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Business Acquisitions and Dispositions (Details Textual) (USD $)
In Millions, unless otherwise specified |
12 Months Ended | ||
|---|---|---|---|
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Dec. 31, 2012
Acquisition
Dealership
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Dec. 31, 2011
Dealership
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Dec. 31, 2010
Dealership
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| Business Acquisitions and Dispositions (Textual) [Abstract] | |||
| Aggregate cost of acquisitions during fiscal year | $ 50.0 | ||
| Aggregate cost of acquisitions during term of agreement | 175.0 | ||
| Disposed dealerships | 10 | 0 | 7 |
| Cash generated from disposition | 72.2 | 24.7 | |
| Interest allocated to discontinued operations | $ 0.7 | $ 1.2 | $ 2.1 |
| Number of Acquisition During Year | 0 | ||
| X | ||||||||||
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- Definition
Aggregate cost of acquisitions during fiscal year for restricting dealership acquisitions. No definition available.
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- Definition
Aggregate cost of acquisitions during terms of agreement for restricting dealership. No definition available.
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
Number of acquisitions. No definition available.
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- Definition
Number of dealerships disposed. No definition available.
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| X | ||||||||||
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- Definition
Amount of interest expense allocated to disposal group, including a discontinued operation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The cash inflow associated with the amount received from the sale of a portion of the company's business, for example a segment, division, branch or other business, during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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