CONDENSED CONSOLIDATED STATEMENTS OF EQUITY (Unaudited) - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Additional Paid-In Capital	Accumulated Deficit	Accumulated Other Comprehensive Income (Loss)
Balance at beginning of the period at Dec. 28, 2019	$ 122,005	$ 868	$ 310,678	$ (189,545)	$ 4
Balance at beginning of the period (shares) at Dec. 28, 2019		86,774
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	1,855		1,855
Common stock issued under employee benefit plans	165	$ 1	164
Common stock issued under employee benefit plans (in shares)		143
Common stock withheld related to net share settlement of stock-based compensation	(704)		(704)
Common stock withheld related to net share settlement of stock-based compensation (in shares)		(22)
Other comprehensive income (loss)	(154)				(154)
Net income	8,480			8,480
Balance at end of the period at Mar. 28, 2020	131,647	$ 869	311,993	(181,065)	(150)
Balance at end of the period (shares) at Mar. 28, 2020		86,895
Balance at beginning of the period at Jan. 02, 2021	288,418	$ 871	321,678	(33,744)	(387)
Balance at beginning of the period (shares) at Jan. 02, 2021		87,128
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	3,418		3,418
Common stock issued under employee benefit plans	287	$ 1	286
Common stock issued under employee benefit plans (in shares)		135
Common stock withheld related to net share settlement of stock-based compensation	(1,700)		(1,700)
Common stock withheld related to net share settlement of stock-based compensation (in shares)		(24)
Other comprehensive income (loss)	329				329
Net income	30,523			30,523
Balance at end of the period at Apr. 03, 2021	$ 321,275	$ 872	$ 323,682	$ (3,221)	$ (58)
Balance at end of the period (shares) at Apr. 03, 2021		87,239