Revenue Contract Balances (Details) - USD ($) $ in Thousands	9 Months Ended
Sep. 28, 2025	Sep. 29, 2024	Dec. 29, 2024
Contract balances
Deferred franchise fees at beginning of period	$ 99,411	$ 100,805
Revenue recognized during the period	(6,865)	(8,873)
New deferrals due to cash received and other	6,971	8,822
Deferred franchise fees at end of period	99,517	$ 100,754
Deferred franchise fees, noncurrent	87,964		$ 88,387
Accounts and notes receivable, net \| Short-term Contract with Customer
Contract balances
Receivables, Net, Current	61,654		55,601
Advertising funds restricted assets \| Short-term Contract with Customer
Contract balances
Receivables, Net, Current	67,936		73,223
Accrued expenses and other current liabilities
Contract balances
Deferred franchise fees, current	11,553		11,024
Deferred franchise fees
Contract balances
Deferred franchise fees, noncurrent	$ 87,964		$ 88,387

Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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Amount of deferred revenue recognized for transactions arising during the current reporting period. Deferred revenue is a liability as of the balance sheet date related to a revenue producing activity for which revenue has not yet been recognized. Generally, an Entity records deferred revenue when it receives consideration from a customer before achieving certain criteria that must be met for revenue to be recognized in conformity with GAAP.

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The total amount due to the entity within one year of the balance sheet date (or one operating cycle, if longer) from outside sources, including trade accounts receivable, notes and loans receivable, as well as any other types of receivables, net of allowances established for the purpose of reducing such receivables to an amount that approximates their net realizable value.

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[Line Items] for Contract balances [Table]

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