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Income Taxes - Deferred Tax Assets and Deferred Tax Liabilities (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 25, 2021
--- | --- | ---
Deferred tax assets: |  |
Inventories | $ 16,829 | $ 15,153
Other postretirement benefits and accrued items | 7,260 | 8,382
Other reserves | 8,046 | 9,962
Foreign tax attributes | 5,750 | 6,410
State tax attributes, net of federal benefit | 8,063 | 12,043
Stock-based compensation | 5,249 | 3,608
Lease liability | 4,540 | 4,988
Basis difference in unconsolidated affiliates | 6,881 | 7,690
Total deferred tax assets | 62,618 | 68,236
Less valuation allowance | (21,505) | (26,624)
Deferred tax assets, net of valuation allowance | 41,113 | 41,612
Deferred tax liabilities: |  |
Property, plant, and equipment | 44,001 | 45,804
Lease asset | 4,970 | 5,099
Other liabilities | 2,918 | 1,765
Total deferred tax liabilities | 51,889 | 52,668
Net deferred tax liabilities | $ (10,776) | $ (11,056)

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- Definition The cumulative amount of future tax effects arising from the unused tax credit carryforward that cannot be utilized on the tax return during a year that may be carried forward to reduce taxable income or taxes payable in a future year; a tax credit carryforward is the amount by which tax credits available for utilization exceed statutory limitations. + References No definition available. + Details
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