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v3.22.2.2

Income Taxes (Narrative) (Details) - USD ($) $ in Thousands | 12 Months Ended | 21 Months Ended
--- | --- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2022
Income Taxes [Line Items] |  |  |  |
Statutory tax rate | 21.00% | 21.00% | 21.00% | 21.00%
Net operating loss deferred tax asset, foreign | $ 3,449 | $ 2,110 |  | $ 3,449
Tax credits and incentives | 25,623 | 22,756 |  | 25,623
Undistributed foreign earnings not provided for taxes | 346,000 |  |  | 346,000
Unrecognized tax benefits that, if recognized, would affect the effective tax rate | 8,092 | $ 8,724 |  | 8,092
Possible decrease in unrecognized tax benefits liability | $ 4,203 |  |  | $ 4,203
Domestic Tax Authority [Member] |  |  |  |
Income Taxes [Line Items] |  |  |  |
Year remaining open to tax examination |  |  | 2019 |
Internal Revenue Service (IRS) [Member] |  |  |  |
Income Taxes [Line Items] |  |  |  |
Year remaining open to tax examination |  |  | 2017 |
Foreign Jurisdiction [Member] |  |  |  |
Income Taxes [Line Items] |  |  |  |
Year remaining open to tax examination |  |  | 2017 |
State and Local Jurisdiction [Member] |  |  |  |
Income Taxes [Line Items] |  |  |  |
Year remaining open to tax examination |  |  | 2018 |

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