CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' AND MEMBERS' EQUITY (UNAUDITED) - USD ($) $ in Thousands	Total	Member's Equity	Common Stock	Common Stock Class A Common Stock	Common Stock Class B Common Stock	Additional Paid-in Capital	Accumulated Deficit	Non-Controlling Interest
Beginning balance (in shares) at Dec. 27, 2020	100,000
Beginning balance at Dec. 27, 2020	$ 200,571
Increase (Decrease) in Temporary Equity [Roll Forward]
Redeemable preferred units accretion	$ 16,978
Ending balance (in shares) at Sep. 26, 2021	100,000
Ending balance at Sep. 26, 2021	$ 217,549
Beginning balance at Dec. 27, 2020	140,709	$ 140,709		$ 0	$ 0	$ 0	$ 0	$ 0
Beginning balance (in shares) at Dec. 27, 2020				0	0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	20,404	20,404
Repayment of subscription receivable	499	499
Equity-based compensation	443	443
Issuance of common units	100	100
Redeemable preferred units accretion	(16,978)	(16,978)
Ending balance at Sep. 26, 2021	$ 145,177	145,177		$ 0	$ 0	0	0	0
Ending balance (in shares) at Sep. 26, 2021				0	0
Beginning balance (in shares) at Jun. 27, 2021	100,000
Beginning balance at Jun. 27, 2021	$ 211,663
Increase (Decrease) in Temporary Equity [Roll Forward]
Redeemable preferred units accretion	$ 5,886
Ending balance (in shares) at Sep. 26, 2021	100,000
Ending balance at Sep. 26, 2021	$ 217,549
Beginning balance at Jun. 27, 2021	144,113	144,113		$ 0	$ 0	0	0	0
Beginning balance (in shares) at Jun. 27, 2021				0	0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	6,531	6,531
Repayment of subscription receivable	249	249
Equity-based compensation	170	170
Redeemable preferred units accretion	(5,886)	(5,886)
Ending balance at Sep. 26, 2021	$ 145,177	145,177		$ 0	$ 0	0	0	0
Ending balance (in shares) at Sep. 26, 2021				0	0
Beginning balance (in shares) at Dec. 26, 2021	0
Beginning balance at Dec. 26, 2021	$ 0
Ending balance (in shares) at Sep. 25, 2022	0
Ending balance at Sep. 25, 2022	$ 0
Beginning balance at Dec. 26, 2021	423,406	0		$ 358	$ 0	186,856	(15,950)	252,142
Beginning balance (in shares) at Dec. 26, 2021			71,480,492	35,807,171	35,673,321
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	14,504						6,897	7,607
Equity-based compensation	11,347					5,837		5,510
Exercise of stock options (in share)				475,293
Exercise of stock options	1,722			$ 4		1,718
Redemption of LLC Interests in connection with the secondary offering (in shares)				5,942,559	(5,942,559)
Redemption of LLC Interests in connection with the secondary offering	0			$ 59		(59)
Non-controlling interest adjustment	0					44,533		(44,533)
Establishment of liabilities under tax receivable agreement and related changes to deferred tax assets associated with increases in tax basis	(6,854)					(6,854)
Ending balance at Sep. 25, 2022	$ 444,125	0		$ 421	$ 0	232,031	(9,053)	220,726
Ending balance (in shares) at Sep. 25, 2022			71,955,785	42,225,023	29,730,762
Ending balance (in shares) at Sep. 25, 2022	0
Ending balance at Sep. 25, 2022	$ 0
Beginning balance at Jun. 26, 2022	443,812	0		$ 362	$ 0	192,862	(10,645)	261,233
Beginning balance (in shares) at Jun. 26, 2022				36,218,355	35,673,321
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	3,198						1,592	1,606
Equity-based compensation	3,698					2,000		1,698
Exercise of stock options (in share)				64,109
Exercise of stock options	271					271
Redemption of LLC Interests in connection with the secondary offering (in shares)				5,942,559	(5,942,559)
Redemption of LLC Interests in connection with the secondary offering	0			$ 59		(59)
Non-controlling interest adjustment	0					43,811		(43,811)
Establishment of liabilities under tax receivable agreement and related changes to deferred tax assets associated with increases in tax basis	(6,854)					(6,854)
Ending balance at Sep. 25, 2022	$ 444,125	$ 0		$ 421	$ 0	$ 232,031	$ (9,053)	$ 220,726
Ending balance (in shares) at Sep. 25, 2022			71,955,785	42,225,023	29,730,762