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	18,813	0	18,813
Other comprehensive income (loss)	0	0	0	(237)	(237)
Total comprehensive income					18,576
Common stock issued in connection with employee equity incentive plans, net of shares withheld for employee taxes (in shares)	472,000
Common stock issued in connection with employee equity incentive plans, net of shares withheld for employee taxes	$ 5	(6,875)	0	0	(6,870)
Stock-based compensation expense	$ 0	10,454	0	0	10,454
Repurchase of common stock (in shares)	(307,000)
Repurchase of common stock	$ (3)	(14,999)	0	0	(15,002)
Total comprehensive income					18,576
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
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	36,078	0	36,078
Other comprehensive income (loss)	0	0	0	(253)	(253)
Total comprehensive income					35,825
Common stock issued in connection with employee equity incentive plans, net of shares withheld for employee taxes (in shares)	602,000
Common stock issued in connection with employee equity incentive plans, net of shares withheld for employee taxes	$ 6	(25,034)	0	0	(25,028)
Stock-based compensation expense	$ 0	14,125	0	0	14,125
Repurchase of common stock (in shares)	(244,000)
Repurchase of common stock	$ (2)	(14,998)	0	0	(15,000)
Total comprehensive income					$ 35,825
Balances (in shares) at Apr. 02, 2022	137,597,000				137,597,000
Balances at Apr. 02, 2022	$ 1,376	$ 675,781	$ (253,898)	$ (1,704)	$ 421,555