Franchise Rights Acquired, Goodwill and Other Intangible Assets - Change in Carrying Value of Goodwill (Detail) - USD ($)				9 Months Ended	12 Months Ended
	May 05, 2024	Mar. 30, 2024	May 07, 2023	Sep. 28, 2024	Dec. 30, 2023
Goodwill [Line Items]
Beginning balance				$ 243,441,000	$ 155,998,000
Goodwill acquired during the period					89,742,000
Goodwill impairment	$ 0	$ 0	$ 0		(3,586,000)
Effect of exchange rate changes				(687,000)	1,287,000
Ending balance				$ 242,754,000	$ 243,441,000