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Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2024

Fair Value Disclosures [Abstract]

Schedule of Carrying Values and Estimated Fair Values of Debt Instruments

The fair value and carrying value of our debt are presented in the following table.

			December 31,
(in millions)			2024						2023
Long-term debt, fair value			$	785.2					798.1
Long-term debt, carrying value, net of debt issuance costs			756.7						779.3

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis

The following table categorizes by level in the fair value hierarchy the estimated fair value of our assets and liabilities measured at fair value on a recurring basis.

			December 31,
			2024												2023
(in millions)			Level 1			Level 2			Level 3						Level 1			Level 2			Level 3
Assets
Investments - fair value			$	43.8		—			330.3						51.7			—			367.3
Foreign currency forward contracts receivable			—			4.9			—						—			12.5			—
Warehouse receivables			—			770.7			—						—			677.4			—
Deferred compensation plan assets			—			664.0			—						—			604.3			—
Mortgage banking derivative assets			—			—			161.1						—			—			128.0
Total assets at fair value			$	43.8		1,439.6			491.4						51.7			1,294.2			495.3
Liabilities
Foreign currency forward contracts payable			$	—		13.9			—						—			8.8			—
Deferred compensation plan liabilities			—			658.4			—						—			576.1			—
Earn-out liabilities			—			—			35.8						—			—			57.5
Mortgage banking derivative liabilities			—			—			67.3						—			—			117.7
Total liabilities at fair value			$	—		672.3			103.1						—			584.9			175.2

Foreign currency forward contracts, gross notional value and net basis

The following table details the gross notional value and net basis of these contracts.

			December 31,
(in billions)			2024						2023
Foreign currency forward contracts, gross notional value			$	2.21					2.07
Foreign currency forward contracts, net basis			1.08						1.21

Schedule of Foreign Exchange Contracts, Statement of Financial Position

The outstanding balances of these contracts are presented in the following table.

			December 31,
(in millions)			2024						2023
Net asset, receivable positions			$	5.4					15.2
Net asset, payable positions			(0.5)						(2.7)
Foreign currency forward contracts receivable			$	4.9					12.5
Net liability, receivable positions			$	(1.9)					(3.2)
Net liability, payable positions			15.8						12.0
Foreign currency forward contracts payable			$	13.9					8.8

Schedule of Deferred Compensation Plan Components

The components of the plan are presented in the following table.

			December 31,
(in millions)			2024						2023
Deferred compensation plan assets			$	664.0					604.3
Long-term deferred compensation plan liabilities			658.4						576.1
Shares held in trust			11.8						10.4

Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation

The tables below present a reconciliation for assets and liabilities measured at fair value on a recurring basis using significant unobservable inputs (Level 3).

(in millions)			Balance as of December 31, 2023			Net change in fair value			Foreign CTA(1)			Purchases / Additions			Settlements			Transfers in (out)(2)			Balance as of December 31, 2024
Investments			$	367.3		(53.9)			(0.6)			5.2			—			12.3						$	330.3
Mortgage banking derivative assets and liabilities, net			10.3			126.4			—			126.6			(169.5)			—						93.8
Earn-out liabilities			57.5			(32.5)			(0.2)			13.4			(2.3)			(0.1)						35.8

(in millions)			Balance as of December 31, 2022			Net change in fair value			Foreign CTA(1)			Purchases / Additions			Settlements			Transfers in (out)(2)			Balance as of December 31, 2023
Investments			$	452.0		(175.0)			1.2			22.2			—			66.9						$	367.3
Mortgage banking derivative assets and liabilities, net			20.7			56.8			—			123.2			(190.4)			—						10.3
Earn-out liabilities			73.2			(4.4)			0.1			—			(10.5)			(0.9)						57.5

(1) CTA: Currency translation adjustments

(2) Within Investments, notes receivable (inclusive of accrued interest) converted to unconsolidated equity investments upon maturity and was classified as a Level 3 investment immediately.

Fair Value, Qualitative Disclosures About Assets and Liabilities using Unobservable Inputs

Net change in fair value, included in the tables above, is reported in Net income as follows.

Category of Assets/Liabilities using Unobservable Inputs			Consolidated Statements of Comprehensive Income Account Caption
Earn-out liabilities (short-term and long-term)			Restructuring and acquisition charges
Investments			Equity (losses) earnings
Other current assets - Mortgage banking derivative assets			Revenue
Other current liabilities - Mortgage banking derivative liabilities			Revenue

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Tabular disclosure of the application of the fair value option for measurement and reporting of eligible financial assets and liabilities (as defined), as well as certain other eligible items (as defined) included in the statement of financial position, whether such option is elected for a single eligible item or a group of similar eligible items and is in addition to other disclosures concerning fair value which the company may be required to provide. Such disclosure might be expected to include: (1) for items included in the statement of financial position: (a) the reasons for electing a fair value option for each eligible item or group of similar eligible items and (b) if the fair value option is elected for some but not all eligible items within a group of similar eligible items: (i) a description of those similar items and the reasons for partial election and (ii) information of how the group of similar items relates to individual balance sheet line items; (c) for each line item in the statement of financial position that includes an item or items for which the fair value option has been elected, information of how each line item in the statement of financial position relates to major categories of assets and liabilities presented in accordance with other fair value disclosures; (2) for items included in the income statement: (a) a description of how interest and dividends are measured and where they are reported in the income statement; (b) how the gains or losses attributable to changes in instrument-specific credit risk were determined; (c) for liabilities with fair values that have been significantly affected during the reporting period by changes in the instrument-specific credit risk: (i) qualitative information about the reasons for the changes and (ii) how the gains and losses attributable to changes in instrument-specific credit risk were determined; and (3) certain other disclosures as required or determined to be provided.

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