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Introduction and Basis of Reporting (Schedule of Change in Restaurants Counts) (Details) - restaurant | 12 Months Ended
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Dec. 25, 2019 | Dec. 26, 2018 | Dec. 27, 2017
Change in Restaurants Counts [Roll Forward] |  |  |
Number of restaurants, beginning of period | 1,709 | 1,735 |
Number of restaurants, end of period | 1,703 | 1,709 | 1,735
Company-owned restaurants |  |  |
Change in Restaurants Counts [Roll Forward] |  |  |
Number of restaurants, beginning of period | 173 | 178 | 169
Units opened | 0 | 1 | 3
Units acquired from franchisees | 0 | 6 | 10
Units sold to franchisees | (105) | (8) | (4)
Units closed | 0 | (4) | 0
Number of restaurants, end of period | 68 | 173 | 178
Franchise |  |  |
Change in Restaurants Counts [Roll Forward] |  |  |
Number of restaurants, beginning of period | 1,536 | 1,557 | 1,564
Units opened | 30 | 29 | 36
Units purchased from Company | 105 | 8 | 4
Units acquired by Company | 0 | (6) | (10)
Units closed | (36) | (52) | (37)
Number of restaurants, end of period | 1,635 | 1,536 | 1,557

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- Definition Number Of Restaurants, Units Acquired From Franchisees + References No definition available. + Details
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- Definition Number Of Restaurants, Units Acquired by Company + References No definition available. + Details
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- Definition Number Of Restaurants, Units Closed + References No definition available. + Details
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- Definition Number Of Restaurants, Units Opened + References No definition available. + Details
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- Definition Number Of Restaurants, Units Sold to Franchisees + References No definition available. + Details
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- Definition Represents the number of restaurants. + References No definition available. + Details
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- Details
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- Details
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