Note 7 - Leases - Lease Balance Classifications Within the Consolidated Balance Sheets and Lease Activity (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 28, 2024	Sep. 30, 2023	Dec. 30, 2023
Balance	$ 14,487
Right-of-use assets obtained for new lease contracts during the period	7,288
Amortization of right-of-use assets during the period	(5,674)	$ (5,022)
Impairment of right-of use asset during the period (recorded in Restructuring charges)	(384)
Adjustments for present value and foreign currency effects	64
Balance	15,781
Balance	16,310
Lease liabilities accrued for new lease contracts during the period	7,288
Accretion of lease liabilities	764
Operating cash used for payments on lease liabilities	(6,972)	$ (6,179)
Adjustments for present value and foreign currency effects	360
Balance	17,750
Less: Current portion of operating lease liabilities (included in Accrued liabilities)	(7,037)		$ (5,571)
Long-term operating lease liabilities, net of current portion	$ 10,713		$ 10,739