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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
	Jun. 30, 2022	Sep. 30, 2021	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Equity Securities without Readily Determinable Fair Value [Roll Forward]
Carrying value at the beginning of period				$ 45.8	$ 25.4	$ 25.4
Purchases				0.0		14.7
Impairments or downward adjustments	$ (16.1)		$ 0.0	(31.6)	0.0	0.0
Upward adjustments	0.2	$ 6.6	$ 0.0	0.2	$ 0.0	6.6
Currency translation on investments				(1.1)		(0.9)
Carrying value at the end of period	$ 13.1			$ 13.1		$ 45.8

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 321
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=126980263&loc=SL75117539-209714

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Amount of loss from downward price adjustment on investment in equity security without readily determinable fair value.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 321
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=126980263&loc=SL75117539-209714

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Amount of gain from upward price adjustment on investment in equity security without readily determinable fair value.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 321
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (c)
-URI https://asc.fasb.org/extlink&oid=126980263&loc=SL75117539-209714

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