Note 10 - Segment and Geographic Information - Summary of Net Sales to Customers, Attributed to Countries (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 25, 2021	Dec. 26, 2020
Net sales	$ 812,775	$ 887,214	$ 636,007
CHINA
Net sales	146,227	213,575	143,360
PHILIPPINES
Net sales	111,647	155,070	56,272
MALAYSIA
Net sales	99,508	79,777	57,893
UNITED STATES
Net sales	79,093	77,495	108,694
TAIWAN
Net sales	59,835	88,152	83,685
Rest of the World [Member]
Net sales	$ 316,465	$ 273,145	$ 186,103