Note 7 - Other Costs (Details Textual) - USD ($) |
3 Months Ended | 9 Months Ended | |||
|---|---|---|---|---|---|
Jul. 26, 2026 |
Sep. 27, 2026 |
Sep. 28, 2025 |
Sep. 27, 2026 |
Sep. 28, 2025 |
|
| Other Operating Income (Expense), Net | $ (4,700,000) | $ 0 | $ (6,500,000) | $ 0 | |
| Transaction Agreement [Member] | |||||
| Ordinary Share Payment (in dollars per share) | $ 17.37 | ||||
| Transaction Agreement, Buyer Fee | $ 18,000,000 | ||||
| Transaction Agreement, Buyer Termination Payment | $ 32,250,000 | ||||