Segment Information - Financial Information by Operating Segment (Detail) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 15, 2025	Jun. 16, 2024	Jun. 15, 2025	Jun. 16, 2024
Segment Reporting Information [Line Items]
Revenues		$ 1,145,144	$ 1,097,736	$ 2,257,200	$ 2,182,383
Segment Income		273,758	253,565	542,175	513,582
Capital Expenditures	[1]	11,059	11,890	17,545
U.S. Company-owned stores [Member]
Segment Reporting Information [Line Items]
Capital Expenditures	[1]				17,262
U.S. Stores [Member]
Segment Reporting Information [Line Items]
Revenues				747,491	718,263
Segment Income		133,983	129,482	265,801	265,590
Capital Expenditures	[1]	1,983	2,215	2,959	4,812
U.S. Stores [Member] | U.S. Company-owned stores [Member]
Segment Reporting Information [Line Items]
Revenues		92,456	92,264	184,054	184,913
U.S. Stores [Member] | U.S. franchise royalties and fees [Member]
Segment Reporting Information [Line Items]
Revenues		156,261	147,576	307,261	298,094
U.S. Stores [Member] | U.S. franchise advertising [Member]
Segment Reporting Information [Line Items]
Revenues		132,201	124,956	256,176	235,256
Supply Chain [Member]
Segment Reporting Information [Line Items]
Revenues				1,356,986	1,318,458
Segment Income		74,211	64,986	147,031	129,563
Capital Expenditures	[1]	9,076	9,642	14,586	12,417
Supply Chain [Member] | Supply Chain [Member]
Segment Reporting Information [Line Items]
Revenues		687,062	659,244	1,356,986	1,318,458
International Franchise [Member]
Segment Reporting Information [Line Items]
Revenues				152,723	145,662
Segment Income		65,564	59,097	129,343	118,429
Capital Expenditures	[1]	0	33	0	33
International Franchise [Member] | International franchise royalties and fees [Member]
Segment Reporting Information [Line Items]
Revenues		77,164	73,696	152,723	145,662
Operating Segments [Member]
Segment Reporting Information [Line Items]
Revenues		1,145,144	1,097,736
Operating Segments [Member] | U.S. Company-owned stores [Member]
Segment Reporting Information [Line Items]
Revenues		92,456	92,264	184,054	184,913
Operating Segments [Member] | U.S. franchise royalties and fees [Member]
Segment Reporting Information [Line Items]
Revenues		156,261	147,576	307,261	298,094
Operating Segments [Member] | Supply Chain [Member]
Segment Reporting Information [Line Items]
Revenues		714,658	686,464	1,412,567	1,373,390
Operating Segments [Member] | Supply chain - intersegment revenues [Member]
Segment Reporting Information [Line Items]
Revenues		(27,596)	(27,220)	(55,581)	(54,932)
Operating Segments [Member] | International franchise royalties and fees [Member]
Segment Reporting Information [Line Items]
Revenues		77,164	73,696	152,723	145,662
Operating Segments [Member] | U.S. franchise advertising [Member]
Segment Reporting Information [Line Items]
Revenues		132,201	124,956	256,176	235,256
Segment Income		132,201	124,956	256,176	235,256
Operating Segments [Member] | Cost of sales - food [Member]
Segment Reporting Information [Line Items]
Segment Income		514,763	494,782	1,013,590	991,361
Operating Segments [Member] | Cost of sales - labor [Member]
Segment Reporting Information [Line Items]
Segment Income		87,656	90,177	178,719	182,069
Operating Segments [Member] | Cost of sales - other [Member]
Segment Reporting Information [Line Items]
Segment Income	[2]	69,697	64,354	136,796	127,556
Operating Segments [Member] | General and administrative [Member]
Segment Reporting Information [Line Items]
Segment Income	[3]	67,069	69,902	129,744	132,559
Operating Segments [Member] | U.S. Stores [Member]
Segment Reporting Information [Line Items]
Revenues		380,918	364,796
Operating Segments [Member] | U.S. Stores [Member] | U.S. Company-owned stores [Member]
Segment Reporting Information [Line Items]
Revenues		92,456	92,264	184,054	184,913
Operating Segments [Member] | U.S. Stores [Member] | U.S. franchise royalties and fees [Member]
Segment Reporting Information [Line Items]
Revenues		156,261	147,576	307,261	298,094
Operating Segments [Member] | U.S. Stores [Member] | Supply Chain [Member]
Segment Reporting Information [Line Items]
Revenues		0	0	0	0
Operating Segments [Member] | U.S. Stores [Member] | Supply chain - intersegment revenues [Member]
Segment Reporting Information [Line Items]
Revenues		0	0	0	0
Operating Segments [Member] | U.S. Stores [Member] | International franchise royalties and fees [Member]
Segment Reporting Information [Line Items]
Revenues		0	0	0	0
Operating Segments [Member] | U.S. Stores [Member] | U.S. franchise advertising [Member]
Segment Reporting Information [Line Items]
Revenues		132,201	124,956	256,176	235,256
Segment Income		132,201	124,956	256,176	235,256
Operating Segments [Member] | U.S. Stores [Member] | Cost of sales - food [Member]
Segment Reporting Information [Line Items]
Segment Income		27,279	26,321	54,490	52,963
