Venture Investments - Schedule of Investment (Details) - USD ($) $ in Millions	Sep. 30, 2026	Apr. 27, 2026	Dec. 31, 2025
Equity Method Investments and Joint Ventures [Abstract]
Equity securities	$ 133.6	$ 75.0	$ 58.8
Equity securities, Fair Value (Level 1)	0.2		1.1
Equity securities, Measurement Alternative	133.4		57.7
Other investments	4.3		2.9
Total	$ 137.9		$ 61.7

Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

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+ Details