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Description of Business (Details)	Dec. 29, 2015 restaurant item	Dec. 30, 2014 restaurant item
Description of Business
Number of states in which restaurants operate | item	49	49
Number of countries in which restaurants operate | item	4	4
Minimum
Description of Business
Threshold percentage of ownership for consolidated subsidiaries	50.00%	50.00%
Company-owned
Description of Business
Number of restaurants	401	372
Company-owned | Wholly-owned
Description of Business
Number of restaurants	385	356
Company-owned | Majority-owned
Description of Business
Number of restaurants	16	16
Franchise
Description of Business
Number of restaurants	82	79

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.

+ References

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+ Details

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- Definition

The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

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- Definition

The number of countries in which the entity operates as of balance sheet date.

+ References

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- Definition

Represents the number of restaurants.

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- Definition

The number of states the entity operates in as of the balance sheet date.

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