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VALUATION AND QUALIFYING ACCOUNTS
 12 Months Ended
Sep. 30, 2017
Valuation and Qualifying Accounts [Abstract]  
VALUATION AND QUALIFYING ACCOUNTS
VALUATION AND QUALIFYING ACCOUNTS
YEARS ENDED SEPTEMBER 30, 2017, 2016 and 2015

(Thousands)
 
ADDITIONS
 
 
CLASSIFICATION
BEGINNING
BALANCE
CHARGED TO
EXPENSE
OTHER (1)
ENDING BALANCE
2017
 
 
 
 
Allowance for doubtful accounts
$
4,865

2,023

(1,707
)
$
5,181

2016
 
 
 
 
Allowance for doubtful accounts
$
5,189

1,616

(1,940
)
$
4,865

2015
 
 
 
 
Allowance for doubtful accounts
$
5,357

2,859

(3,027
)
$
5,189


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