Condensed Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Common Stock	Additional Paid-in Capital	(Accumulated Deficit) Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Total
Balance, beginning of period at Dec. 31, 2019	$ 10	$ 196,474	$ (2,218)	$ (471)	$ 193,795
Balance, beginning of period (in shares) at Dec. 31, 2019	96,498,943
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income			(15,451)		(15,451)
Foreign currency translation adjustments				(1,938)	(1,938)
Repurchase and retirement of treasury stock		(400)			(400)
Repurchase and retirement of treasury stock (in shares)	(200,173)
Stock-based compensation expense		224			224
Balance, end of period at Mar. 28, 2020	$ 10	196,298	(17,669)	(2,409)	176,230
Balance, end of period (in shares) at Mar. 28, 2020	96,298,770
Balance, beginning of period at Dec. 31, 2019	$ 10	196,474	(2,218)	(471)	193,795
Balance, beginning of period (in shares) at Dec. 31, 2019	96,498,943
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income					963
Balance, end of period at Jun. 27, 2020	$ 10	196,362	(1,255)	(114)	195,003
Balance, end of period (in shares) at Jun. 27, 2020	96,223,705
Balance, beginning of period at Mar. 28, 2020	$ 10	196,298	(17,669)	(2,409)	176,230
Balance, beginning of period (in shares) at Mar. 28, 2020	96,298,770
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income			16,414		16,414
Foreign currency translation adjustments				2,295	2,295
Repurchase and retirement of treasury stock		(176)			(176)
Repurchase and retirement of treasury stock (in shares)	(75,065)
Stock-based compensation expense		240			240
Balance, end of period at Jun. 27, 2020	$ 10	196,362	(1,255)	(114)	195,003
Balance, end of period (in shares) at Jun. 27, 2020	96,223,705
Balance, beginning of period at Dec. 31, 2020	$ 12	265,478	13,765	2,354	281,609
Balance, beginning of period (in shares) at Dec. 31, 2020	118,854,249
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income			8,533		8,533
Foreign currency translation adjustments				(1,172)	(1,172)
Dividend ($1.00 per share)		(110,033)			(110,033)
Repurchase and retirement of treasury stock	$ (2)	(64,936)			(64,938)
Repurchase and retirement of treasury stock (in shares)	(21,666,653)
Distributions		(29)			(29)
Stock-based compensation expense		1,464			1,464
Balance, end of period at Apr. 03, 2021	$ 10	91,944	22,298	1,182	115,434
Balance, end of period (in shares) at Apr. 03, 2021	97,187,596
Balance, beginning of period at Dec. 31, 2020	$ 12	265,478	13,765	2,354	281,609
Balance, beginning of period (in shares) at Dec. 31, 2020	118,854,249
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income					(45,065)
Balance, end of period at Jul. 03, 2021	$ 12	350,017	(31,300)	1,346	320,075
Balance, end of period (in shares) at Jul. 03, 2021	120,409,271
Balance, beginning of period at Apr. 03, 2021	$ 10	91,944	22,298	1,182	115,434
Balance, beginning of period (in shares) at Apr. 03, 2021	97,187,596
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income			(53,598)		(53,598)
Foreign currency translation adjustments				164	164
Net proceeds from initial public offering	$ 2	399,262			399,264
Net proceeds from initial public offering (shares)	23,000,000
Repurchase and retirement of treasury stock	$ (1)	(216,699)			(216,700)
Repurchase and retirement of treasury stock (in shares)	(12,264,438)
Issuance of restricted stock in connection with the Reorganization	$ 1	(1)
Issuance of restricted stock in connection with the Reorganization (in shares)	8,340,126
Issuance of common stock upon conversion of Class B units (in shares)	4,145,987
Stock-based compensation expense		75,511			75,511
Balance, end of period at Jul. 03, 2021	$ 12	$ 350,017	$ (31,300)	$ 1,346	$ 320,075
Balance, end of period (in shares) at Jul. 03, 2021	120,409,271