Segment Information - Schedule of Segment Reporting Information, by Segment (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Sep. 26, 2026 |
Jun. 27, 2026 |
Mar. 28, 2026 |
Sep. 27, 2025 |
Jun. 28, 2025 |
Mar. 29, 2025 |
Sep. 26, 2026 |
Sep. 27, 2025 |
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| Segment Reporting [Line Items] | ||||||||||
| Total revenue | $ 185,131 | $ 175,736 | $ 554,420 | $ 521,159 | ||||||
| Cost of sales: | ||||||||||
| Total cost of sales | [1] | 27,209 | 24,342 | 76,993 | 71,582 | |||||
| Advertising expenses | 67,748 | 65,541 | 203,476 | 196,869 | ||||||
| Selling, general & administrative: | ||||||||||
| Stock-based compensation expense | 12,800 | 17,600 | ||||||||
| Total selling, general and administrative | 30,474 | 30,659 | 95,159 | 95,036 | ||||||
| Depreciation and amortization | 9,005 | 6,233 | 23,058 | 18,681 | ||||||
| Loss on disposal of assets | 32 | 6,535 | ||||||||
| Interest expense, net | 10,576 | 9,201 | 30,153 | 26,580 | ||||||
| Investment (income) expense | 94 | 128 | 333 | (93,711) | ||||||
| Income tax expense | 10,921 | 11,154 | 34,973 | 52,081 | ||||||
| Net income | 29,104 | $ 31,288 | $ 29,883 | 28,478 | $ 26,763 | $ 92,265 | 90,275 | 147,506 | ||
| Restaurants Segment | ||||||||||
| Segment Reporting [Line Items] | ||||||||||
| Total revenue | 185,131 | 175,736 | 554,420 | 521,159 | ||||||
| Cost of sales: | ||||||||||
| Food, beverage and packaging costs | 12,838 | 11,782 | 36,672 | 34,960 | ||||||
| Labor | 8,606 | 7,502 | 24,259 | 22,096 | ||||||
| Other operating costs | 6,755 | 5,828 | 18,804 | 16,840 | ||||||
| Vendor rebates | (990) | (770) | (2,742) | (2,314) | ||||||
| Total cost of sales | 27,209 | 24,342 | 76,993 | 71,582 | ||||||
| Advertising expenses | 67,748 | 65,541 | 203,476 | 196,869 | ||||||
| Selling, general & administrative: | ||||||||||
| Transaction costs | 0 | 0 | 0 | 497 | ||||||
| System implementation costs | 0 | 2,063 | 1,060 | 4,909 | ||||||
| Amortization of capitalized system implementation costs | 311 | 457 | 1,245 | 457 | ||||||
| Restructuring charges | 0 | 0 | 2,467 | 0 | ||||||
| Stock-based compensation expense | 4,082 | 6,072 | 12,798 | 17,601 | ||||||
| Other segment expense | 26,081 | 22,067 | 77,589 | 71,572 | ||||||
| Total selling, general and administrative | 30,474 | 30,659 | 95,159 | 95,036 | ||||||
| Depreciation and amortization | 9,005 | 6,233 | 23,058 | 18,681 | ||||||
| Loss on disposal of assets | 0 | 0 | 0 | 6,535 | ||||||
| Interest expense, net | 10,576 | 9,201 | 30,153 | 26,580 | ||||||
| Investment (income) expense | 94 | 128 | 333 | (93,711) | ||||||
| Income tax expense | 10,921 | 11,154 | 34,973 | 52,081 | ||||||
| Net income | 29,104 | 28,478 | 90,275 | 147,506 | ||||||
| Royalty revenue, franchise fees and other | ||||||||||
| Segment Reporting [Line Items] | ||||||||||
| Total revenue | 86,301 | 81,187 | 260,615 | 239,851 | ||||||
| Royalty revenue, franchise fees and other | Restaurants Segment | ||||||||||
| Segment Reporting [Line Items] | ||||||||||
| Total revenue | 86,301 | 81,187 | 260,615 | 239,851 | ||||||
| Advertising fees | ||||||||||
| Segment Reporting [Line Items] | ||||||||||
| Total revenue | 64,050 | 62,018 | 191,855 | 186,252 | ||||||
| Advertising fees | Restaurants Segment | ||||||||||
| Segment Reporting [Line Items] | ||||||||||
| Total revenue | 64,050 | 62,018 | 191,855 | 186,252 | ||||||
| Company-owned restaurant sales | ||||||||||
| Segment Reporting [Line Items] | ||||||||||
| Total revenue | 34,780 | 32,531 | 101,950 | 95,056 | ||||||
| Company-owned restaurant sales | Restaurants Segment | ||||||||||
| Segment Reporting [Line Items] | ||||||||||
| Total revenue | $ 34,780 | $ 32,531 | $ 101,950 | $ 95,056 | ||||||
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| X | ||||||||||
- Definition Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Cost of labor directly related to good produced and service rendered. Includes, but is not limited to, payroll cost and equity-based compensation. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Cost of material used for good produced and service rendered. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Cost of product sold and service rendered, excluding depreciation, depletion, and amortization. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- References No definition available.
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| X | ||||||||||
- Definition The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of gain (loss) on sale or disposal of assets, including but not limited to property plant and equipment, intangible assets and equity in securities of subsidiaries or equity method investee. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of interest income (expense) classified as nonoperating. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The aggregate amount of income or expense from ancillary business-related activities (that is to say, excluding major activities considered part of the normal operations of the business). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition The total amount of other operating cost and expense items that are associated with the entity's normal revenue producing operation. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount, after cash payment, of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of other expense (income) and loss (gain) calculated as difference between segment revenue and separately disclosed expense category to arrive at segment profit (loss). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- References No definition available.
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- Definition Amortization Of Capitalized System Implementation Costs No definition available.
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- Definition System Implementation Costs No definition available.
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- Definition Transaction Costs No definition available.
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- Definition Vendor Rebates No definition available.
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