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Investments - Schedule of Company Investments (Details) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2025 USD ($) company	Jun. 30, 2024 USD ($)	Jun. 30, 2025 USD ($) company	Jun. 30, 2024 USD ($)	Dec. 31, 2024 USD ($)
Schedule of Investments [Line Items]
Total	$ 4.4		$ 4.4		$ 3.6
Number of publicly traded companies | company	2		2
Loss from equity investees	$ 0.0	$ (1.1)	$ (5.9)	$ (2.3)
Common Stock
Schedule of Investments [Line Items]
Equity method	0.9		0.9		0.9
Fair value	2.6		2.6		1.8
Measurement alternative	0.9		0.9		0.9
Total	$ 4.4		$ 4.4		$ 3.6

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