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
3 Months Ended 12 Months Ended
Dec. 31, 2014
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2014
Allowance for Doubtful Accounts        
Valuation and qualifying accounts [Roll Forward]        
Balance at Beginning of Period $ 10,937 $ 10,015 $ 10,937 $ 10,009
Additions charged to expense   3,055 2,101 2,223
Additions charged to other Accounts   435 (134) 883
Deductions   (1,989) (2,889) (2,178)
Balance at End of Period   11,516 10,015 10,937
Deferred Tax Asset Valuation Allowance        
Valuation and qualifying accounts [Roll Forward]        
Balance at Beginning of Period 24,540 20,977 24,540 2,234
Additions charged to expense   2,438 399 1,224
Additions charged to other Accounts   0 (1,705) 22,098
Deductions   (1,003) (2,257) (1,016)
Balance at End of Period   $ 22,412 $ 20,977 24,540
Purchase accounting adjustments $ 23,430      
Valuation Allowance, Operating Loss Carryforwards        
Valuation and qualifying accounts [Roll Forward]        
Deductions       $ 1,332