Allowance for Doubtful Accounts (Tables)

12 Months Ended

Sep. 30, 2013

Allowance for Doubtful Accounts

Schedule of change in the allowance for doubtful accounts

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

	Year Ended September 30,
	2013			2012			2011
Balance at beginning of period	$	2,583		$	2,086		$	2,756
Bad debt expense		1,671			1,764			1,631
Uncollected accounts written off, net of recoveries		(1,698	)		(1,336	)		(2,423	)
Allowance for doubtful accounts of acquired companies		—			69			122
Balance at end of period	$	2,556		$	2,583		$	2,086