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Accumulated Other Comprehensive Income (Loss) (Tables) | 9 Months Ended
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Sep. 27, 2025
Accumulated Other Comprehensive Income (Loss) |
Schedule Of Accumulated Other Comprehensive Loss | ​
​ | ​ | ​ | ​
​ | ​ | Unrealized Gains (Losses)
​ | ​ | on Available-for-Sale
(amounts in thousands) |  | Marketable Debt Securities
Accumulated other comprehensive income (loss) balance as of December 28, 2024 | ​ | $ | (2,859)
Other comprehensive income (loss) | ​ | ​ | 265
Net current period other comprehensive income (loss) | ​ | ​ | 265
Accumulated other comprehensive income (loss) balance as of September 27, 2025 | ​ | $ | (2,594)
​

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