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Income Taxes - Deferred Tax Assets and Deferred Tax Liabilities (Details) - USD ($) $ in Thousands | Dec. 25, 2021 | Dec. 26, 2020
--- | --- | ---
Deferred tax assets: |  |
Inventories | $ 15,153 | $ 13,910
Other postretirement benefits and accrued items | 8,382 | 11,477
Other reserves | 9,962 | 7,782
Foreign tax attributes | 6,410 | 6,250
State tax attributes, net of federal benefit | 12,043 | 21,178
Stock-based compensation | 3,608 | 3,751
Right of use liability | 4,988 | 6,034
Basis difference in unconsolidated affiliates | 7,690 | 8,478
Total deferred tax assets | 68,236 | 78,860
Less valuation allowance | (26,624) | (27,199)
Deferred tax assets, net of valuation allowance | 41,612 | 51,661
Deferred tax liabilities: |  |
Property, plant, and equipment | 45,804 | 48,990
Right of use asset | 5,099 | 6,157
Other liabilities | 1,765 | 638
Total deferred tax liabilities | 52,668 | 55,785
Net deferred tax liabilities | $ (11,056) | $ (4,124)

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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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