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Fair Value Measurements, Equity Investments and Other Financial Instruments - Equity Investment Without Readily Determinable Fair Value Narrative (Details) $ in Millions	3 Months Ended				6 Months Ended		12 Months Ended
	Jun. 30, 2022 USD ($)	Sep. 30, 2021 USD ($)	Jun. 30, 2021 USD ($)	Dec. 31, 2020 USD ($) investment	Jun. 30, 2022 USD ($)	Jun. 30, 2021 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2018 USD ($)
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Equity investment fair value	$ 13.1			$ 25.4	$ 13.1		$ 45.8
Additional investment				$ 5.7	2.2	$ 15.0
Upward adjustments	0.2	$ 6.6	$ 0.0		0.2	0.0	6.6
Impairments or downward adjustments	16.1		$ 0.0		31.6	$ 0.0	0.0
Number of investments | investment				1
Cumulative upward adjustment	21.7				21.7		21.7
Cumulative downward adjustment	31.6				31.6		0.0
Cumulative adjustment, net	9.9				9.9
Equity Securities
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Equity investment fair value	$ 0.0				$ 0.0		31.6
Additional investment							9.0	$ 7.5
Upward adjustments				$ 15.1
Impairments or downward adjustments							$ 15.5

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- Definition

Equity Securities without Readily Determinable Fair Value, Upward Price Adjustment, Cumulative Amount, Net of Downward Adjustments

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Amount of investment in equity security without readily determinable fair value.

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-Publisher FASB
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-Topic 321
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-Section 50
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The cash outflow associated with the purchase of all investments (debt, security, other) during the period.

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