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Business Combinations (Details) (USD $) In Millions, unless otherwise specified | 12 Months Ended
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Dec. 31, 2013 item | Dec. 31, 2012 item
Business Combinations |  |
Revenue from acquisition in 2013 | $ 229.1 |
Pre-tax income from acquisition in 2013 | $ 9.7 |
Business combinations |  |
Number of acquired franchises | 9 |
Hertz car rental franchise |  |
Business combinations |  |
Number of acquired franchises | 1 |
Automotive retail franchise |  |
Business combinations |  |
Number of acquired franchises | 9 | 26

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- Definition This element represents the amount of pre-tax income of the acquiree since the acquisition date included in the consolidated income statement for the reporting period. + References No definition available. + Details
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- Definition Number of franchises acquired. + References No definition available. + Details
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- Details
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- Definition This element represents the amount of revenue of the acquiree since the acquisition date included in the consolidated income statement for the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=25497992&loc=d3e1392-128463 + Details
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