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SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS (Details) - USD ($) $ in Thousands | 12 Months Ended
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Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2022
Deferred Tax Assets, Net Operating Loss |  |  |
Valuation and qualifying accounts [Roll Forward] |  |  |
Valuation allowance, increase (decrease) | $ 26,184 |  | $ 3,704
Deferred Tax Assets, Dissolved |  |  |
Valuation and qualifying accounts [Roll Forward] |  |  |
Valuation allowance, increase (decrease) |  |  | 5,004
Deferred Tax Assets, Additions to Foreign Exchange |  |  |
Valuation and qualifying accounts [Roll Forward] |  |  |
Valuation allowance, increase (decrease) | 1,606 |  |
Allowance for Doubtful Accounts: |  |  |
Valuation and qualifying accounts [Roll Forward] |  |  |
Balance at Beginning of Period | 10,784 | $ 10,138 | 10,654
Charged to Expense | 2,696 | 1,625 | 1,368
Charged to other Accounts | 0 | 0 | 0
Deductions | (1,425) | (979) | (1,884)
Balance at End of Period | 12,055 | 10,784 | 10,138
Deferred Tax Asset Valuation Allowance: |  |  |
Valuation and qualifying accounts [Roll Forward] |  |  |
Balance at Beginning of Period | 22,506 | 27,552 | 28,619
Charged to Expense | 24,152 | (4,709) | (1,300)
Charged to other Accounts | 0 | 0 | 0
Deductions | (1,196) | (337) | 233
Balance at End of Period | 45,462 | $ 22,506 | $ 27,552
Valuation allowance, increase (decrease) | 2,032 |  |
Deferred Tax Asset Valuation Allowance: | Deferred Tax Assets, Held For Sale Asset Write-Downs |  |  |
Valuation and qualifying accounts [Roll Forward] |  |  |
Valuation allowance, increase (decrease) | $ 2,802 |  |

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- Definition SEC Schedule, 12-09, Valuation Allowances and Reserves, (Deduction) Addition + References No definition available. + Details
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- Definition Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-2 + Details
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- Definition Amount of valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09(Column B)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480678/235-10-S99-4 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09(Column E)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480678/235-10-S99-4 + Details
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