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Goodwill and Other Intangible Assets - Changes in Carrying Value of Goodwill by Reportable Segment (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019
Goodwill [Roll Forward] |  |  |  |
Balance, December 31, 2019 |  |  | $ 1,260.1 |
Currency impact |  |  | (15.1) |
Impairment Charge | $ (66.8) | $ (64.0) | (66.8) | $ (64.0)
Balance, June 30, 2020 | 1,178.2 |  | 1,178.2 |
Reportable segments | Americas |  |  |  |
Goodwill [Roll Forward] |  |  |  |
Balance, December 31, 2019 |  |  | 535.6 |
Currency impact |  |  | (2.2) |
Balance, June 30, 2020 | 533.4 |  | 533.4 |
Reportable segments | Southern Europe |  |  |  |
Goodwill [Roll Forward] |  |  |  |
Balance, December 31, 2019 |  |  | 144.8 |
Balance, June 30, 2020 | 144.8 |  | 144.8 |
Reportable segments | Northern Europe |  |  |  |
Goodwill [Roll Forward] |  |  |  |
Balance, December 31, 2019 |  |  | 374.6 |
Currency impact |  |  | (11.0) |
Impairment Charge |  |  | (66.8) |
Balance, June 30, 2020 | 296.8 |  | 296.8 |
Reportable segments | APME |  |  |  |
Goodwill [Roll Forward] |  |  |  |
Balance, December 31, 2019 |  |  | 79.1 |
Currency impact |  |  | (1.9) |
Balance, June 30, 2020 | 77.2 |  | 77.2 |
Corporate |  |  |  |
Goodwill [Roll Forward] |  |  |  |
Balance, December 31, 2019 |  |  | 126.0 |
Balance, June 30, 2020 | $ 126.0 |  | $ 126.0 |

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