Note 2 - Net Income Per Share - Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 30, 2024	Apr. 01, 2023
Net income	$ 14,796	$ 55,923
Shares used in basic Net income per share (in shares)	137,475	137,418
Dilutive effect of stock options, RSUs, ESPP shares, and equity awards with a market condition or performance condition (in shares)	1,299	2,683
Shares used in diluted Net income per share (in shares)	138,774	140,101
Basic (in dollars per share)	$ 0.11	$ 0.41
Diluted (in dollars per share)	$ 0.11	$ 0.4
Stock options, RSUs, ESPP shares, and equity awards with a market condition or performance condition excluded as they are antidilutive (in shares)	950	141