Segment Information - Schedule of Segment Results (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 24, 2022	Sep. 30, 2023	Sep. 24, 2022
Segment Reporting Information [Line Items]
Total revenue	$ 581,034	$ 516,594	$ 1,750,352	$ 1,493,541
Franchise royalties and fees
Segment Reporting Information [Line Items]
Total revenue	47,362	45,562	140,682	128,300
Company-operated store sales
Segment Reporting Information [Line Items]
Total revenue	389,041	341,211	1,159,685	957,487
Independently-operated store sales
Segment Reporting Information [Line Items]
Total revenue	43,582	40,469	157,647	158,500
Advertising fund contributions
Segment Reporting Information [Line Items]
Total revenue	27,121	22,018	73,547	63,807
Supply and other revenue
Segment Reporting Information [Line Items]
Total revenue	73,928	67,334	218,791	185,447
Operating Segments | Maintenance
Segment Reporting Information [Line Items]
Total revenue	244,359	200,822	714,354	573,869
Segment Adjusted EBITDA	86,493	68,763	245,232	185,324
Operating Segments | Maintenance | Franchise royalties and fees
Segment Reporting Information [Line Items]
Total revenue	14,566	11,625	41,224	32,586
Operating Segments | Maintenance | Company-operated store sales
Segment Reporting Information [Line Items]
Total revenue	204,460	172,162	605,393	497,638
Operating Segments | Maintenance | Independently-operated store sales
Segment Reporting Information [Line Items]
Total revenue	0	0	0	0
Operating Segments | Maintenance | Advertising fund contributions
Segment Reporting Information [Line Items]
Total revenue	0	0	0	0
Operating Segments | Maintenance | Supply and other revenue
Segment Reporting Information [Line Items]
Total revenue	25,333	17,035	67,737	43,645
Operating Segments | Car Wash
Segment Reporting Information [Line Items]
Total revenue	142,813	140,303	464,548	458,157
Segment Adjusted EBITDA	24,429	39,098	112,001	148,495
Operating Segments | Car Wash | Franchise royalties and fees
Segment Reporting Information [Line Items]
Total revenue	0	0	0	0
Operating Segments | Car Wash | Company-operated store sales
Segment Reporting Information [Line Items]
Total revenue	98,132	98,235	302,193	294,526
Operating Segments | Car Wash | Independently-operated store sales
Segment Reporting Information [Line Items]
Total revenue	43,582	40,469	157,647	158,500
Operating Segments | Car Wash | Advertising fund contributions
Segment Reporting Information [Line Items]
Total revenue	0	0	0	0
Operating Segments | Car Wash | Supply and other revenue
Segment Reporting Information [Line Items]
Total revenue	1,099	1,599	4,708	5,131
Operating Segments | Paint, Collision & Glass
Segment Reporting Information [Line Items]
Total revenue	129,414	113,220	383,375	287,950
Segment Adjusted EBITDA	32,763	38,919	109,724	100,847
Operating Segments | Paint, Collision & Glass | Franchise royalties and fees
Segment Reporting Information [Line Items]
Total revenue	23,799	24,055	74,627	69,025
Operating Segments | Paint, Collision & Glass | Company-operated store sales
Segment Reporting Information [Line Items]
Total revenue	85,207	69,383	248,796	161,348
Operating Segments | Paint, Collision & Glass | Independently-operated store sales
Segment Reporting Information [Line Items]
Total revenue	0	0	0	0
Operating Segments | Paint, Collision & Glass | Advertising fund contributions
Segment Reporting Information [Line Items]
Total revenue	0	0	0	0
Operating Segments | Paint, Collision & Glass | Supply and other revenue
Segment Reporting Information [Line Items]
Total revenue	20,408	19,782	59,952	57,577
Operating Segments | Platform Services
Segment Reporting Information [Line Items]
Total revenue	55,934	51,999	165,305	148,368
Segment Adjusted EBITDA	22,417	19,765	61,984	54,471
Operating Segments | Platform Services | Franchise royalties and fees
Segment Reporting Information [Line Items]
Total revenue	8,997	9,882	24,831	26,689
Operating Segments | Platform Services | Company-operated store sales
Segment Reporting Information [Line Items]
Total revenue	1,242	1,431	3,303	3,975
Operating Segments | Platform Services | Independently-operated store sales
Segment Reporting Information [Line Items]
Total revenue	0	0	0	0
Operating Segments | Platform Services | Advertising fund contributions
Segment Reporting Information [Line Items]
Total revenue	0	0	0	0
Operating Segments | Platform Services | Supply and other revenue
Segment Reporting Information [Line Items]
Total revenue	45,695	40,686	137,171	117,704
Corporate and Other
Segment Reporting Information [Line Items]
Total revenue	8,514	10,250	22,770	25,197
Segment Adjusted EBITDA	(37,487)	(36,437)	(119,088)	(103,922)
Corporate and Other | Franchise royalties and fees
Segment Reporting Information [Line Items]
Total revenue	0	0	0	0
Corporate and Other | Company-operated store sales
Segment Reporting Information [Line Items]
Total revenue	0	0	0	0
Corporate and Other | Independently-operated store sales
Segment Reporting Information [Line Items]
Total revenue	0	0	0	0
Corporate and Other | Advertising fund contributions
Segment Reporting Information [Line Items]
Total revenue	27,121	22,018	73,547	63,807
Corporate and Other | Supply and other revenue
Segment Reporting Information [Line Items]
Total revenue	(18,607)	(11,768)	(50,777)	(38,610)
Segment Reconciling Items
Segment Reporting Information [Line Items]
Segment Adjusted EBITDA	$ 128,615	$ 130,108	$ 409,853	$ 385,215