Current Assets and Current Liabilities (Tables)

12 Months Ended

Sep. 30, 2013

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, 2013.

(in thousands)	Balance at beginning of year		Charged to expense		Reclassified to assets held for sale			Accounts written off			Balance at end of year
2011	$	3,520	$	1,008	$	(826	)	$	(764	)	$	2,938
2012		2,938		532		0			(1,047	)		2,423
2013		2,423		1,302		0			(948	)		2,777

Schedule of components of inventory

Inventories—Inventories consisted of the following at September 30:

(in thousands)	2012		2013
Raw materials	$	8,021	$	9,909
Finished goods		23,567		27,474
	$	31,588	$	37,383

Schedule of other accrued liabilities

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

(in thousands)	2012		2013
Products and services received but not yet invoiced	$	22,183	$	24,355
Litigation		18,012		16,012
Other		10,751		14,901
	$	50,946	$	55,268