Franchise Rights Acquired, Goodwill and Other Intangible Assets - Schedule of Carrying Values of Finite-lived Intangible Assets (Detail) - USD ($) $ in Thousands	Sep. 28, 2024	Dec. 30, 2023
Finite-Lived Intangible Assets
Gross Carrying Amount	$ 287,773	$ 285,618
Accumulated Amortization	235,897	219,695
Capitalized software and website development costs
Finite-Lived Intangible Assets
Gross Carrying Amount	253,653	251,410
Accumulated Amortization	211,387	195,696
Trademarks
Finite-Lived Intangible Assets
Gross Carrying Amount	12,192	12,188
Accumulated Amortization	12,088	12,024
Other
Finite-Lived Intangible Assets
Gross Carrying Amount	14,002	13,991
Accumulated Amortization	7,053	6,661
Trademarks and other intangible assets
Finite-Lived Intangible Assets
Gross Carrying Amount	279,847	277,589
Accumulated Amortization	230,528	214,381
Franchise rights acquired
Finite-Lived Intangible Assets
Gross Carrying Amount	7,926	8,029
Accumulated Amortization	$ 5,369	$ 5,314