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Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2023

Fair Value Disclosures [Abstract]

Schedule of Financial Assets Measured at Fair Value on Recurring Basis

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

			September 30, 2023																		December 31, 2022
			Fair Value						Leveling												Fair Value						Leveling
(in millions)									Level 1						Level 2																		Level 1						Level 2
Cash and money market funds			$	293.7					$	293.7					$	—											$	262.9					$	262.9					$	—
Restricted cash			8.0						8.0						—												7.8						7.8						—
Commercial paper			137.4						—						137.4												156.0						—						156.0
Corporate debt securities			643.0						—						643.0												548.4						—						548.4
Securities of government-sponsored entities			475.7						—						475.7												321.4						—						321.4
Equity security investments			132.8						132.8						—												102.1						102.1						—
			$	1,690.6					$	434.5					$	1,256.1											$	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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