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Warranties (Schedule of Product Warranty Liability) (Details) - USD ($)
$ in Thousands
12 Months Ended
Aug. 31, 2021
Aug. 31, 2020
Product Warranties Disclosures [Abstract]    
Product warranty accrual balance, beginning of period $ 10,765 $ 8,960
Liabilities accrued for warranties during the period 7,286 7,895
Warranty claims paid during the period (5,454) (6,970)
Changes in estimates 139 880
Product warranty accrual balance, end of period $ 12,736 $ 10,765