Government Assistance - Additional Information (Details) - USD ($)	3 Months Ended		6 Months Ended		12 Months Ended
	Jul. 04, 2026	Jun. 28, 2025	Jul. 04, 2026	Jun. 28, 2025	Dec. 30, 2023	Jan. 03, 2026
Government Assistance [Line Items]
Food subsidies	$ 14,600,000	$ 14,500,000	$ 26,700,000	$ 26,600,000
Reimbursements offsetting cost of services	11,400,000	$ 10,300,000	23,000,000	$ 24,800,000
Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherLiabilitiesCurrent
Government Assistance [Line Items]
Government support, deferred liability	2,400,000		2,400,000			$ 8,500,000
Location, Statement of Financial Position, Balance [Axis]: us-gaap:PrepaidExpenseAndOtherAssetsCurrent
Government Assistance [Line Items]
Grants receivable	0		0			300,000
COVID-19 Related Stimulus \| Employee Retention Credit
Government Assistance [Line Items]
Reimbursements of cash tax refunds					$ 62,000,000
Reimbursements of interest income					$ 2,300,000
COVID-19 Related Stimulus \| Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherAssetsNoncurrent
Government Assistance [Line Items]
Employee retention credits receivable, non-current	3,400,000		3,400,000			3,400,000
COVID-19 Related Stimulus \| Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherLiabilitiesNoncurrent
Government Assistance [Line Items]
Deferred employee retention credits noncurrent	$ 12,300,000		$ 12,300,000			$ 12,300,000