Segment Information - Financial Information by Operating Segment (Detail) - USD ($) $ in Thousands		3 Months Ended
		Mar. 23, 2025	Mar. 24, 2024
Segment Reporting Information [Line Items]
Revenues		$ 1,112,056	$ 1,084,647
Segment Income		268,417	260,016
Capital Expenditures	[1]	6,486	5,372
U.S. Stores [Member]
Segment Reporting Information [Line Items]
Segment Income		131,818	136,108
Capital Expenditures	[1]	976	2,597
U.S. Stores [Member] | U.S. Company-owned stores [Member]
Segment Reporting Information [Line Items]
Revenues		91,598	92,649
U.S. Stores [Member] | U.S. franchise royalties and fees [Member]
Segment Reporting Information [Line Items]
Revenues		151,000	150,518
U.S. Stores [Member] | U.S. franchise advertising [Member]
Segment Reporting Information [Line Items]
Revenues		123,975	110,300
Supply Chain [Member]
Segment Reporting Information [Line Items]
Segment Income		72,820	64,576
Capital Expenditures	[1]	5,510	2,775
Supply Chain [Member] | Supply Chain [Member]
Segment Reporting Information [Line Items]
Revenues		669,924	659,214
International Franchise [Member]
Segment Reporting Information [Line Items]
Segment Income		63,779	59,332
Capital Expenditures	[1]	0	0
International Franchise [Member] | International franchise royalties and fees [Member]
Segment Reporting Information [Line Items]
Revenues		75,559	71,966
Operating Segments [Member]
Segment Reporting Information [Line Items]
Revenues		1,112,056	1,084,647
Operating Segments [Member] | U.S. Company-owned stores [Member]
Segment Reporting Information [Line Items]
Revenues		91,598	92,649
Operating Segments [Member] | U.S. franchise royalties and fees [Member]
Segment Reporting Information [Line Items]
Revenues		151,000	150,518
Operating Segments [Member] | Supply Chain [Member]
Segment Reporting Information [Line Items]
Revenues		697,910	686,642
Operating Segments [Member] | Supply chain - intersegment revenues [Member]
Segment Reporting Information [Line Items]
Revenues		(27,986)	(27,428)
Operating Segments [Member] | International franchise royalties and fees [Member]
Segment Reporting Information [Line Items]
Revenues		75,559	71,966
Operating Segments [Member] | U.S. franchise advertising [Member]
Segment Reporting Information [Line Items]
Revenues		123,975	110,300
Segment Income		123,975	110,300
Operating Segments [Member] | Cost of sales - food [Member]
Segment Reporting Information [Line Items]
Segment Income		498,827	496,579
Operating Segments [Member] | Cost of sales - labor [Member]
Segment Reporting Information [Line Items]
Segment Income		91,063	91,892
Operating Segments [Member] | Cost of sales - other [Member]
Segment Reporting Information [Line Items]
Segment Income	[2]	67,099	63,202
Operating Segments [Member] | General and administrative [Member]
Segment Reporting Information [Line Items]
Segment Income	[3]	62,675	62,658
Operating Segments [Member] | U.S. Stores [Member]
Segment Reporting Information [Line Items]
Revenues		366,573	353,467
Operating Segments [Member] | U.S. Stores [Member] | U.S. Company-owned stores [Member]
Segment Reporting Information [Line Items]
Revenues		91,598	92,649
Operating Segments [Member] | U.S. Stores [Member] | U.S. franchise royalties and fees [Member]
Segment Reporting Information [Line Items]
Revenues		151,000	150,518
Operating Segments [Member] | U.S. Stores [Member] | Supply Chain [Member]
Segment Reporting Information [Line Items]
Revenues		0	0
Operating Segments [Member] | U.S. Stores [Member] | Supply chain - intersegment revenues [Member]
Segment Reporting Information [Line Items]
Revenues		0	0
Operating Segments [Member] | U.S. Stores [Member] | International franchise royalties and fees [Member]
Segment Reporting Information [Line Items]
Revenues		0	0
Operating Segments [Member] | U.S. Stores [Member] | U.S. franchise advertising [Member]
Segment Reporting Information [Line Items]
Revenues		123,975	110,300
Segment Income		123,975	110,300
Operating Segments [Member] | U.S. Stores [Member] | Cost of sales - food [Member]
Segment Reporting Information [Line Items]
Segment Income		27,211	26,642
Operating Segments [Member] | U.S. Stores [Member] | Cost of sales - labor [Member]
Segment Reporting Information [Line Items]
Segment Income		29,181	29,674
Operating Segments [Member] | U.S. Stores [Member] | Cost of sales - other [Member]
Segment Reporting Information [Line Items]
Segment Income	[2]	17,752	17,186
Operating Segments [Member] | U.S. Stores [Member] | General and administrative [Member]
