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, 2019
Sep. 30, 2018
Sep. 30, 2017
Allowance for Doubtful Accounts      
Valuation and qualifying accounts [Roll Forward]      
Balance at Beginning of Period $ 11,158 $ 11,622 $ 11,516
Additions charged to expense 2,787 855 1,733
Additions charged to other Accounts 20 762 642
Deductions (3,119) (2,081) (2,269)
Balance at End of Period 10,846 11,158 11,622
Deferred Tax Asset Valuation Allowance      
Valuation and qualifying accounts [Roll Forward]      
Balance at Beginning of Period 15,188 21,917 23,463
Additions charged to expense 821 2,482 (1,279)
Additions charged to other Accounts 0 (8,510) 0
Deductions (657) (701) (267)
Balance at End of Period $ 15,352 $ 15,188 $ 21,917