Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Total
Balances (in shares) at Dec. 29, 2018	129,728,000
Balances at Dec. 29, 2018	$ 1,297	$ 736,274	$ (476,783)	$ (2,331)	$ 258,457
Net income	0	0	43,493	0	43,493
Other comprehensive income (loss)	0	0	0	(272)	(272)
Total comprehensive income					43,221
Common stock issued in connection with employee equity incentive plans, net of shares withheld for employee taxes (in shares)	4,155,000
Common stock issued in connection with employee equity incentive plans, net of shares withheld for employee taxes	$ 42	7,040	0	0	7,082
Stock-based compensation expense	$ 0	18,899	0	0	18,899
Balances (in shares) at Dec. 28, 2019	133,883,000
Balances at Dec. 28, 2019	$ 1,339	762,213	(433,290)	(2,603)	327,659
Net income	0	0	47,392	0	47,392
Other comprehensive income (loss)	0	0	0	855	855
Total comprehensive income					48,247
Common stock issued in connection with employee equity incentive plans, net of shares withheld for employee taxes (in shares)	2,738,000
Common stock issued in connection with employee equity incentive plans, net of shares withheld for employee taxes	$ 27	(16,889)	0	0	(16,862)
Stock-based compensation expense	$ 0	40,372	0	0	40,372
Repurchase of common stock (in shares)	(385,000)
Repurchase of common stock	$ (4)	(14,985)	0	0	$ (14,989)
Balances (in shares) at Jan. 02, 2021	136,236,000				136,236,000
Balances at Jan. 02, 2021	$ 1,362	770,711	(385,898)	(1,748)	$ 384,427
Net income	0	0	95,922	0	95,922
Other comprehensive income (loss)	0	0	0	297	297
Total comprehensive income					96,219
Common stock issued in connection with employee equity incentive plans, net of shares withheld for employee taxes (in shares)	2,270,000
Common stock issued in connection with employee equity incentive plans, net of shares withheld for employee taxes	$ 23	(45,387)	0	0	(45,364)
Stock-based compensation expense	$ 0	46,475	0	0	46,475
Repurchase of common stock (in shares)	(1,267,000)
Repurchase of common stock	$ (13)	(70,111)	0	0	$ (70,124)
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