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Note 15 - Accumulated Other Comprehensive Income (Loss) (Tables) | 12 Months Ended
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Dec. 27, 2025
Notes Tables |
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] |
(in thousands) |  | Before Tax amount |  |  | Tax (Expense) Benefit |  |  | Net of Tax Amount |
Year ended December 30, 2023 |  |  |  |  |  |  |  |  |  |  |  |
Foreign currency translation adjustments |  | $ | 6,256 |  |  | $ | 559 |  |  | $ | 6,815 |
Adjustments related to postretirement benefits |  |  | (2,800 | ) |  |  | 425 |  |  |  | (2,375 | )
Change in unrealized gain/loss on investments |  |  | 793 |  |  |  | - |  |  |  | 793 |
Other comprehensive income |  | $ | 4,249 |  |  | $ | 984 |  |  | $ | 5,233 |
Year ended December 28, 2024 |  |  |  |  |  |  |  |  |  |  |  |
Foreign currency translation adjustments |  | $ | (16,540 | ) |  | $ | (299 | ) |  | $ | (16,839 | )
Adjustments related to postretirement benefits |  |  | 615 |  |  |  | (97 | ) |  |  | 518 |
Change in unrealized gain/loss on investments |  |  | (55 | ) |  |  | - |  |  |  | (55 | )
Other comprehensive loss |  | $ | (15,980 | ) |  | $ | (396 | ) |  | $ | (16,376 | )
Year ended December 27, 2025 |  |  |  |  |  |  |  |  |  |  |  |
Foreign currency translation adjustments |  | $ | 19,433 |  |  | $ | 3 |  |  | $ | 19,436 |
Adjustments related to postretirement benefits |  |  | (820 | ) |  |  | (67 | ) |  |  | (887 | )
Change in unrealized gain/loss on investments |  |  | 136 |  |  |  | - |  |  |  | 136 |
Other comprehensive income |  | $ | 18,749 |  |  | $ | (64 | ) |  | $ | 18,685 |
Condensed Statement of Comprehensive Income [Table Text Block] |
(in thousands) |  | 2025 |  |  | 2024 |
Accumulated net currency translation adjustments (1) |  | $ | (36,896 | ) |  | $ | (56,332 | )
Accumulated net adjustments related to postretirement benefits |  |  | 4,287 |  |  |  | 5,174 |
Accumulated net unrealized gain/loss on investments |  |  | 139 |  |  |  | 3 |
Total accumulated other comprehensive loss |  | $ | (32,470 | ) |  | $ | (51,155 | )

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