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Interim Financial Statements (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 9 Months Ended | 3 Months Ended | 1 Months Ended | 9 Months Ended
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Sep. 30, 2013 item | Sep. 30, 2012 | Sep. 30, 2013 item | Sep. 30, 2012 | Sep. 30, 2013 Northern Italy | Sep. 30, 2013 Penske Commercial Vehicles | Aug. 31, 2013 Penske Commercial Vehicles item | Sep. 30, 2013 Penske Commercial Vehicles item | Sep. 30, 2013 Hertz car rental franchise item | Sep. 30, 2013 Penske Truck Leasing Co., L.P. | Sep. 30, 2013 Toyota/Lexus item | Sep. 30, 2013 Chrysler/Jeep/Dodge item
Interim Financial Statements |  |  |  |  |  |  |  |  |  |  |  |
Total number of owned and operated franchises | 321 |  | 321 |  |  |  |  |  |  |  |  |
Number of owned and operated franchises in US | 171 |  | 171 |  |  |  |  |  |  |  |  |
Number of owned and operated franchises outside US | 150 |  | 150 |  |  |  |  |  |  |  |  |
Significant Accounting Policies |  |  |  |  |  |  |  |  |  |  |  |
Ownership interest in Penske Truck Leasing Co (as a percent) |  |  |  |  |  |  |  |  |  | 9.00% |  |
Number of truck retail dealerships owned by the reporting entity |  |  |  |  |  |  | 2 |  |  |  |  |
Revenue | $ 3,824,143 | $ 3,336,020 | $ 10,927,917 | $ 9,814,784 |  | $ 49,426 |  |  | $ 38,600 |  |  |
Number of dealerships in a certified network |  |  |  |  |  |  |  | 84 |  |  |  |
Purchase price |  |  | $ 221,160 | $ 137,805 |  |  |  | $ 200,000 |  |  |  |
Number of acquired franchises |  |  | 1 |  |  |  |  |  | 1 |  |  |
Number of franchises awarded to the reporting entity |  |  | 2 |  |  |  |  |  |  |  |  |
Number of franchises disposed of |  |  | 26 |  |  |  |  |  |  |  | 10 | 12
Number of different brands represented by franchises awarded to the reporting entity |  |  | 9 |  |  |  |  |  |  |  |  |
Additional ownership interest acquired (as a percent) |  |  |  |  | 35.00% |  |  |  |  |  |  |
Ownership interest (as a percent) |  |  |  |  | 70.00% |  |  |  |  |  |  |
Minimum number of on and off-airport locations in which company operates | 50 |  | 50 |  |  |  |  |  |  |  |  |

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- Definition Fair value at acquisition-date of the assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interests issued by the acquirer, including but not limited to, instruments or interests issued or issuable in consideration for the business combination. + 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 (g) -URI http://asc.fasb.org/extlink&oid=25497992&loc=d3e1392-128463 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7488404&loc=d3e6927-128479 + Details
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