Condensed Consolidated Statements of Shareholders' Deficit - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Accumulated Deficit
Beginning balance (in shares) at Jan. 01, 2022		22,683
Beginning balance at Jan. 01, 2022	$ (424,953)	$ 227	$ 3,971	$ (429,151)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	2,074			2,074
Exercise of common stock options (in shares)		21
Exercise of common stock options	531		531
Stock-based compensation (in shares)		341
Stock-based compensation	4,133	$ 3	4,130
Repurchases of common stock (in shares)		(813)
Repurchases of common stock	(50,998)	$ (8)	(8,632)	(42,358)
Ending balance (in shares) at Apr. 02, 2022		22,232
Ending balance at Apr. 02, 2022	(469,213)	$ 222	0	(469,435)
Beginning balance (in shares) at Jan. 01, 2022		22,683
Beginning balance at Jan. 01, 2022	(424,953)	$ 227	3,971	(429,151)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	42,040
Ending balance (in shares) at Oct. 01, 2022		22,001
Ending balance at Oct. 01, 2022	(437,471)	$ 220	458	(438,149)
Beginning balance (in shares) at Apr. 02, 2022		22,232
Beginning balance at Apr. 02, 2022	(469,213)	$ 222	0	(469,435)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	34,933			34,933
Exercise of common stock options (in shares)		2
Exercise of common stock options	54		54
Stock-based compensation (in shares)		26
Stock-based compensation	3,910	$ 1	3,909
Repurchases of common stock (in shares)		(296)
Repurchases of common stock	(12,646)	$ (3)	(3,963)	(8,680)
Ending balance (in shares) at Jul. 02, 2022		21,964
Ending balance at Jul. 02, 2022	(442,962)	$ 220	0	(443,182)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	5,033			5,033
Exercise of common stock options (in shares)		19
Exercise of common stock options	413		413
Stock-based compensation (in shares)		30
Stock-based compensation	542		542
Repurchases of common stock (in shares)		(12)
Repurchases of common stock	(497)		(497)
Ending balance (in shares) at Oct. 01, 2022		22,001
Ending balance at Oct. 01, 2022	$ (437,471)	$ 220	458	(438,149)
Beginning balance (in shares) at Dec. 31, 2022	22,014	22,014
Beginning balance at Dec. 31, 2022	$ (438,177)	$ 220	5,182	(443,579)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	11,465			11,465
Exercise of common stock options (in shares)		17
Exercise of common stock options	389		389
Stock-based compensation (in shares)		271
Stock-based compensation	4,639	$ 3	4,636
Repurchases of common stock (in shares)		(118)
Repurchases of common stock	(3,363)	$ (1)	(3,362)
Ending balance (in shares) at Apr. 01, 2023		22,184
Ending balance at Apr. 01, 2023	$ (425,047)	$ 222	6,845	(432,114)
Beginning balance (in shares) at Dec. 31, 2022	22,014	22,014
Beginning balance at Dec. 31, 2022	$ (438,177)	$ 220	5,182	(443,579)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	$ 9,901
Ending balance (in shares) at Sep. 30, 2023	22,228	22,228
Ending balance at Sep. 30, 2023	$ (420,687)	$ 222	12,769	(433,678)
Beginning balance (in shares) at Apr. 01, 2023		22,184
Beginning balance at Apr. 01, 2023	(425,047)	$ 222	6,845	(432,114)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	754			754
Exercise of common stock options (in shares)		3
Exercise of common stock options	39		39
Stock-based compensation (in shares)		33
Stock-based compensation	5,251		5,251
Repurchases of common stock (in shares)		(6)
Repurchases of common stock	(138)		(138)
Ending balance (in shares) at Jul. 01, 2023		22,214
Ending balance at Jul. 01, 2023	(419,141)	$ 222	11,997	(431,360)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(2,318)			(2,318)
Exercise of common stock options (in shares)		0
Exercise of common stock options	0		0
Stock-based compensation (in shares)		22
Stock-based compensation	982		982
Repurchases of common stock (in shares)		(8)
Repurchases of common stock	$ (210)		(210)
Ending balance (in shares) at Sep. 30, 2023	22,228	22,228
Ending balance at Sep. 30, 2023	$ (420,687)	$ 222	$ 12,769	$ (433,678)