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Business Combinations (Details) - item	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Retail Automotive Franchise
Business combinations
Number of acquired franchises	1	2
Retail Commercial Truck Dealership
Business combinations
Number of acquired franchises	2

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- Definition

Number of franchises acquired.

+ References

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+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Details

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- Details

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