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SCHEDULE II — VALUATION AND QUALIFYING ACCOUNTS AND RESERVES (Details) - USD ($)
$ in Thousands
 12 Months Ended
Aug. 31, 2023
Aug. 31, 2022
Aug. 31, 2021
Allowance for doubtful accounts      
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]      
Balance at Beginning of Period $ 4,990 $ 5,553 $ 9,597
Additions, Charged to Cost and Expense 463 300 (1,429)
Additions, Charged to Other Accounts 157 193 138
Deductions, Charged to Cost and Expense 0 0 0
Deductions, Charged to Other Accounts (1,475) (1,056) (2,753)
Balance at End of Period 4,135 4,990 5,553
Deferred tax valuation allowance      
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]      
Balance at Beginning of Period 268,547 278,099 281,849
Additions, Charged to Cost and Expense 16,514 3,328 20,058
Additions, Charged to Other Accounts 0 0 0
Deductions, Charged to Cost and Expense (4,598) (12,880) (23,808)
Deductions, Charged to Other Accounts 0 0 0
Balance at End of Period $ 280,463 $ 268,547 $ 278,099