business combinations, consolidated acquisition-related revenue	0.0
Business combinations, consolidated acquisition-related net income (loss)	$ 0.0
2023 Acquisitions
Business Combinations [Line Items]
Acquisition and integration costs			71.9
2023 Acquisitions \| General and Administrative Expense
Business Combinations [Line Items]
Acquisition and integration costs			64.1
2023 Acquisitions \| Cost of Sales
Business Combinations [Line Items]
Acquisition and integration costs			$ 7.8