Valuation and Qualifying Accounts

12 Months Ended

Sep. 30, 2019

Valuation and Qualifying Accounts

Valuation and Qualifying Accounts

Note 15.  Valuation and Qualifying Accounts

	Balance at	Charges		Balance at
	Beginning	(credits) to		End of
	of Period	Expense	Deductions(1)	Period
Allowance for doubtful accounts receivables:
September 30, 2019	1,130	530	(1,219)	441
September 30, 2018	620	688	(178)	1,130
September 30, 2017	402	228	(10)	620

⁽¹⁾ Uncollectible accounts written off net of recoveries.