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Shareholders' Equity (Tables) | 12 Months Ended
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Dec. 31, 2021
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 29, 2018 | $ | (86,889) |  |  | $ | (57,968) |  |  | $ | (144,857) |
Other comprehensive income (loss) before reclassifications | (33,938) |  |  | 1,902 |  |  | (32,036) |
Amounts reclassified from accumulated other comprehensive income | 7,106 |  |  | — |  |  | 7,106 |
Balance, December 27, 2019 | (113,721) |  |  | (56,066) |  |  | (169,787) |
Other comprehensive income (loss) before reclassifications | (7,852) |  |  | 46,030 |  |  | 38,178 |
Amounts reclassified from accumulated other comprehensive income | 7,444 |  |  | — |  |  | 7,444 |
Balance, December 25, 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) |

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