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	12 Months Ended
Mar. 31, 2024	Dec. 31, 2023
Equity Securities without Readily Determinable Fair Value [Roll Forward]
Carrying value at the beginning of period	$ 13.8	$ 13.3
Purchases	0.0	0.0
Impairments or downward adjustments	0.0	0.0
Upward adjustments	0.0	0.0
Currency translation on investments	(0.3)	0.5
Carrying value at the end of period	$ 13.5	$ 13.8

Equity Securities without Readily Determinable Fair Value, Asset Purchases

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- Definition

Equity Securities without Readily Determinable Fair Value, Currency Translation On Investments

+ References

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Equity Securities without Readily Determinable Fair Value

+ References

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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
-Topic 321
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479536/321-10-50-3

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- Definition

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
-Topic 321
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479536/321-10-50-3

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- Definition

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
-Topic 321
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479536/321-10-50-3

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