CONDENSED CONSOLIDATED STATEMENTS OF EQUITY (Unaudited) - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Additional Paid-In Capital	Retained Earnings	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	6,315		6,315
Common stock issued under employee benefit plans	2,033	$ 3	2,030
Common stock issued under employee benefit plans (in shares)		319
Common stock withheld related to net share settlement of stock-based compensation	(1,027)		(1,027)
Common stock withheld related to net share settlement of stock-based compensation (in shares)		(29)
Other comprehensive income (loss)	(100)				(100)
Net income	93,407			93,407
Balance at end of the period at Sep. 26, 2020	222,633	$ 871	317,996	(96,138)	(96)
Balance at end of the period (shares) at Sep. 26, 2020		87,064
Balance at beginning of the period at Jun. 27, 2020	169,029	$ 870	315,405	(147,583)	337
Balance at beginning of the period (shares) at Jun. 27, 2020		87,004
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	2,279		2,279
Common stock issued under employee benefit plans	636	$ 1	635
Common stock issued under employee benefit plans (in shares)		67
Common stock withheld related to net share settlement of stock-based compensation	(323)		(323)
Common stock withheld related to net share settlement of stock-based compensation (in shares)		(7)
Other comprehensive income (loss)	(433)				(433)
Net income	51,445			51,445
Balance at end of the period at Sep. 26, 2020	222,633	$ 871	317,996	(96,138)	(96)
Balance at end of the period (shares) at Sep. 26, 2020		87,064
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	11,339		11,339
Common stock issued under employee benefit plans	2,793	$ 5	2,788
Common stock issued under employee benefit plans (in shares)		512
Common stock withheld related to net share settlement of stock-based compensation	(3,506)		(3,506)
Common stock withheld related to net share settlement of stock-based compensation (in shares)		(42)
Other comprehensive income (loss)	875				875
Net income	139,721			139,721
Balance at end of the period at Oct. 02, 2021	439,640	$ 876	332,299	105,977	488
Balance at end of the period (shares) at Oct. 02, 2021		87,598
Balance at beginning of the period at Jul. 03, 2021	384,094	$ 874	329,638	53,010	572
Balance at beginning of the period (shares) at Jul. 03, 2021		87,441
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	3,824		3,824
Common stock issued under employee benefit plans	645	$ 2	643
Common stock issued under employee benefit plans (in shares)		175
Common stock withheld related to net share settlement of stock-based compensation	(1,806)		(1,806)
Common stock withheld related to net share settlement of stock-based compensation (in shares)		(18)
Other comprehensive income (loss)	(84)				(84)
Net income	52,967			52,967
Balance at end of the period at Oct. 02, 2021	$ 439,640	$ 876	$ 332,299	$ 105,977	$ 488
Balance at end of the period (shares) at Oct. 02, 2021		87,598