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Note 2 - Business Acquisitions, Goodwill and Purchased Intangible Assets - Purchased Intangible Assets (Details) - USD ($) $ in Thousands | Jun. 27, 2026 | Dec. 29, 2025
--- | --- | ---
Gross Carrying Amount, finite-lived intangible assets | $ 335,205 | $ 339,306
Accumulated Amortization | 271,011 | 260,034
Developed Technology Rights [Member] |  |
Gross Carrying Amount, finite-lived intangible assets | 238,025 | 241,038
Accumulated Amortization | $ 206,835 | 199,776
Finite-Lived Intangible Asset, Useful Life (Year) | 3 years 4 months 24 days |
Customer Relationships [Member] |  |
Gross Carrying Amount, finite-lived intangible assets | $ 74,927 | 75,677
Accumulated Amortization | $ 47,275 | 44,210
Finite-Lived Intangible Asset, Useful Life (Year) | 5 years |
Trade Names [Member] |  |
Gross Carrying Amount, finite-lived intangible assets | $ 22,035 | 22,366
Accumulated Amortization | $ 16,694 | 15,845
Finite-Lived Intangible Asset, Useful Life (Year) | 4 years 4 months 24 days |
Noncompete Agreements [Member] |  |
Gross Carrying Amount, finite-lived intangible assets | $ 218 | 225
Accumulated Amortization | $ 207 | $ 203
Finite-Lived Intangible Asset, Useful Life (Year) | 6 months |

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