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Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2023

Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]

Financial instruments measured at fair value on a recurring basis

The following table presents financial instruments measured at fair value on a recurring basis:

						June 30, 2023
(in millions)						Level 1						Level 2						Level 3						Total
Assets at Fair Value:
Marketable securities:
Corporate debt securities						$	10.9					$	—					$	—					$	10.9
Mutual funds						95.7						—						—						95.7
Equity securities						0.1						—						—						0.1
Total Marketable Securities						106.7						—						—						106.7
Total Assets at Fair Value						$	106.7					$	—					$	—					$	106.7

Fair value of Debt Instruments

At June 30, 2023, the fair values were as follows:

(in millions)			Fair Value						Level
$750.0 million fixed rate notes due March 2025			722.8						Level 2
$500.0 million fixed rate notes due June 2028			478.8						Level 2
$750.0 million fixed rate notes due March 2032			636.7						Level 2
$750.0 million fixed rate notes due September 2043			777.4						Level 2
$700.0 million fixed rate notes due June 2048			626.2						Level 2

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[Table Text Block] for Fair value of Debt Instruments [Table]

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

The entire disclosure of the fair value measurement of assets and liabilities, which includes financial instruments measured at fair value that are classified in shareholders' equity, which may be measured on a recurring or nonrecurring basis.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 820
-Name Accounting Standards Codification
-Publisher FASB
-URI https://asc.fasb.org//820/tableOfContent

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