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Significant Components of Company's Deferred Tax Assets and Liabilities (Detail) - USD ($) $ in Thousands | Dec. 26, 2020 | Dec. 28, 2019
--- | --- | ---
Deferred tax assets: |  |
Lease Liabilities | $ 17,951 | $ 15,567
Inventory | 2,525 | 5,868
Stock-based compensation expense | 5,568 | 5,818
Accrued expenses | 3,171 | 3,232
Other | 2,212 | 1,914
Total deferred tax assets | 31,427 | 32,399
Valuation allowance | (2,022) | (1,866)
Total deferred tax assets net of valuation allowance | 29,405 | 30,533
Deferred tax liabilities: |  |
Property, plant and equipment | (88,947) | (78,232)
Right-of-use Assets | (15,695) | (14,203)
Amortization | (12,900) | (10,899)
Prepaid expenses | (4,528) | (2,209)
Total deferred tax liabilities | (122,070) | (105,543)
Net deferred tax liabilities | $ (92,665) | $ (75,010)

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