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Revenues - Schedule of Components of the Change in Deferred Franchise Revenue (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 25, 2024	Dec. 27, 2023
Movement In Deferred Revenue Roll Forward
Balance, December 27, 2023	$ 19,150
Fees received from franchisees	522
Revenue recognized	(2,345)
Balance, September 25, 2024	17,327	$ 19,150
Less current portion included in other current liabilities	1,946
Deferred franchise revenue included in other noncurrent liabilities	$ 15,381
Deferred revenue recognized		$ 2,100

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