Annual report pursuant to Section 13 and 15(d)

SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS (Details)

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SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS (Details) - USD ($)
$ in Thousands
 12 Months Ended
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