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Summary of Significant Accounting Policies (Franchise) (Details) - restaurant	Dec. 27, 2016	Dec. 29, 2015
Company-owned
Segment Reporting
Number of restaurants	431	401
Franchise
Segment Reporting
Number of restaurants	86	82

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- Definition

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- References

No definition available.

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- Details

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Namespace Prefix:
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- Details

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Namespace Prefix:
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