Business Acquisitions and Dispositions - Additional Information (Detail) $ in Millions |
3 Months Ended | 9 Months Ended | |
|---|---|---|---|
|
Sep. 30, 2014
USD ($)
Franchise
|
Sep. 30, 2015
USD ($)
Franchise
|
Sep. 30, 2014
USD ($)
Franchise
|
|
| Business Acquisition [Line Items] | |||
| Number of franchise acquired | 0 | ||
| Combined aggregate purchase price of franchise | $ | $ 15.3 | ||
| Number of franchises disposed | 2 | 1 | 5 |
| Cash generated from disposition | $ | $ 14.9 | $ 1.3 | $ 30.1 |
| Mid-line Import Franchise [Member] | |||
| Business Acquisition [Line Items] | |||
| Number of franchise acquired | 1 | ||
| Luxury Franchise [Member] | |||
| Business Acquisition [Line Items] | |||
| Number of franchise acquired | 1 | ||
| X | ||||||||||
- Definition Number of franchises disposed. No definition available.
|
| X | ||||||||||
- Definition Proceeds from dispositions of franchises. No definition available.
|
| X | ||||||||||
- 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. No definition available.
|
| X | ||||||||||
- 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
|
| X | ||||||||||
- Definition The number of businesses acquired by the entity during the period. No definition available.
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|