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Intangible Assets (Details) (USD $) In Millions, unless otherwise specified | 12 Months Ended |
--- | --- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2010
Intangible Assets |  |  |
Goodwill, Accumulated impairment loss |  |  | $ 606.3
Franchise value, Accumulated impairment loss |  |  | 37.1
Summary of the changes in the carrying amount of goodwill and franchise value |  |  |
Goodwill, Beginning Balance | 967.3 | 889.9 |
Goodwill, Additions | 169.3 | 61.7 |
Goodwill, Deconsolidation of Italian investment | (7.2) |  |
Goodwill, Reconsolidation of Italian investment | 7.4 |  |
Goodwill, Foreign currency translation | 7.7 | 15.7 |
Goodwill, Ending Balance | 1,144.5 | 967.3 |
Franchise value, Beginning Balance | 271.7 | 214.4 |
Franchise value, Additions | 22.1 | 53.4 |
Franchise value, Deconsolidation of Italian investment | (2.9) |  |
Franchise value, Reconsolidation of Italian investment | 3.1 |  |
Franchise value, Foreign currency translation | 1.4 | 3.9 |
Franchise value, Ending Balance | $ 295.4 | $ 271.7 |

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- Definition Represents the amount of goodwill written off on account of impairment losses and on sale of all or a portion of a reporting unit during the period. + References No definition available. + Details
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- Definition Represents the amount of indefinite-lived intangible assets on account of business combination of all or a portion of a reporting unit during the period. + References No definition available. + Details
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- Definition Represents the amount of indefinite-lived intangible assets written off on account of impairment losses and on sale of all or a portion of a reporting unit during the period. + References No definition available. + Details
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- Definition The accumulated impairment losses related to indefinite-lived intangible assets other than goodwill as of the balance sheet date. + References No definition available. + Details
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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266 + Details
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- Definition Amount of increase (decrease) from foreign currency translation adjustments and purchase accounting adjustments of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13816-109267 + Details
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