Significant Accounting Policies (Details) $ in Thousands	12 Months Ended
	Dec. 29, 2024 USD ($) restaurant	Dec. 31, 2023 USD ($) restaurant	Dec. 25, 2022 USD ($)
Significant Accounting Policies [Line Items]
Percentage of domestic restaurants franchised	85.00%
Franchisee royalty fee percentage for new and existing franchised restaurants	5.00%
Term of franchise agreement	10 years
Interest income on franchisee loans	$ 1,100	$ 1,100	$ 1,300
Depreciation expense	$ 59,600	54,300	45,600
Deferred costs, maximum amortization period	5 years
Deferred costs	$ 4,400	4,100	$ 4,100
Unamortized systems development costs	10,300	9,900
Employee insurance retention limit per occurrence	800
Insurance reserve	65,700	56,800
Insurance reserves recorded in Accrued expenses and other current liabilities	32,004	27,240
Insurance reserves recorded in Other long-term liabilities	33,677	29,512
Insurance receivable	$ 45,200	$ 34,500
Length of fiscal year	364 days	371 days	364 days
UK Reporting Unit
Significant Accounting Policies [Line Items]
Goodwill impairment charges	$ 0
Corporate joint venture
Significant Accounting Policies [Line Items]
Number of restaurants | restaurant	98	98
Prepaid expenses and other current assets
Significant Accounting Policies [Line Items]
Insurance receivable	$ 22,300	$ 16,800
Other assets
Significant Accounting Policies [Line Items]
Insurance receivable	$ 22,900	$ 17,800
Technology and communication
Significant Accounting Policies [Line Items]
Estimated useful lives	5 years
North America commissaries
Significant Accounting Policies [Line Items]
Accounts receivable threshold past due	30 days
Minimum
Significant Accounting Policies [Line Items]
Amortization term of equipment incentives	3 years
Minimum | Restaurant, commissary and other equipment
Significant Accounting Policies [Line Items]
Estimated useful lives	5 years
Minimum | Buildings and improvements
Significant Accounting Policies [Line Items]
Estimated useful lives	20 years
Minimum | Leasehold improvements
Significant Accounting Policies [Line Items]
Estimated useful lives	5 years
Maximum
Significant Accounting Policies [Line Items]
Amortization term of equipment incentives	5 years
Maximum | Restaurant, commissary and other equipment
Significant Accounting Policies [Line Items]
Estimated useful lives	10 years
Maximum | Buildings and improvements
Significant Accounting Policies [Line Items]
Estimated useful lives	40 years
Maximum | Leasehold improvements
Significant Accounting Policies [Line Items]
Estimated useful lives	10 years
Papa Dough Rewards
Significant Accounting Policies [Line Items]
Expiration window of rewards program	6 months
Customer inactivity period that triggers expiration of rewards program	1 year
Area development fees
Significant Accounting Policies [Line Items]
Term of franchise agreement	10 years