Condensed Consolidated Statements of Stockholders’ Equity - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-In Capital	Accumulated Deficit	Accumulated Other Comprehensive Income (Loss)	Noncontrolling Interest
Balance at beginning of period (in shares) at Dec. 27, 2019		58,140,000
Balance at beginning of period at Dec. 27, 2019	$ 636,927	$ 581	$ 654,420	$ (18,134)	$ (39)	$ 99
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	(19,018)			(18,994)		(24)
Foreign currency translation adjustments	(434)				(434)
Equity-based compensation	1,362		1,362
Balance at end of period (in shares) at Mar. 27, 2020		58,140,000
Balance at end of period at Mar. 27, 2020	618,837	$ 581	655,782	(37,128)	(473)	75
Balance at beginning of period (in shares) at Dec. 27, 2019		58,140,000
Balance at beginning of period at Dec. 27, 2019	636,927	$ 581	654,420	(18,134)	(39)	99
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	(20,844)
Foreign currency translation adjustments	(32)
Balance at end of period (in shares) at Sep. 25, 2020		59,217,000
Balance at end of period at Sep. 25, 2020	620,113	$ 592	658,381	(38,924)	(71)	135
Balance at beginning of period (in shares) at Mar. 27, 2020		58,140,000
Balance at beginning of period at Mar. 27, 2020	618,837	$ 581	655,782	(37,128)	(473)	75
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Capital contributions	243		243
Net (loss) income	(3,229)			(3,213)		(16)
Foreign currency translation adjustments	117				117
Equity-based compensation	1,185		1,185
Issuance of common stock (in shares)		1,077,000
Issuance of common stock	0	$ 11	(11)
Balance at end of period (in shares) at Jun. 26, 2020		59,217,000
Balance at end of period at Jun. 26, 2020	617,153	$ 592	657,199	(40,341)	(356)	59
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Capital contributions	247		157			90
Net (loss) income	1,403			1,417		(14)
Foreign currency translation adjustments	285				285
Equity-based compensation	1,025		1,025
Balance at end of period (in shares) at Sep. 25, 2020		59,217,000
Balance at end of period at Sep. 25, 2020	$ 620,113	$ 592	658,381	(38,924)	(71)	135
Balance at beginning of period (in shares) at Dec. 25, 2020	59,217,000	59,217,000
Balance at beginning of period at Dec. 25, 2020	$ 617,739	$ 592	659,093	(43,018)	756	316
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	(6,036)			(6,014)		(22)
Foreign currency translation adjustments	(52)				(52)
Equity-based compensation	1,060		1,060
Balance at end of period (in shares) at Mar. 26, 2021		59,217,000
Balance at end of period at Mar. 26, 2021	$ 612,711	$ 592	660,153	(49,032)	704	294
Balance at beginning of period (in shares) at Dec. 25, 2020	59,217,000	59,217,000
Balance at beginning of period at Dec. 25, 2020	$ 617,739	$ 592	659,093	(43,018)	756	316
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	(28,632)
Foreign currency translation adjustments	(508)
Equity-based compensation	$ 16,629
Balance at end of period (in shares) at Sep. 24, 2021	74,238,000	74,238,000
Balance at end of period at Sep. 24, 2021	$ 751,483	$ 742	821,827	(71,605)	248	271
Balance at beginning of period (in shares) at Mar. 26, 2021		59,217,000
Balance at beginning of period at Mar. 26, 2021	612,711	$ 592	660,153	(49,032)	704	294
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Equity Contributions	10,025		10,025
Net (loss) income	(1,056)			(1,044)		(12)
Foreign currency translation adjustments	32				32
Equity-based compensation	1,178		1,178
Balance at end of period (in shares) at Jun. 25, 2021		59,217,000
Balance at end of period at Jun. 25, 2021	622,890	$ 592	671,356	(50,076)	736	282
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	(21,540)			(21,529)		(11)
Foreign currency translation adjustments	(488)				(488)
Equity-based compensation	14,391		14,391
Issuance of common stock (in shares)		15,021,000
Issuance of common stock	249,154	$ 150	249,004
Establishment of income tax receivable liability	(112,681)		(112,681)
Other (in shares)		0
Other	$ (243)	$ 0	(243)
Balance at end of period (in shares) at Sep. 24, 2021	74,238,000	74,238,000
Balance at end of period at Sep. 24, 2021	$ 751,483	$ 742	$ 821,827	$ (71,605)	$ 248	$ 271