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Introduction and Basis of Presentation (Details) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 25, 2013 restaurant | Sep. 26, 2012 restaurant | Sep. 25, 2013 restaurant | Sep. 26, 2012 restaurant
Entity and franchisee unit activity [Roll Forward] |  |  |  |
Units, end of period | 1,686 | 1,687 | 1,686 | 1,687
Company restaurants [Member] |  |  |  |
Entity and franchisee unit activity [Roll Forward] |  |  |  |
Units, beginning of period | 165 | 177 | 164 | 206
Units opened | 0 | 0 | 0 | 0
Units acquired from franchisees | 1 | 0 | 2 | 0
Units sold to franchisees | (2) | (5) | (2) | (28)
Units closed | 0 | (1) | 0 | (7)
Units, end of period | 164 | 171 | 164 | 171
Franchised and licensed restaurants [Member] |  |  |  |
Entity and franchisee unit activity [Roll Forward] |  |  |  |
Units, beginning of period | 1,525 | 1,507 | 1,524 | 1,479
Units opened | 9 | 12 | 27 | 27
Units purchased from Company | 2 | 5 | 2 | 28
Units acquired by Company | (1) | 0 | (2) | 0
Units closed | (13) | (8) | (29) | (18)
Units, end of period | 1,522 | 1,516 | 1,522 | 1,516

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- Details
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- Definition Represents number of units acquired by Company during the period. + References No definition available. + Details
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- Definition Represents number of units acquired from franchisees during the period. + References No definition available. + Details
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- Definition Represents number of units opened by an entity and franchisee during the period. + References No definition available. + Details
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- Definition Represents number of units franchisees purchased from the entity during the period. + References No definition available. + Details
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- Definition Represents the number of restaurants. + References No definition available. + Details
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