Revenue Recognition - Summary of Disaggregation of Revenues (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 28, 2026	Jun. 29, 2025	Jun. 28, 2026	Jun. 29, 2025
Disaggregation of Revenue [Line Items]
Total net revenues	$ 330,995	$ 379,767	$ 698,029	$ 754,951
Company Shops and Fresh Delivery
Disaggregation of Revenue [Line Items]
Total net revenues	289,430	362,194	635,618	717,872
Mix and equipment revenue from franchisees
Disaggregation of Revenue [Line Items]
Total net revenues	26,244	9,183	37,494	19,984
Franchise royalties and other
Disaggregation of Revenue [Line Items]
Total net revenues	$ 15,321	$ 8,390	$ 24,917	$ 17,095

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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- Definition

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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