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Equity Method Investments in Affiliates - Change in Equity Method Investments in Affiliates (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2022 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Change in Equity Method Investments in Affiliates [Roll Forward] |  |  |  |
Balance, beginning of period |  | $ 2,134.4 |  |
BPEA Transaction gain (Note 10) | $ 641.9 | 641.9 | $ 0.0 | $ 0.0
Distributions of earnings |  | (393.5) | (337.5) | (236.8)
Balance, end of period | 2,139.5 | 2,139.5 | 2,134.4 |
Equity Method Investee |  |  |  |
Change in Equity Method Investments in Affiliates [Roll Forward] |  |  |  |
Balance, beginning of period |  | 2,134.4 | 2,074.8 |
Investments in Affiliates |  | 326.1 | 147.3 |
Earnings |  | 497.2 | 417.5 |
Intangible amortization and impairments |  | (159.1) | (175.0) |
Distributions of earnings |  | (394.7) | (337.5) |
Return of capital |  | (0.8) | (4.4) |
Foreign currency translation |  | (68.5) | 12.5 |
Other |  | (44.5) | (0.8) |
Balance, end of period | $ 2,139.5 | $ 2,139.5 | $ 2,134.4 | $ 2,074.8

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