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Revenue Disaggregation of Revenue (Details) - USD ($) | 4 Months Ended
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Jan. 23, 2022 | Jan. 17, 2021
Disaggregation of Revenue [Line Items] |  |
Initial franchise fee | $ 50,000 |
Royalty and marketing fee, percent of gross sales | 5.00% |
Revenues | $ 344,711,000 | $ 338,541,000
Company Restaurant Sales |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 120,056,000 | 114,278,000
Franchise Rental Revenues |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 103,099,000 | 103,749,000
Franchise Royalties |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 57,648,000 | 57,343,000
Marketing Fees |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 55,801,000 | 55,776,000
Technology and Sourcing Fees |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 5,000,000 | 5,090,000
Franchise Fees and Other Services |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | $ 3,107,000 | $ 2,305,000

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