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Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 25, 2021
--- | --- | ---
Deferred tax assets: |  |
Accounts receivable | $ 1,195 | $ 951
Employment incentives | 6,329 | 6,886
Self-insurance liability | 8,717 | 9,324
Postretirement benefit obligations | 5,963 | 7,412
Net operating loss and credit carryforwards | 5,009 | 6,202
Unrecognized tax benefits | 2,869 | 2,108
Other | 1,101 | 1,830
Total deferred tax assets | 31,183 | 34,713
Deferred tax liabilities: |  |
Inventories | (13,398) | (16,038)
Unrealized gains on marketable securities | 1,280 | (2,177)
Prepaids | (5,570) | (6,365)
Depreciation | (124,720) | (125,220)
Total deferred tax liabilities | (142,408) | (149,800)
Net deferred tax liability | $ (111,225) | $ (115,087)

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