Allowance for Doubtful Accounts

12 Months Ended

Sep. 30, 2016

Allowance for Doubtful Accounts

Allowance for Doubtful Accounts

8. Allowance for Doubtful Accounts

The change in the allowance for doubtful accounts was as follows (in thousands):

	Year Ended September 30,
	2016			2015			2014
Balance at beginning of period	$	1,162		$	1,752		$	2,556
Bad debt expense		1,939			2,282			1,175
Uncollected accounts written off, net of recoveries		(1,694	)		(2,872	)		(1,979	)
Balance at end of period	$	1,407		$	1,162		$	1,752