Accounts Receivable (Tables)

12 Months Ended

Sep. 30, 2012

Receivables [Abstract]

Schedule of Accounts, Notes, Loans and Financing Receivable

The components of accounts receivable consisted of the following:

(in thousands)	As of			As of
	September 30, 2012			September 30, 2011
Accounts receivable	$	33,893		$	33,938
Accounts receivable – unbilled	6,325			4,269
Accounts receivable, gross	40,218			38,207
Allowance for doubtful accounts	(3,279		)	(3,332		)
Accounts receivable, net	$	36,939		$	34,875

Allowance for Doubtful Accounts

The following table summarizes the changes in the allowance for doubtful accounts within accounts receivable:

Allowance for Doubtful Accounts (in thousands)	For the Fiscal Years Ended September 30,
	2012			2011			2010
Balance at beginning of period	$	3,332		$	8,399		$	7,125
Provision adjustment - expense, net of recoveries	(53		)	30			2,238
Reclass of amount to a long-term receivables account	—			(5,253		)	—
Impact from foreign exchange translation adjustment	—			181			103
Write-offs - deductions against receivables	—			(25		)	(1,067		)
Balance at end of period	$	3,279		$	3,332		$	8,399