Operating Segments [Member] | U.S. Stores [Member] | Cost of sales - labor [Member]
Segment Reporting Information [Line Items]
Segment Income		27,632	28,477	56,813	58,151
Operating Segments [Member] | U.S. Stores [Member] | Cost of sales - other [Member]
Segment Reporting Information [Line Items]
Segment Income	[2]	20,486	18,408	38,238	35,594
Operating Segments [Member] | U.S. Stores [Member] | General and administrative [Member]
Segment Reporting Information [Line Items]
Segment Income	[3]	39,337	37,152	75,973	70,709
Operating Segments [Member] | Supply Chain [Member]
Segment Reporting Information [Line Items]
Revenues		687,062	659,244
Operating Segments [Member] | Supply Chain [Member] | U.S. Company-owned stores [Member]
Segment Reporting Information [Line Items]
Revenues		0	0	0	0
Operating Segments [Member] | Supply Chain [Member] | U.S. franchise royalties and fees [Member]
Segment Reporting Information [Line Items]
Revenues		0	0	0	0
Operating Segments [Member] | Supply Chain [Member] | Supply Chain [Member]
Segment Reporting Information [Line Items]
Revenues		714,658	686,464	1,412,567	1,373,390
Operating Segments [Member] | Supply Chain [Member] | Supply chain - intersegment revenues [Member]
Segment Reporting Information [Line Items]
Revenues		(27,596)	(27,220)	(55,581)	(54,932)
Operating Segments [Member] | Supply Chain [Member] | International franchise royalties and fees [Member]
Segment Reporting Information [Line Items]
Revenues		0	0	0	0
Operating Segments [Member] | Supply Chain [Member] | U.S. franchise advertising [Member]
Segment Reporting Information [Line Items]
Revenues		0	0	0	0
Segment Income		0	0	0	0
Operating Segments [Member] | Supply Chain [Member] | Cost of sales - food [Member]
Segment Reporting Information [Line Items]
Segment Income		487,484	468,461	959,100	938,398
Operating Segments [Member] | Supply Chain [Member] | Cost of sales - labor [Member]
Segment Reporting Information [Line Items]
Segment Income		60,024	61,700	121,906	123,918
Operating Segments [Member] | Supply Chain [Member] | Cost of sales - other [Member]
Segment Reporting Information [Line Items]
Segment Income	[2]	49,211	45,946	98,558	91,962
Operating Segments [Member] | Supply Chain [Member] | General and administrative [Member]
Segment Reporting Information [Line Items]
Segment Income	[3]	16,132	18,151	30,391	34,617
Operating Segments [Member] | International Franchise [Member]
Segment Reporting Information [Line Items]
Revenues		77,164	73,696
Operating Segments [Member] | International Franchise [Member] | U.S. Company-owned stores [Member]
Segment Reporting Information [Line Items]
Revenues		0	0	0	0
Operating Segments [Member] | International Franchise [Member] | U.S. franchise royalties and fees [Member]
Segment Reporting Information [Line Items]
Revenues		0	0	0	0
Operating Segments [Member] | International Franchise [Member] | Supply Chain [Member]
Segment Reporting Information [Line Items]
Revenues		0	0	0	0
Operating Segments [Member] | International Franchise [Member] | Supply chain - intersegment revenues [Member]
Segment Reporting Information [Line Items]
Revenues		0	0	0	0
Operating Segments [Member] | International Franchise [Member] | International franchise royalties and fees [Member]
Segment Reporting Information [Line Items]
Revenues		77,164	73,696	152,723	145,662
Operating Segments [Member] | International Franchise [Member] | U.S. franchise advertising [Member]
Segment Reporting Information [Line Items]
Revenues		0	0	0	0
Segment Income		0	0	0	0
Operating Segments [Member] | International Franchise [Member] | Cost of sales - food [Member]
Segment Reporting Information [Line Items]
Segment Income		0	0	0	0
Operating Segments [Member] | International Franchise [Member] | Cost of sales - labor [Member]
Segment Reporting Information [Line Items]
Segment Income		0	0	0	0
Operating Segments [Member] | International Franchise [Member] | Cost of sales - other [Member]
Segment Reporting Information [Line Items]
Segment Income	[2]	0	0	0	0
Operating Segments [Member] | International Franchise [Member] | General and administrative [Member]
Segment Reporting Information [Line Items]
Segment Income	[3]	$ 11,600	$ 14,599	$ 23,380	$ 27,233

[1] (3)   The Company also had $10.1 million and $14.4 million of other capital expenditures not attributable to the reportable segments primarily representing capitalized software in the second quarters of 2025 and 2024, respectively. The Company had $18.8 million and $28.6 million of other capital expenditures not attributable to the reportable segments primarily representing capitalized software in the two fiscal 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, gains and losses from the sale/disposal of assets and refranchising gains and losses are not included in the measurement of Segment Income.