System Optimization Losses, Net Summary of Disposition Activity (Details) $ in Thousands	3 Months Ended
Mar. 30, 2025 USD ($) number_of_restaurants	Mar. 31, 2024 USD ($) number_of_restaurants
System optimization losses, net
Company-operated restaurant ownership percentage	5.00%
Proceeds from sales of restaurants	$ 55	$ 26
System optimization losses, net	$ (90)	$ (127)
Sale of franchise-operated restaurants to franchisees
System optimization losses, net
Number of restaurants sold to franchisees \| number_of_restaurants	0	11
Sale of Company-Operated Restaurants to Franchisees [Member]
System optimization losses, net
Number of restaurants sold to franchisees \| number_of_restaurants	2	0
Proceeds from sales of restaurants	$ 55	$ 0
Net Assets Sold	169	0
Other gain (loss) on disposition, net	(25)	0
Gain (Loss) on Disposition of Assets Before Post Closing Purchase Price Adjustments	(139)	0
Sale of other assets
System optimization losses, net
Proceeds from sales of restaurants		26
System optimization losses, net	$ 49	$ (127)

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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-Topic 230
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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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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
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-Subparagraph (c)
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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 952
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
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-Subparagraph (a)
-Publisher FASB
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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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Other gain (loss) on disposition, net

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