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Equity Method Investments in Affiliates - Change in Equity Method Investments (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Dec. 31, 2024
Change in Equity Method Investments in Affiliates [Roll Forward]
Balance, as of December 31, 2024	$ 2,246.6
Distributions of earnings	(295.9)	$ (289.0)
Balance, as of June 30, 2025	2,618.3
Equity Method Investee
Change in Equity Method Investments in Affiliates [Roll Forward]
Balance, as of December 31, 2024	2,246.6
Investments in Affiliates	534.5
Earnings, net of tax	186.5
Intangible amortization and impairments	(45.6)
Distributions of earnings	(294.5)
Foreign currency translation	(9.2)
Balance, as of June 30, 2025	2,618.3
Equity method investment, undistributed earnings	$ 93.9		$ 206.1

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Amount of distribution received from equity method investee for return on investment, classified as operating activities. Excludes distribution for return of investment, classified as investing activities.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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