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Valuation And Qualifying Accounts
 12 Months Ended
Sep. 30, 2014
Valuation and Qualifying Accounts [Abstract]  
Valuation And Qualifying Accounts
Schedule II — Valuation and Qualifying Accounts
 
Description
Balance at Beginning of Period
 
Additions Charged to Costs and Expenses
 
Additions Charged to Other Accounts(1)
 
Deductions (2)
 
Balance at End of Period
Year Ended September 30, 2014
 
 
 
 
 
 
 
 
 
Allowance for Uncollectible Accounts
$
27,144

 
$
10,856

 
$
3,241

 
$
9,430

 
$
31,811

Year Ended September 30, 2013
 
 
 
 
 
 
 
 
 
Allowance for Uncollectible Accounts
$
30,317

 
$
5,568

 
$
2,390

 
$
11,131

 
$
27,144

Year Ended September 30, 2012
 
 
 
 
 
 
 
 
 
Allowance for Uncollectible Accounts
$
31,039

 
$
9,183

 
$
1,946

 
$
11,851

 
$
30,317

 
(1)
Represents the discount on accounts receivable purchased in accordance with the Utility segment’s 2005 New York rate agreement.
(2)
Amounts represent net accounts receivable written-off.