Investments - Schedule of Investments in Marketable Securities and Other Investments (Details) - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Investments, Debt and Equity Securities [Abstract]
Equity securities	$ 34.8	$ 32.3
Debt securities	50.0	24.3
Total marketable securities	84.8	56.6
Investments measured at NAV as a practical expedient	576.4	488.6
Investments without readily determinable fair values	50.4	50.4	$ 50.4
Total other investments	626.8	539.0	$ 480.9
Investments	$ 711.6	$ 595.6