Income Taxes (Unrecognized Tax Benefits) (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
---|---|---|---|
Sep. 30, 2021 |
Sep. 30, 2020 |
Sep. 30, 2019 |
|
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward] | |||
Unrecognized tax benefits, beginning balance | $ 2,600 | $ 1,713 | $ 1,561 |
Increases related to prior year income tax positions | 40 | 756 | 9 |
Increases related to current year income tax positions | 507 | 425 | 314 |
Decreases related to prior year income tax positions | (155) | 0 | (34) |
Decreases related to settlements | 0 | (7) | 0 |
Decreases related to expiration of statute of limitations | (84) | (287) | (137) |
Unrecognized tax benefits, ending balance | $ 2,908 | $ 2,600 | $ 1,713 |