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Product Warranty Obligation (Tables)
12 Months Ended
Sep. 30, 2020
Product Warranties Disclosures [Abstract]  
Schedule of Product Warranty Accrual
The following table summarizes the activity associated with the product warranty accrual (in thousands) and is listed on our Consolidated Balance Sheets within current liabilities:
 Balance atWarrantiesSettlementsBalance at
Fiscal yearOctober 1accruedmadeSeptember 30
2020$1,012 $666 $(736)$942 
2019$1,172 $305 $(465)$1,012 
2018$987 $759 $(574)$1,172