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Acquisition of Keke's Breakfast Cafe - Narrative (Details) $ in Thousands		12 Months Ended
	Jul. 20, 2022 USD ($) restaurant	Dec. 27, 2023 restaurant	Dec. 28, 2022 USD ($)
Business Acquisition [Line Items]
Number of restaurants		1,631
Franchise agreements
Business Acquisition [Line Items]
Weighted average useful life		14 years
Company Restaurants
Business Acquisition [Line Items]
Number of restaurants		73
Keke's
Business Acquisition [Line Items]
Total purchase price \| $	$ 82,500
Acquisition, transaction costs \| $			$ 600
Keke's \| Franchise agreements
Business Acquisition [Line Items]
Weighted average useful life	15 years
Keke's \| Franchised Location
Business Acquisition [Line Items]
Number of restaurants	44
Keke's \| Company Restaurants
Business Acquisition [Line Items]
Number of restaurants	8