Company-owned Store Transactions - Additional Information (Detail) $ in Millions	3 Months Ended	12 Months Ended
	Mar. 26, 2023 USD ($)	Jan. 01, 2023 USD ($) Store
Value of goodwill purchased		$ 4.3
Pre-tax gain (loss) on sale of assets, net of goodwill reduction, charged to general and administrative expenses		$ 21.2
US Franchisee [Member]
Number of stores purchased | Store		23
Payments for purchase of franchisees		$ 6.8
Number of company owned stores sold | Store		114
Receipts from sale of franchisees	$ 0.1	$ 41.1
Value of goodwill purchased		1.1
Reduction of goodwill related to sale of stores	$ 0.1
Value of intangibles purchased		4.0
Value of leasehold and other assets purchased		$ 1.7