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Equity Method Investments in Affiliates - Change in Equity Method Investments (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Change in Equity Method Investments in Affiliates [Roll Forward]
Balance, as of December 31, 2020	$ 2,074.8
Distributions of earnings	(226.6)	$ (160.2)
Balance, as of June 30, 2021	2,119.1
Equity Method Investee
Change in Equity Method Investments in Affiliates [Roll Forward]
Balance, as of December 31, 2020	2,074.8
Investments in Affiliates	144.2
Earnings	153.7
Intangible amortization and impairments	(64.5)
Distributions of earnings	(226.6)
Foreign currency translation	28.4
Other	9.1
Balance, as of June 30, 2021	$ 2,119.1

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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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