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, 2021
Sep. 30, 2020
Sep. 30, 2019
Allowance for Doubtful Accounts      
Valuation and qualifying accounts [Roll Forward]      
Balance at Beginning of Period $ 9,618 $ 10,846 $ 11,158
Additions charged to expense   1,736 2,787
Additions charged to other Accounts 0 15 20
Deductions   (2,979) (3,119)
Balance at End of Period   9,618 10,846
Deferred Tax Asset Valuation Allowance      
Valuation and qualifying accounts [Roll Forward]      
Balance at Beginning of Period 22,527 15,352 15,188
Additions charged to expense 5,709 6,982 821
Additions charged to other Accounts 0 0 0
Deductions 383 193 (657)
Balance at End of Period $ 28,619 $ 22,527 $ 15,352