CONSOLIDATED STATEMENTS OF PREFERRED STOCK AND STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Cumulative effect of ASC 842 adoption	Common Stock	Treasury Stock	Additional Paid in Capital	Accumulated Deficit	Accumulated Deficit Cumulative effect of ASC 842 adoption
Beginning Balance (in shares) at Dec. 26, 2021	95,204,000
Beginning Balance at Dec. 26, 2021	$ 662,308
Ending Balance (in shares) at Dec. 25, 2022	95,204,000
Ending Balance at Dec. 25, 2022	$ 662,308
Beginning balance (in shares) at Dec. 26, 2021			1,124,000
Beginning balance at Dec. 26, 2021	(393,021)	$ 576	$ 0	$ (5,708)	$ 15,219	$ (402,532)	$ 576
Beginning balance (in shares) at Dec. 26, 2021				747,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Equity-based compensation	3,803				3,803
Shares purchased under equity plans (in shares)			15,000
Shares purchased under equity plans	37				37
RSU vesting (in shares)			409,000
Tax withholding on equity-based compensation awards (in shares)			139,000	139,000
Tax withholding on equity-based compensation awards	(911)			$ (911)
Net (loss) income	(58,987)					(58,987)
Ending balance (in shares) at Dec. 25, 2022			1,409,000
Ending balance at Dec. 25, 2022	$ (448,503)		$ 0	$ (6,619)	19,059	(460,943)
Ending balance (in shares) at Dec. 25, 2022				886,000
Redeemable Preferred Stock
Conversion of preferred stock (in shares)	(95,204,000)
Conversion of preferred stock	$ (662,308)
Ending Balance (in shares) at Dec. 31, 2023	0
Ending Balance at Dec. 31, 2023	$ 0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Equity-based compensation	9,360				9,360
Shares purchased under equity plans (in shares)			116,000
Shares purchased under equity plans	1,353				1,353
RSU vesting (in shares)			568,000
Tax withholding on equity-based compensation awards (in shares)			200,000	200,000
Tax withholding on equity-based compensation awards	(3,108)			$ (3,108)
Proceeds from initial public offering, net of underwriting fees and offering costs of $29.3 million (in shares)			16,611,000
Proceeds from initial public offering, net of underwriting fees and offering costs of $29.3 million	336,111		$ 1		336,110
Conversion of preferred stock (in shares)			95,204,000
Conversion of preferred stock	662,309		$ 10		662,299
Net (loss) income	$ 13,280					13,280
Ending balance (in shares) at Dec. 31, 2023	113,708,000		113,708,000
Ending balance at Dec. 31, 2023	$ 570,802		$ 11	$ (9,727)	1,028,181	(447,663)
Ending balance (in shares) at Dec. 31, 2023	1,086,000			1,086,000
Ending Balance (in shares) at Dec. 29, 2024	0
Ending Balance at Dec. 29, 2024	$ 0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Equity-based compensation	13,603				13,603
Shares purchased under equity plans (in shares)			830,000
Shares purchased under equity plans	5,491				5,491
RSU vesting (in shares)			900,000
RSU vesting	1		$ 1
Tax withholding on equity-based compensation awards (in shares)			345,000	345,000
Tax withholding on equity-based compensation awards	(24,650)			$ (24,650)
Net (loss) income	$ 130,319					130,319
Ending balance (in shares) at Dec. 29, 2024	115,093,000		115,093,000
Ending balance at Dec. 29, 2024	$ 695,566		$ 12	$ (34,377)	$ 1,047,275	$ (317,344)
Ending balance (in shares) at Dec. 29, 2024	1,431,000			1,431,000