Current Assets and Current Liabilities (Tables)

12 Months Ended

Sep. 30, 2014

Current Assets and Current Liabilities

Schedule of allowance for trade receivables

Receivables—Activity in the trade receivables allowance account was as follows for the three-year period ended September 30, 2014.

(in thousands)	Balance at beginning of year		Charged to expense		Accounts written off			Balance at end of year
2012	$	2,938	$	532	$	(1,047	)	$	2,423
2013		2,423		1,302		(948	)		2,777
2014		2,777		2,022		(1,261	)		3,538

Schedule of components of inventory

Inventories—Inventories consisted of the following at September 30:

(in thousands)	2013		2014
Raw materials	$	9,909	$	12,017
Finished goods		27,474		38,616
	$	37,383	$	50,633

Schedule of other accrued liabilities

Other Accrued Liabilities—Other accrued liabilities consisted of the following at September 30:

(in thousands)	2013		2014
Products and services received but not yet invoiced	$	24,355	$	19,870
Litigation		16,012		2,795
Other		14,901		19,092
	$	55,268	$	41,757