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Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2023

Fair Value Disclosures [Abstract]

Schedule of Investments Measured at Fair Value on Recurring Basis

The following table presents a summary of investments, which were measured at fair value on a recurring basis.

			June 30, 2023																								December 31, 2022
			Fair Value						Leveling																		Fair Value						Leveling
(in millions)									Level 1						Level 2						Level 3												Level 1						Level 2						Level 3
Cash and money market funds			$	160.2					$	160.2					$	—					$	—					$	262.9					$	262.9					$	—					$	—
Restricted cash			8.0						8.0						—						—						7.8						7.8						—						—
Commercial paper			223.7						—						223.7						—						156.0						—						156.0						—
Corporate debt securities			527.0						—						527.0						—						548.4						—						548.4						—
Securities of government-sponsored entities			408.4						—						408.4						—						321.4						—						321.4						—
Equity security investments			173.0						173.0						—						—						102.1						102.1						—						—
			$	1,500.3					$	341.2					$	1,159.1					$	—					$	1,398.6					$	372.8					$	1,025.8					$	—

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- Definition

Tabular disclosure of assets, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, by class that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482106/820-10-50-2

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482106/820-10-50-2

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X

- References

No definition available.

+ Details

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