Segments - Schedule of Reconciliation of Total Segment Revenues and Sales to Total Consolidated Revenues and Sales (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2026	Mar. 31, 2025
Segment Reporting Information [Line Items]
Total segment revenues and sales	$ 987.5	$ 293.9
Operating Segments
Segment Reporting Information [Line Items]
Total segment revenues and sales	1,034.6	293.9
Intersegment Eliminations
Segment Reporting Information [Line Items]
Total segment revenues and sales	$ (47.1)	$ 0.0

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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+ Details