System Optimization Gains, Net Summary of Disposition Activity (Details) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 29, 2025 USD ($) number_of_restaurants	Jun. 30, 2024 USD ($) number_of_restaurants	Jun. 29, 2025 USD ($) number_of_restaurants	Jun. 30, 2024 USD ($) number_of_restaurants
System Optimization Gains, Net
Company-operated restaurant ownership percentage	5.00%		5.00%
Proceeds from sales of restaurants			$ 1,355	$ 601
System optimization losses, net	$ 387	$ 280	$ 297	$ 153
Sale of franchise-operated restaurants to franchisees
System Optimization Gains, Net
Number of restaurants sold to franchisees \| number_of_restaurants			1	14
Sale of Company-Operated Restaurants to Franchisees [Member]
System Optimization Gains, Net
Number of restaurants sold to franchisees \| number_of_restaurants	0	0	2	0
Proceeds from sales of restaurants	$ 0	$ 0	$ 55	$ 0
Net Assets Sold	0	0	169	0
Other gain (loss) on disposition, net	0	0	(25)	0
Gain (Loss) on Disposition of Assets Before Post Closing Purchase Price Adjustments	0	0	(139)	0
System optimization losses, net	(10)	254	(149)	254
Post closing adjustments on sales of restaurants	(10)	254	(10)	254
Sale of other assets
System Optimization Gains, Net
Proceeds from sales of restaurants	1,300	575	1,300	601
System optimization losses, net	$ 397	$ 26	$ 446	$ (101)

Amount of gain (loss) on sale or disposal of property, plant and equipment assets, including oil and gas property and timber property.

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The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale.

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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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The number of franchises sold during the period when there are significant changes in franchisor-owned outlets or franchised outlets during the period.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Approximate Company-operated restaurant ownership percentage

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Gain (Loss) on Disposition of Assets Before Post Closing Purchase Price Adjustments

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Net Assets Sold

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Post Closing Adjustments on Sales of Restaurants

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