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Note 15 - Accumulated Other Comprehensive Income (Loss) - Components of Other Comprehensive Loss (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 27, 2025 | Dec. 28, 2024 | Dec. 30, 2023
Foreign currency translation adjustments | $ 19,433 | $ (16,540) | $ 6,256
Foreign currency translation adjustments | 3 | (299) | 559
Foreign currency translation adjustments | 19,436 | (16,839) | 6,815
Adjustments related to postretirement benefits | (820) | 615 | (2,800)
Adjustments related to postretirement benefits | (67) | (97) | 425
Adjustments related to postretirement benefits | (887) | 518 | (2,375)
Change in unrealized gain/loss on investments | 136 | (55) | 793
Change in unrealized gain/loss on investments | 0 | 0 | 0
Change in unrealized gain/loss on investments | 136 | (55) | 793
Other comprehensive loss | 18,749 | (15,980) | 4,249
Other comprehensive loss | (64) | (396) | 984
Other comprehensive loss | $ 18,685 | $ (16,376) | $ 5,233

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