Note 2 - Net Income Per Share - Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 29, 2025	Mar. 30, 2024
Net income	$ 5,022	$ 14,796
Shares used in basic Net income per share (in shares)	137,686	137,475
Dilutive effect of employee equity incentive awards (in shares)	631	1,299
Shares used in diluted Net income per share (in shares)	138,317	138,774
Basic (in dollars per share)	$ 0.04	$ 0.11
Diluted (in dollars per share)	$ 0.04	$ 0.11