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Shareholders' Equity (Tables) | 12 Months Ended
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Dec. 29, 2023
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] |
Changes in Components of Accumulated Other Comprehensive Income (Loss) | Changes in components of accumulated other comprehensive income (loss), net of tax were (in thousands):
| Pension and Postretirement Medical |  | Cumulative Translation Adjustment |  | Total
Balance, December 26, 2020 | $ | (114,129) |  |  | $ | (10,036) |  |  | $ | (124,165) |
Other comprehensive income (loss) before reclassifications | 34,953 |  |  | (10,026) |  |  | 24,927 |
Amounts reclassified from accumulated other comprehensive income | 19,069 |  |  | — |  |  | 19,069 |
Balance, December 31, 2021 | (60,107) |  |  | (20,062) |  |  | (80,169) |
Other comprehensive income (loss) before reclassifications | 16,083 |  |  | (9,582) |  |  | 6,501 |
Amounts reclassified from accumulated other comprehensive income | 4,290 |  |  | — |  |  | 4,290 |
Balance, December 30, 2022 | (39,734) |  |  | (29,644) |  |  | (69,378) |
Other comprehensive income (loss) before reclassifications | (28,162) |  |  | 25,661 |  |  | (2,501) |
Amounts reclassified from accumulated other comprehensive income | 36,884 |  |  | — |  |  | 36,884 |
Balance, December 29, 2023 | $ | (31,012) |  |  | $ | (3,983) |  |  | $ | (34,995) |

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