Segment Reporting Information [Line Items]
Segment Income	[3]	36,636	33,557
Operating Segments [Member] | Supply Chain [Member]
Segment Reporting Information [Line Items]
Revenues		669,924	659,214
Operating Segments [Member] | Supply Chain [Member] | U.S. Company-owned stores [Member]
Segment Reporting Information [Line Items]
Revenues		0	0
Operating Segments [Member] | Supply Chain [Member] | U.S. franchise royalties and fees [Member]
Segment Reporting Information [Line Items]
Revenues		0	0
Operating Segments [Member] | Supply Chain [Member] | Supply Chain [Member]
Segment Reporting Information [Line Items]
Revenues		697,910	686,642
Operating Segments [Member] | Supply Chain [Member] | Supply chain - intersegment revenues [Member]
Segment Reporting Information [Line Items]
Revenues		(27,986)	(27,428)
Operating Segments [Member] | Supply Chain [Member] | International franchise royalties and fees [Member]
Segment Reporting Information [Line Items]
Revenues		0	0
Operating Segments [Member] | Supply Chain [Member] | U.S. franchise advertising [Member]
Segment Reporting Information [Line Items]
Revenues		0	0
Segment Income		0	0
Operating Segments [Member] | Supply Chain [Member] | Cost of sales - food [Member]
Segment Reporting Information [Line Items]
Segment Income		471,616	469,937
Operating Segments [Member] | Supply Chain [Member] | Cost of sales - labor [Member]
Segment Reporting Information [Line Items]
Segment Income		61,882	62,218
Operating Segments [Member] | Supply Chain [Member] | Cost of sales - other [Member]
Segment Reporting Information [Line Items]
Segment Income	[2]	49,347	46,016
Operating Segments [Member] | Supply Chain [Member] | General and administrative [Member]
Segment Reporting Information [Line Items]
Segment Income	[3]	14,259	16,467
Operating Segments [Member] | International Franchise [Member]
Segment Reporting Information [Line Items]
Revenues		75,559	71,966
Operating Segments [Member] | International Franchise [Member] | U.S. Company-owned stores [Member]
Segment Reporting Information [Line Items]
Revenues		0	0
Operating Segments [Member] | International Franchise [Member] | U.S. franchise royalties and fees [Member]
Segment Reporting Information [Line Items]
Revenues		0	0
Operating Segments [Member] | International Franchise [Member] | Supply Chain [Member]
Segment Reporting Information [Line Items]
Revenues		0	0
Operating Segments [Member] | International Franchise [Member] | Supply chain - intersegment revenues [Member]
Segment Reporting Information [Line Items]
Revenues		0	0
Operating Segments [Member] | International Franchise [Member] | International franchise royalties and fees [Member]
Segment Reporting Information [Line Items]
Revenues		75,559	71,966
Operating Segments [Member] | International Franchise [Member] | U.S. franchise advertising [Member]
Segment Reporting Information [Line Items]
Revenues		0	0
Segment Income		0	0
Operating Segments [Member] | International Franchise [Member] | Cost of sales - food [Member]
Segment Reporting Information [Line Items]
Segment Income		0	0
Operating Segments [Member] | International Franchise [Member] | Cost of sales - labor [Member]
Segment Reporting Information [Line Items]
Segment Income		0	0
Operating Segments [Member] | International Franchise [Member] | Cost of sales - other [Member]
Segment Reporting Information [Line Items]
Segment Income	[2]	0	0
Operating Segments [Member] | International Franchise [Member] | General and administrative [Member]
Segment Reporting Information [Line Items]
Segment Income	[3]	$ 11,780	$ 12,634

[1] (3)   The Company also had $8.7 million and $14.2 million of other capital expenditures not attributable to the reportable segments primarily representing capitalized software in the first quarters of 2025 and 2024, respectively.

[2] (1)   Cost of sales - other, includes delivery, occupancy costs (including rent, telephone and utilities) and insurance expense. Depreciation and amortization is not included in the measurement of Segment Income.

[3] (2)   General and administrative expense consists primarily of labor cost (including variable performance-based compensation expense), computer expenses, professional fees, travel and entertainment, rent, insurance and other. Depreciation and amortization, non-cash equity-based compensation expense and gains and losses from the sale of assets are not included in the measurement of Segment Income.