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Note 2 - Business Acquisitions, Goodwill and Purchased Intangible Assets - Purchase Price Allocation (Details) - USD ($) $ in Thousands | Jun. 27, 2026 | Dec. 27, 2025 | [1] | Jan. 07, 2025 | Dec. 28, 2024
--- | --- | --- | --- | --- | ---
Goodwill | $ 278,891 | $ 283,027 |  | $ 234,639
Tignis, Inc [Member] |  |  |  |
Current assets, including cash received |  |  | $ 293 |
Property, plant and equipment |  |  | 19 |
Other assets |  |  | 56 |
Intangible assets |  |  | 2,900 |
Goodwill |  |  | 33,688 |
Total assets acquired |  |  | 36,956 |
Liabilities assumed |  |  | (349) |
Net assets acquired |  |  | $ 36,607 |
[1] | Derived from December 27, 2025, audited financial statements

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