Company-owned Store Transactions - Additional Information (Detail) - US Franchisee [Member] - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Mar. 23, 2025	Dec. 29, 2024
Business Acquisition [Line Items]
Receipts from sale of franchisees		$ 0.1
Reduction of goodwill related to sale of stores		$ 0.1
Value of intangibles purchased	$ 0.3
Value of leasehold and other assets purchased	0.1
Value of goodwill purchased	0.5
Value of corresponding liability	$ 0.9