XML 17 R55.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Acquisitions (Details) | 6 Months Ended | 0 Months Ended
--- | --- | ---
Jun. 30, 2014 stores | Jun. 30, 2013 stores | Jul. 10, 2014 Subsequent Event [Member] stores
Subsequent Event [Line Items] |  |  |
Number of stores purchased | 0 | 3 | 1

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