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Intangible Assets - Accumulated Impairment, Changes in Goodwill and Other Indefinite-Lived Intangibles (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2013
Goodwill and Intangible Assets Disclosure [Abstract] |  |  |
Goodwill, Accumulated impairment loss |  |  | $ 606.3
Other indefinite-lived intangible assets, Accumulated impairment loss |  |  | $ 37.1
Goodwill [Roll Forward] |  |  |
Goodwill, Beginning balance | $ 1,928.4 | $ 1,911.0 |
Additions | 209.6 | 0.0 |
Disposals | (0.6) | (8.8) |
Impairment | 0.0 | 0.0 |
Foreign currency translation | (13.3) | 26.2 |
Goodwill, Ending balance | 2,124.1 | 1,928.4 |
Indefinite-lived Intangible Assets [Roll Forward] |  |  |
Beginning Balance | 563.4 | 552.2 |
Additions | 84.8 | 2.5 |
Disposals | 0.0 | 0.0 |
Impairment | 0.0 | (1.2) |
Foreign currency translation | (6.7) | 9.9 |
Ending Balance | $ 641.5 | $ 563.4 |

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