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Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands | Jan. 27, 2024 | Jan. 28, 2023
--- | --- | ---
Deferred tax assets: |  |
Capitalized research expenditures (IRC Section 174) | $ 38,689 | $ 19,498
Insurance and other reserves | 25,865 | 22,866
Leases | 19,380 | 17,096
Stock-based compensation | 4,722 | 3,577
Allowance for doubtful accounts and reserves | 3,203 | 2,984
Net operating loss carryforwards | 238 | 591
Other | 3,686 | 5,080
Total deferred tax assets | 95,783 | 71,692
Valuation allowance | (79) | (634)
Deferred tax assets, net of valuation allowance | 95,704 | 71,058
Deferred tax liabilities: |  |
Property and equipment | 86,105 | 77,024
Goodwill and intangibles | 38,381 | 36,132
Leases | 19,439 | 17,178
Other | 1,341 | 929
Deferred tax liabilities | 145,266 | 131,263
Net deferred tax liabilities | $ 49,562 | $ 60,205

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