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Retirement Benefits (Estimated future benefit payments) (Details) $ in Thousands | Dec. 29, 2023 USD ($)
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Pension Benefits |
Estimated future benefit payments |
2024 | $ 7,165
2025 | 6,455
2026 | 9,455
2027 | 11,380
2028 | 11,270
Years 2029-2033 | 67,316
Postretirement Medical Benefits |
Estimated future benefit payments |
2024 | 1,745
2025 | 1,717
2026 | 1,689
2027 | 1,697
2028 | 1,670
Years 2029-2033 | $ 7,974

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