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Product Warranty Costs (Tables)
3 Months Ended
Nov. 30, 2021
Guarantees [Abstract]  
Schedule of Product Warranty Liability The following summarizes the changes in product warranty reserves for the three months ended November 30, 2021 and 2020, respectively (in thousands):
 Three Months Ended November 30,
 20212020
Beginning balance$1,300 $892 
Provision for warranties395 464 
Warranty payments and costs incurred(230)(399)
Impact of changes in foreign currency rates(31)
Ending balance$1,434 $959