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Income Taxes - Tax Effects of Temporary Differences that give rise to Significant Portions of Deferred Tax Assets and Deferred Tax Liabilities (Detail) - USD ($) $ in Thousands | Aug. 31, 2021 | Aug. 31, 2020
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Deferred tax assets: |  |
Accrued payroll and related liabilities | $ 23,724 | $ 20,702
Deferred revenue | 7,375 | 7,943
Inventories and other | 16,760 | 17,191
Maintenance and warranty accruals | 2,538 | 3,044
Lease liability | 8,546 | 8,788
Net operating losses | 15,929 | 12,247
Investment, asset tax credits and other | 1,287 | 1,576
Deferred Tax Assets, Gross, Total | 76,159 | 71,491
Valuation allowance | (10,356) | (9,195)
Deferred tax liabilities: |  |
Fixed assets | (106,051) | (53,180)
Original issue discount | (17,106) | (4,992)
Intangibles | (3,014) | (2,820)
Right-of-use asset | (8,921) | (9,005)
Other | (3,960) |
Deferred Tax Liabilities, Gross, Total | (139,052) | (69,997)
Net deferred tax liability | $ (73,249) | $ (7,701)

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