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Revenues - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 24, 2025	Sep. 25, 2024	Sep. 24, 2025	Sep. 25, 2024	Dec. 25, 2024
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue recognized	$ 113,244	$ 111,759	$ 342,538	$ 337,660
Contract with customer	16,137		16,137		$ 24,433
Liability balance	1,970		1,970
Deferred revenue recognized					2,100
Gift Card Redemption
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Liability balance	6,300		6,300		8,400
Deferred revenue recognized			500
Franchise Equipment Programs
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue recognized	100	$ 100	1,000	$ 600
Inventory related to franchise equipment programs	500		500		200
Contract with customer	$ 200		$ 200		$ 400

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