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Intangible Franchise Rights and Goodwill - Roll-Forward of Goodwill by Reportable Segment (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Goodwill [Roll Forward] |  |  |
BALANCE | $ 963.9 | $ 913.0 |
Additions through acquisitions | 43.3 | 72.5 |
Disposals | (1.6) | (13.4) |
Currency translation | 2.7 | (8.2) |
BALANCE | 1,008.3 | 963.9 |
Accumulated impairment | 97.8 | 97.8 | $ 97.8
U.S. |  |  |
Goodwill [Roll Forward] |  |  |
BALANCE | 861.6 | 835.3 |
Additions through acquisitions | 42.0 | 39.7 |
Disposals | (1.3) | (13.4) |
Currency translation | 0.0 | 0.0 |
BALANCE | 902.3 | 861.6 |
U.K. |  |  |
Goodwill [Roll Forward] |  |  |
BALANCE | 87.6 | 65.0 |
Additions through acquisitions | 1.3 | 28.5 |
Disposals | 0.0 | 0.0 |
Currency translation | 3.2 | (5.9) |
BALANCE | 92.1 | 87.6 |
Brazil |  |  |
Goodwill [Roll Forward] |  |  |
BALANCE | 14.7 | 12.7 |
Additions through acquisitions | 0.0 | 4.3 |
Disposals | (0.3) | 0.0 |
Currency translation | (0.5) | (2.3) |
BALANCE | $ 13.9 | $ 14.7 |

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- Definition Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267 + Details
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