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Business Combinations and Asset Acquisitions (Details) - USD ($) $ in Millions		9 Months Ended
	Feb. 17, 2026	Sep. 30, 2026	Sep. 30, 2025	Mar. 02, 2026
Business Combination, Asset Acquisition, Transaction between Entities under Common Control, and Joint Venture Formation [Abstract]
Goodwill, Acquired During Period		$ 582.6
Acquisitions and equity method investments, net of cash acquired		822.9	$ 277.4
Business Combination [Line Items]
Acquisitions and equity method investments, net of cash acquired		822.9	$ 277.4
Goodwill, Acquired During Period		582.6
Business Combination, Price of Acquisition, Expected		353.4
Stellar Energy
Business Combination, Asset Acquisition, Transaction between Entities under Common Control, and Joint Venture Formation [Abstract]
Business Combination, Recognized Asset Acquired, Identifiable Intangible Asset, Excluding Goodwill	$ 315.0
Goodwill, Acquired During Period	405.1
Acquisitions and equity method investments, net of cash acquired	553.4
Business Combination [Line Items]
Acquisitions and equity method investments, net of cash acquired	553.4
Goodwill, Acquired During Period	405.1
Business Combination, Recognized Asset Acquired, Identifiable Intangible Asset, Excluding Goodwill	315.0
Business Combination, Recognized Asset Acquired, Cash and Cash Equivalent	(185.4)
Stellar Energy \| Stellar Energy
Business Combination [Line Items]
Business Combination, Recognized Asset Acquired, Asset	140.8
Business Combination, Recognized Asset Acquired, Asset	$ 140.8
Liquidstack
Business Combination [Line Items]
Business Combination, Contingent Consideration, Liability		$ 15.8		$ 60.6