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v2.4.0.8

Summary of Significant Accounting Policies (Details 4) | Dec. 31, 2013 restaurant | Dec. 25, 2012 restaurant
--- | --- | ---
Segment Reporting |  |
Number of restaurants | 420 | 392
Company-owned |  |
Segment Reporting |  |
Number of restaurants | 346 | 320
Franchise |  |
Segment Reporting |  |
Number of restaurants | 74 | 71

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

X
- Definition Represents the number of restaurants. + References No definition available. + Details
Name: | us-gaap_NumberOfRestaurants
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant