Note 10 - Income Taxes - Reconciliation of Gross Unrecognized Tax Benefits (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 28, 2024	Dec. 30, 2023	Dec. 31, 2022
Balance at beginning of year	$ 35,900	$ 33,368	$ 33,391
Additions for tax positions of current year	858	899	910
Additions/(Reductions) for tax positions of prior years	(788)		(428)
Additions/(Reductions) for tax positions of prior years		1,802
Reductions due to lapse of the statute of limitations	(2,089)	(295)	(354)
Foreign exchange rate impact	(116)		(151)
Foreign exchange rate impact		126
Balance at end of year	$ 33,765	$ 35,900	$ 33,368