CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 29, 2024	Dec. 31, 2023	Dec. 25, 2022
Income Statement [Abstract]
Revenue	$ 963,713	$ 728,700	$ 564,119
Restaurant operating costs (excluding depreciation and amortization)
Food, beverage, and packaging	284,743	213,458	179,988
Labor	247,490	187,326	157,891
Occupancy	69,851	58,319	53,669
Other operating expenses	119,824	89,251	74,587
Total restaurant operating expenses	721,908	548,354	466,135
General and administrative expenses	120,500	101,491	70,037
Depreciation and amortization	60,355	47,433	42,724
Restructuring and other costs	580	6,080	5,923
Pre-opening costs	12,197	15,718	19,313
Impairment and asset disposal costs	5,055	4,899	19,753
Total operating expenses	920,595	723,975	623,885
Income (loss) from operations	43,118	4,725	(59,766)
Other income (expense):
Interest (income) expense, net	(16,474)	(8,852)	47
Other income, net	(318)	(471)	(919)
Income (loss) before taxes	59,910	14,048	(58,894)
(Benefit from) provision for income taxes	(70,409)	768	93
Net income (loss)	$ 130,319	$ 13,280	$ (58,987)
Earnings (loss) per share
Basic (in usd per share)	$ 1.14	$ 0.22	$ (44.41)
Diluted (in usd per share)	$ 1.10	$ 0.21	$ (44.41)
Weighted-average common shares outstanding:
Basic (in shares)	114,292	60,512	1,328
Diluted (in shares)	118,273	63,448	1,328