Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Total
Balances (in shares) at Jan. 02, 2021	136,236,000
Balances at Jan. 02, 2021	$ 1,362	$ 770,711	$ (385,898)	$ (1,748)	$ 384,427
Net income	0	0	40,651	0	40,651
Other comprehensive income (loss)	0	0	0	(49)	(49)
Total comprehensive income					40,602
Common stock issued in connection with employee equity incentive plans, net of shares withheld for employee taxes (in shares)	937,000
Common stock issued in connection with employee equity incentive plans, net of shares withheld for employee taxes	$ 9	(9,984)	0	0	(9,975)
Stock-based compensation expense	$ 0	22,374	0	0	22,374
Repurchase of common stock (in shares)	(829,000)
Repurchase of common stock	$ (8)	(40,105)	0	0	(40,113)
Balances (in shares) at Jul. 03, 2021	136,344,000
Balances at Jul. 03, 2021	$ 1,363	742,996	(345,247)	(1,797)	397,315
Balances (in shares) at Apr. 03, 2021	136,401,000
Balances at Apr. 03, 2021	$ 1,364	759,291	(367,085)	(1,985)	391,585
Net income	0	0	21,838	0	21,838
Other comprehensive income (loss)	0	0	0	188	188
Total comprehensive income					22,026
Common stock issued in connection with employee equity incentive plans, net of shares withheld for employee taxes (in shares)	465,000
Common stock issued in connection with employee equity incentive plans, net of shares withheld for employee taxes	$ 4	(3,109)	0	0	(3,105)
Stock-based compensation expense	$ 0	11,920	0	0	11,920
Repurchase of common stock (in shares)	(522,000)
Repurchase of common stock	$ (5)	(25,106)	0	0	(25,111)
Balances (in shares) at Jul. 03, 2021	136,344,000
Balances at Jul. 03, 2021	$ 1,363	742,996	(345,247)	(1,797)	$ 397,315
Balances (in shares) at Jan. 01, 2022	137,239,000				137,239,000
Balances at Jan. 01, 2022	$ 1,372	701,688	(289,976)	(1,451)	$ 411,633
Net income	0	0	80,610	0	80,610
Other comprehensive income (loss)	0	0	0	(1,228)	(1,228)
Total comprehensive income					79,382
Common stock issued in connection with employee equity incentive plans, net of shares withheld for employee taxes (in shares)	1,002,000
Common stock issued in connection with employee equity incentive plans, net of shares withheld for employee taxes	$ 11	(32,193)	0	0	(32,182)
Stock-based compensation expense	$ 0	27,249	0	0	$ 27,249
Repurchase of common stock (in shares)	(978,000)				(978,355)
Repurchase of common stock	$ (10)	(50,151)	0	0	$ (50,161)
Balances (in shares) at Jul. 02, 2022	137,263,000				137,263,000
Balances at Jul. 02, 2022	$ 1,373	646,593	(209,366)	(2,679)	$ 435,921
Balances (in shares) at Apr. 02, 2022	137,597,000
Balances at Apr. 02, 2022	$ 1,376	675,781	(253,898)	(1,704)	421,555
Net income	0	0	44,532	0	44,532
Other comprehensive income (loss)	0	0	0	(975)	(975)
Total comprehensive income					43,557
Common stock issued in connection with employee equity incentive plans, net of shares withheld for employee taxes (in shares)	400,000
Common stock issued in connection with employee equity incentive plans, net of shares withheld for employee taxes	$ 5	(7,159)	0	0	(7,154)
Stock-based compensation expense	$ 0	13,124	0	0	$ 13,124
Repurchase of common stock (in shares)	(734,000)				(734,292)
Repurchase of common stock	$ (8)	(35,153)	0	0	$ (35,161)
Balances (in shares) at Jul. 02, 2022	137,263,000				137,263,000
Balances at Jul. 02, 2022	$ 1,373	$ 646,593	$ (209,366)	$ (2,679)	$ 435,921