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Introduction and Basis of Reporting - (Narrative) (Details) | 12 Months Ended
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Dec. 28, 2022 restaurant state territory country
Franchisor Disclosure [Line Items] |
Number of restaurants | 1,656
Number of states in which entity operates | state | 50
Number of territories in which entity operates | territory | 2
Number of foreign countries in which entity operates | country | 12
Geographic Concentration Risk | Geographic Area | California |
Franchisor Disclosure [Line Items] |
Percentage of restaurants operated by geographic region | 23.00%
Geographic Concentration Risk | Geographic Area | Texas |
Franchisor Disclosure [Line Items] |
Percentage of restaurants operated by geographic region | 13.00%
Geographic Concentration Risk | Geographic Area | Florida |
Franchisor Disclosure [Line Items] |
Percentage of restaurants operated by geographic region | 8.00%
Denny's Brand |
Franchisor Disclosure [Line Items] |
Number of restaurants | 1,602
Keke's |
Franchisor Disclosure [Line Items] |
Number of restaurants | 54
Franchise |
Franchisor Disclosure [Line Items] |
Number of restaurants | 1,582
Franchise | Denny's Brand |
Franchisor Disclosure [Line Items] |
Number of restaurants | 1,536
Franchise | Keke's |
Franchisor Disclosure [Line Items] |
Number of restaurants | 46
Company Restaurants |
Franchisor Disclosure [Line Items] |
Number of restaurants | 74
Company Restaurants | Denny's Brand |
Franchisor Disclosure [Line Items] |
Number of restaurants | 66
Company Restaurants | Keke's |
Franchisor Disclosure [Line Items] |
Number of restaurants | 8

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