Contingencies - Warranty (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
---|---|---|---|---|
Mar. 31, 2022 |
Mar. 31, 2021 |
Mar. 31, 2022 |
Mar. 31, 2021 |
|
Commitments and Contingencies Disclosure [Abstract] | ||||
Standard product warranty length, minimum | 1 year | |||
Standard product warranty length, maximum | 2 years | |||
Limited product warranty length (up to) | 10 years | |||
Movement in Standard Product Warranty Accrual [Roll Forward] | ||||
Balance at beginning of period | $ 12,743 | $ 12,616 | $ 12,931 | $ 13,052 |
Accruals for warranties issued | 2,811 | 2,783 | 5,183 | 5,037 |
Net changes in liability related to warranties existing in prior periods | (512) | (57) | 22 | 320 |
Payments made | (2,361) | (2,921) | (5,455) | (5,988) |
Balance at end of period | $ 12,681 | $ 12,421 | $ 12,681 | $ 12,421 |