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VALUATION AND QUALIFYING ACCOUNTS
 12 Months Ended
Sep. 30, 2018
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]  
VALUATION AND QUALIFYING ACCOUNTS
VALUATION AND QUALIFYING ACCOUNTS
YEARS ENDED SEPTEMBER 30, 2018, 2017 and 2016

(Thousands)
 
ADDITIONS
 
 
CLASSIFICATION
BEGINNING
BALANCE
CHARGED TO
EXPENSE
OTHER (1)
ENDING BALANCE
2018
 
 
 
 
Allowance for doubtful accounts
$
5,181

2,579

(2,056
)
$
5,704

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


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