Note 12 - Income Taxes (Details Textual) - USD ($) $ in Thousands	Dec. 28, 2024	Dec. 30, 2023	Dec. 31, 2022	Jan. 01, 2022
Deferred Tax Assets, Valuation Allowance	$ 82,684	$ 79,100
Undistributed Earnings of Foreign Subsidiaries	3,000
Unrecognized Tax Benefits	29,298	61,412	$ 58,889	$ 56,231
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	26,300	58,700
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued	400	11,300
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit	300
Significant Change in Unrecognized Tax Benefits Is Reasonably Possible, Amount of Associated Income, Tax Penalties and Interest Accrued	100
Other Noncurrent Liabilities [Member]
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued	2,500	$ 21,900
Domestic Tax Jurisdiction [Member]
Operating Loss Carryforwards	6,800
Tax Credit Carryforward, Amount	47,200
State and Local Jurisdiction [Member]
Operating Loss Carryforwards	132,300
Tax Credit Carryforward, Amount	84,000
Foreign Tax Jurisdiction [Member]
Deferred Tax Assets, Valuation Allowance	$ 0