Note 12 - Income Taxes (Details Textual) - USD ($) $ in Thousands	Dec. 30, 2023	Dec. 31, 2022	Jan. 01, 2022	Jan. 02, 2021
Deferred Tax Assets, Gross	$ 139,668	$ 146,450
Deferred Tax Assets, Valuation Allowance, Total	79,100	140,533
Undistributed Earnings of Foreign Subsidiaries	3,000
Unrecognized Tax Benefits	61,412	58,889	$ 56,231	$ 55,737
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	58,700	56,300
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued	11,300	10,600
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	21,900	$ 21,600
Domestic Tax Authority [Member]
Deferred Tax Assets, Gross	56,900
Operating Loss Carryforwards	8,000
Tax Credit Carryforward, Amount	45,000
State and Local Jurisdiction [Member]
Operating Loss Carryforwards	134,500
Tax Credit Carryforward, Amount	78,900
Foreign Tax Authority [Member]
Deferred Tax Assets, Valuation Allowance, Total	$ 0