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Description of Business and Summary of Significant Accounting Policies (Details) $ / shares in Units, shares in Thousands, $ in Thousands | 12 Months Ended
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Dec. 31, 2023 USD ($) segment restaurant state province entree marketingFund $ / shares shares | Dec. 25, 2022 USD ($) $ / shares shares | Dec. 26, 2021 USD ($) $ / shares shares
Franchisor Disclosure [Line Items] |  |  |
Number of operating segments | segment | 1 |  |
Number of reportable segments | segment | 1 |  |
Total revenues | $ 1,303,046 | $ 1,265,534 | $ 1,161,637
Unearned revenue | 36,067 | 46,944 |
Gift card breakage | 9,874 | 13,807 | 5,022
Net loss | $ (21,228) | $ (78,883) | $ (50,443)
Basic (in dollars per share) | $ / shares | $ (1.34) | $ (4.98) | $ (3.22)
Revenue Recognition |  |  |
Number of entrees to be purchased for each free entree | entree | 9 |  |
Required percentage of revenues contributed to national media funds | 3.00% |  |
Number of marketing and national media funds to which the entity and franchisees must contribute a minimum percentage of revenue | marketingFund | 2 |  |
Term of franchise rights | 20 years |  |
Additional term of franchise rights | 10 years |  |
Cash and Cash Equivalents |  |  |
Letters of credit outstanding, amount | $ 7,700 |  |
Accounts Receivable |  |  |
Gift cards in transit in accounts receivable | 9,700 | $ 11,600 |
Third party delivery receivable | 2,600 | 2,300 |
Inventory |  |  |
Food and beverage inventories | 9,400 | 10,100 |
Supplies inventories | $ 17,400 | 16,300 |
Leases |  |  |
Leases, term extension period | 5 years |  |
Leases, total term | 20 years |  |
Advertising |  |  |
Required percentage of revenues contributed to national media funds | 3.00% |  |
Number of marketing and national media funds to which the entity and franchisees must contribute a minimum percentage of revenue | marketingFund | 2 |  |
Marketing and advertising expense | $ 21,600 | $ 35,700 | $ 34,300
Loss per share: |  |  |
Basic weighted average shares outstanding (in shares) | shares | 15,835 | 15,840 | 15,660
Dilutive effect of stock options and awards (in shares) | shares | 0 | 0 | 0
Diluted weighted average shares outstanding (in shares) | shares | 15,835 | 15,840 | 15,660
Awards excluded due to anti-dilutive effect on diluted earnings per share (in shares) | shares | 1,409 | 1,481 | 875
Adjustments |  |  |
Franchisor Disclosure [Line Items] |  |  |
Total revenues |  | $ (1,083) | $ (441)
Unearned revenue |  | 3,586 |
Gift card breakage |  | (954) | (351)
Net loss |  | $ (1,083) | $ (441)
Basic (in dollars per share) | $ / shares |  | $ (0.07) | $ (0.03)
Liquor licenses and other |  |  |
Goodwill and intangible assets, net |  |  |
Impairment of indefinite-lived intangible assets | $ 200 | $ 500 | $ 500
Minimum |  |  |
Revenue Recognition |  |  |
Royalties as percentage of franchised adjusted gross sales | 4.00% |  |
Cash and Cash Equivalents |  |  |
Period for conversion of amounts receivable from credit card issuers into cash | 2 days |  |
Leases |  |  |
Remaining lease term | 1 year |  |
Minimum | Buildings |  |  |
Property, Plant and Equipment |  |  |
Estimated useful life | 5 years |  |
Minimum | Furniture, fixtures, and equipment |  |  |
Property, Plant and Equipment |  |  |
Estimated useful life | 5 years |  |
Minimum | Computer equipment |  |  |
Property, Plant and Equipment |  |  |
Estimated useful life | 2 years |  |
Maximum |  |  |
Revenue Recognition |  |  |
Royalties as percentage of franchised adjusted gross sales | 5.00% |  |
Cash and Cash Equivalents |  |  |
Period for conversion of amounts receivable from credit card issuers into cash | 4 days |  |
Leases |  |  |
Remaining lease term | 15 years |  |
Maximum | Buildings |  |  |
Property, Plant and Equipment |  |  |
Estimated useful life | 20 years |  |
Maximum | Leasehold improvements |  |  |
Property, Plant and Equipment |  |  |
Estimated useful life | 20 years |  |
Maximum | Furniture, fixtures, and equipment |  |  |
Property, Plant and Equipment |  |  |
Estimated useful life | 20 years |  |
Maximum | Computer equipment |  |  |
Property, Plant and Equipment |  |  |
Estimated useful life | 5 years |  |
Maximum | Liquor licenses and other |  |  |
Goodwill and intangible assets, net |  |  |
Amortization period of non-transferable liquor licenses | 20 years |  |
Company-owned operated restaurants |  |  |
Franchisor Disclosure [Line Items] |  |  |
Number of restaurants | restaurant | 415 |  |
Number of states in which restaurants are located | state | 39 |  |
Franchised restaurants |  |  |
Franchisor Disclosure [Line Items] |  |  |
Number of restaurants | restaurant | 91 |  |
Number of states in which restaurants are located | state | 14 |  |
Number of Canadian provinces in which restaurants are located | province | 1 |  |

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