Fair Value Measurements, Equity Investments and Other Financial Instruments - Schedule of Equity Investment Without Readily Determinable Fair Value (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended	12 Months Ended
	Mar. 31, 2023	Jun. 30, 2022	Dec. 31, 2022
Equity Securities without Readily Determinable Fair Value [Roll Forward]
Carrying value at the beginning of period	$ 13.3	$ 45.8	$ 45.8
Purchases	0.0		0.0
Impairments or downward adjustments	0.0	$ (16.1)	(31.6)
Upward adjustments	0.0		0.0
Currency translation on investments	0.3		(0.9)
Carrying value at the end of period	$ 13.6		$ 13.3