Note 1 - Summary of Significant Accounting Policies - Reported Share-based Compensation in Consolidated Financial Statements 2 (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 27, 2026 |
Jun. 28, 2025 |
Jun. 27, 2026 |
Jun. 28, 2025 |
|
| Share Based Compensation Expense | $ 6,593 | $ 5,675 | $ 12,869 | $ 11,905 |
| Location, Statement of Income, Balance [Axis]: us-gaap:CostOfSalesMember | ||||
| Share Based Compensation Expense | 219 | 398 | 493 | 723 |
| Location, Statement of Income, Balance [Axis]: us-gaap:ResearchAndDevelopmentExpenseMember | ||||
| Share Based Compensation Expense | 1,073 | 1,514 | 2,041 | 2,733 |
| Location, Statement of Income, Balance [Axis]: us-gaap:SellingGeneralAndAdministrativeExpensesMember | ||||
| Share Based Compensation Expense | $ 5,301 | $ 3,763 | $ 10,335 | $ 8,449 |