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Amount of gain (loss) from sale and disposal of integrated set of activities and assets capable of being conducted and managed for purpose of providing return in form of dividend, lower cost, or other economic benefit to investor, owner, member and participant.

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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.

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Represents the number of restaurants.

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The cash inflow associated with the amount received from the sale of a business segment or subsidiary or sale of an entity that is related to it but not strictly controlled during the period (for example, an unconsolidated subsidiary, affiliate, joint venture or equity method investment).

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The cash inflow from the sale of an investment interest in a joint venture that the reporting entity has not previously accounted for using consolidation or the equity method of accounting.

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Divestitures - Narrative (Details) $ in Millions				3 Months Ended	6 Months Ended
Divestitures - Narrative (Details) $ in Millions	Jun. 13, 2026 USD ($) restaurant	Feb. 18, 2026 USD ($)	Nov. 24, 2025 USD ($) restaurant	Mar. 29, 2026 USD ($)	Jun. 28, 2026 USD ($) lease restaurant	Jun. 29, 2025 restaurant
Corporate Joint Venture
Disposal Group, Including Discontinued Operations [Line Items]
Number of restaurants \| restaurant					13	98
Proceeds from sale of joint venture			$ 35.7
Corporate Joint Venture \| Minimum
Disposal Group, Including Discontinued Operations [Line Items]
Gain (loss) on sale					$ 1.0
Corporate Joint Venture \| Maximum
Disposal Group, Including Discontinued Operations [Line Items]
Gain (loss) on sale					$ 3.0
Retained Restaurants \| Corporate Joint Venture
Disposal Group, Including Discontinued Operations [Line Items]
Number of leases transferred \| lease					3
Asset, held-for-sale, current					$ 0.1
Disposal Group, Disposed of by Sale, Not Discontinued Operations \| Orlando Restaurants
Disposal Group, Including Discontinued Operations [Line Items]
Purchase price	$ 10.8
Disposal Group, Disposed of by Sale, Not Discontinued Operations \| Retained Restaurants \| Corporate Joint Venture
Disposal Group, Including Discontinued Operations [Line Items]
Gain (loss) on sale					1.0
Contingent receivable					$ 0.4
Disposal Group, Disposed of by Sale, Not Discontinued Operations \| Print and Promotions Business
Disposal Group, Including Discontinued Operations [Line Items]
Gain (loss) on sale				$ (0.3)
Proceeds from dispositions and refranchising, net of cash transferred		$ 3.5
Domestic Company-Owned Restaurants
Disposal Group, Including Discontinued Operations [Line Items]
Number of restaurants \| restaurant	28
Domestic Company-Owned Restaurants \| Corporate Joint Venture
Disposal Group, Including Discontinued Operations [Line Items]
Number of restaurants \| restaurant			85