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Employee Retirement Plans and Post-Retirement Medical Benefits (Tables) | 12 Months Ended
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Dec. 31, 2022
Retirement Benefits [Abstract] |
Funded Status of Retiree Medical Plan | The funded status of the Retiree Medical Plan is as follows:
|  |  | Retiree Medical Plan |
|  |  | December 31, 2022 |  |  | December 25, 2021 |
Benefit obligation at end of period |  |  | $ | 757 |  |  | $ | 1,040 |
Unfunded Status |  |  | $ | 757 |  |  | $ | 1,040 |

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- Definition Tabular disclosure of net funded status of pension plans and/or other employee benefit plans. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 + Details
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