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Business Acquisitions and Dispositions - Additional Information (Detail) (USD $)
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3 Months Ended | 6 Months Ended | |
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Jun. 30, 2014
Franchise
Dealerships
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Jun. 30, 2014
Franchise
Dealerships
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Mar. 31, 2014
Dealerships
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| Business Combinations [Abstract] | |||
| Purchase price for franchise operations and underlying assets, including real estate, acquired | $ 2,573,000 | ||
| Number of luxury franchises | 1 | ||
| Aggregate purchase price luxury franchise | 2,600,000 | ||
| Number of dealerships held for sale | 0 | ||
| Disposed dealerships | 2 | 3 | |
| Cash generated from disposition | $ 13,300,000 | $ 15,200,000 | |
| Number of dealerships held for sale | 2 | 2 |
| X | ||||||||||
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- Definition
Held for sale dealerships number. No definition available.
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- Definition
Number Of Dealerships No definition available.
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- Definition
Number Of Franchises Disposed No definition available.
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- Definition
Proceeds From Dispositions Of Franchises No definition available.
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| X | ||||||||||
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- Definition
Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
The number of businesses acquired by the entity during the period. No definition available.
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| X | ||||||||||
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- Definition
The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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