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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
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)