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Detail of Selected Balance Sheet Accounts - Activity in Product Warranty Accrual (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Movement in Standard Product Warranty Accrual [Roll Forward]        
Balance at beginning of period $ 2,711 $ 2,347 $ 2,345 $ 2,531
Increase to warranty expense 1,241 462 2,931 1,077
Deduction for warranty charges (760) (499) (2,095) (1,303)
Change due to foreign currency translation 10 (22) 21 (17)
Balance at end of period $ 3,202 $ 2,288 $ 3,202 $ 2,288