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Note 9 - Stock-based Compensation (Details Textual) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jul. 01, 2023 | Jul. 02, 2022 | Jul. 01, 2023 | Dec. 31, 2022 | Jul. 02, 2022
Share-Based Payment Arrangement, Expense | $ 21,489 | $ 13,124 | $ 35,744 |  | $ 27,249
Restricted Stock Units (RSUs) [Member] | Chief Executive Officer [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year) |  |  | 3 years |  |
Restricted Stock Units (RSUs) [Member] | Executive Officer [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage Of Market Condition Achieved |  |  | 75.00% |  |
Restricted Stock Units (RSUs) [Member] | Executive Officer [Member] | Share-Based Payment Arrangement, Tranche One [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage Of Market Condition Achieved |  |  | 75.00% |  |
Restricted Stock Units (RSUs) [Member] | Executive Officer [Member] | Share-Based Payment Arrangement, Tranche Two [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage, Based on Market Conditions |  |  | 100.00% |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage Of Market Condition Achieved |  |  | 55.00% |  |
Restricted Stock Units (RSUs) [Member] | Executive Officer [Member] | Share-Based Payment Arrangement, Tranche Three [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage Of Market Condition Achieved |  |  | 25.00% |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage |  |  | 0.00% |  |
Restricted Stock Units (RSUs) [Member] | Executive Officer [Member] | Minimum [Member] | TSR Relative To PHLX Semiconductor Sector Index, 75th Percentile [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage, Based on Market Conditions |  |  | 250.00% |  |
Restricted Stock Units (RSUs) [Member] | Executive Officer [Member] | Minimum [Member] | Share-Based Payment Arrangement, Tranche Three [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage Of Market Condition Achieved |  |  | 25.00% |  |
Restricted Stock Units (RSUs) [Member] | Executive Officer [Member] | Maximum [Member] | TSR Relative To PHLX Semiconductor Sector Index, 75th Percentile [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage, Based on Market Conditions |  |  | 200.00% |  |
Restricted Stock Units (RSUs) [Member] | Executive Officer [Member] | Maximum [Member] | Share-Based Payment Arrangement, Tranche One [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage Of Market Condition Achieved |  |  | 250.00% |  |
Restricted Stock Units (RSUs) [Member] | Executive Officer [Member] | Maximum [Member] | Share-Based Payment Arrangement, Tranche Three [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage Of Market Condition Achieved |  |  | 75.00% |  |
Performance Shares Granted in 2018 [Member] | Executive Officer [Member] | Share-Based Payment Arrangement, Tranche One [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage Of Market Condition Achieved |  |  | 200.00% |  |
Performance Shares Granted in 2018 [Member] | Executive Officer [Member] | Share-Based Payment Arrangement, Tranche Two [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage Of Market Condition Achieved |  |  |  | 200.00% |
Performance Shares Granted in 2018 [Member] | Executive Officer [Member] | Minimum [Member] | Share-Based Payment Arrangement, Tranche One [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage, Based on Market Conditions |  |  | 200.00% |  |
Awards with Market Condition or Performance Condition [Member] |  |  |  |  |
Share-Based Payment Arrangement, Expense | $ 11,000 | $ 6,000 | $ 15,900 |  | $ 12,900

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