Business and Summary of Significant Accounting Policies - Revenue Recognition and Franchise (Details) - restaurant	12 Months Ended
	Dec. 30, 2025	Dec. 31, 2024	Jan. 02, 2024
Franchisor Disclosure [Line Items]
Percent of gift cards expected to be unredeemed (percent)	15.00%
Gift card estimated redemption period	24 months
Number of restaurants closed	33	13	6
Franchise
Franchisor Disclosure [Line Items]
Number of restaurants	83	92	90
Number of restaurants opened during period		3
Number of restaurants closed	9	7	3
Number of company-owned restaurants acquired by franchisees		6