System Optimization Gains, Net Summary of Disposition Activity (Details) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2024 USD ($) number_of_restaurants	Jul. 02, 2023 USD ($) number_of_restaurants	Jun. 30, 2024 USD ($)	Jul. 02, 2023 USD ($)
System optimization gains, net
Company-operated restaurant ownership percentage	5.00%		5.00%
Proceeds from sales of restaurants			$ 601	$ 280
System optimization gains, net	$ 280	$ (6)	153	(1)
Sale of franchise-operated restaurants to franchisees
System optimization gains, net
Number of restaurants sold to franchisees \| number_of_restaurants	14	88
Sale or Purchase of company-operated restaurants to franchisees
System optimization gains, net
Number of restaurants sold to franchisees \| number_of_restaurants	0	0
Restaurants acquired from franchisees \| number_of_restaurants	0	0
Sale of Company-Operated Restaurants to Franchisees [Member]
System optimization gains, net
Post closing adjustments on sales of restaurants	$ 254	$ 0	254	0
System optimization gains, net	26	$ (6)	(101)	(1)
Sale of other assets
System optimization gains, net
Proceeds from sales of restaurants	$ 575		$ 601	$ 280

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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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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The number of franchises purchased 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
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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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Approximate Company-operated restaurant ownership percentage

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