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Product Warranty Costs (Tables)
3 Months Ended
Nov. 30, 2020
Guarantees [Abstract]  
Schedule of Product Warranty Liability The following summarizes the changes in product warranty reserves for the three months ended November 30, 2020 and 2019, respectively (in thousands):
 Three Months Ended November 30,
 20202019
Beginning balance$892 $1,145 
Provision for warranties464 211 
Warranty payments and costs incurred(399)(206)
Impact of changes in foreign currency rates(25)
Ending balance$959 $1,125