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v2.4.0.8

Acquisitions (Details) | 9 Months Ended | 1 Months Ended
--- | --- | ---
Sep. 30, 2014 stores | Sep. 30, 2013 stores | Oct. 22, 2014 Subsequent Event [Member] stores
Subsequent Event [Line Items] |  |  |
Number of stores purchased | 1 | 3 | 4

X
- Definition The number of businesses acquired by the entity during the period. + References No definition available. + Details
Name: | us-gaap_NumberOfBusinessesAcquired
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_SubsequentEventLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration