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VALUATION AND QUALIFYING ACCOUNTS
 12 Months Ended
Sep. 30, 2015
Valuation and Qualifying Accounts [Abstract]  
VALUATION AND QUALIFYING ACCOUNTS
VALUATION AND QUALIFYING ACCOUNTS
YEARS ENDED SEPTEMBER 30, 2015, 2014 and 2013

Valuation allowance for Deferred tax assets
 
ADDITIONS
 
 
CLASSIFICATION
BEGINNING
BALANCE
CHARGED TO
EXPENSE
OTHER (1)
ENDING BALANCE
2015
 
 
 
 
Allowance for doubtful accounts
$
5,357

2,859

(3,027
)
$
5,189

2014
 
 
 
 
Allowance for doubtful accounts
$
5,330

2,504

(2,477
)
$
5,357

2013
 
 
 
 
Regulatory asset
$
71

(71
)
—

$
—

Allowance for doubtful accounts
$
4,797

2,627

(2,094
)
$
5,330

(1)
Uncollectible accounts written off, less recoveries and adjustments.