Franchise Rights Acquired, Goodwill and Other Intangible Assets - Schedule of Carrying Values of Finite-lived Intangible Assets (Detail) - USD ($) $ in Thousands	Mar. 29, 2025	Dec. 28, 2024
Finite-Lived Intangible Assets
Gross Carrying Amount	$ 255,591	$ 289,371
Accumulated Amortization	211,237	242,236
Capitalized software and website development costs
Finite-Lived Intangible Assets
Gross Carrying Amount	221,964	255,822
Accumulated Amortization	186,833	218,103
Trademarks
Finite-Lived Intangible Assets
Gross Carrying Amount	12,192	12,192
Accumulated Amortization	12,116	12,103
Other
Finite-Lived Intangible Assets
Gross Carrying Amount	13,558	13,537
Accumulated Amortization	6,862	6,714
Trademarks and other intangible assets
Finite-Lived Intangible Assets
Gross Carrying Amount	247,714	281,551
Accumulated Amortization	205,811	236,920
Franchise rights acquired
Finite-Lived Intangible Assets
Gross Carrying Amount	7,877	7,820
Accumulated Amortization	$ 5,426	$ 5,316