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Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands | Dec. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Deferred tax assets: |  |
Accounts receivable | $ 540 | $ 1,195
Employment incentives | 4,855 | 6,329
Self-insurance liability | 9,155 | 8,717
Postretirement benefit obligations | 6,565 | 5,963
Net operating loss and credit carryforwards | 2,153 | 5,009
Unrecognized tax benefits | 1,341 | 2,869
174 R&D Capitalization | 2,307 | 426
Other | 683 | 675
Total deferred tax assets | 27,599 | 31,183
Deferred tax liabilities: |  |
Inventories | (12,225) | (13,398)
Unrealized gains on marketable securities | (554) | 1,280
Prepaids | (6,290) | (5,570)
Depreciation | (126,621) | (124,720)
Total deferred tax liabilities | (145,690) | (142,408)
Net deferred tax liability | $ (118,091) | $ (111,225)

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