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Revenues - Schedule of Components of the Change in Deferred Franchise Revenue (Details) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 26, 2024 USD ($)	Dec. 27, 2023 USD ($)
Movement In Deferred Revenue Roll Forward
Balance, December 27, 2023	$ 19,150
Fees received from franchisees	459
Revenue recognized	(1,591)
Balance, June 26, 2024	18,018	$ 19,150
Less current portion included in other current liabilities	2,098
Deferred franchise revenue included in other noncurrent liabilities	$ 15,920
Deferred revenue recognized		$ 1,400

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