Purchased Intangible Assets (Tables)

12 Months Ended

Sep. 30, 2012

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Finite-Lived Intangible Assets by Major Class

The following tables present details of the Company’s total purchased intangible assets:

	Gross		Accumulated Amortization		Net
	(in thousands)
September 30, 2012
Developed technology	$	4,930	$	879	$	4,051
In-process technology (IPR&D)	400		$	—	400
Customer relationships	3,340		$	9	3,331
Other	450		6		444
Total	$	9,120	$	894	$	8,226
September 30, 2011
Developed technology	$	6,760	$	1,028	$	5,732
In-process technology (IPR&D)	1,595		$	—	1,595
Customer relationships	3,800		$	506	3,294
Other	570		110		460
Total	$	12,725	$	1,644	$	11,081

Schedule of amorization expense of purchased intangible assets as reported in the consolidated statements of income

The following table presents details of the amortization expense of purchased intangible assets as reported in the Consolidated Statements of Operations:

	Years Ended September 30,
	2012		2011		2010
	(in thousands)
Reported as:
Cost of sales	$	984	$	1,082	$	944
Operating expenses	864		616		75
Total	$	1,848	$	1,698	$	1,019

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense

Fiscal year
2013	$	1,579
2014	1,466
2015	1,315
2016	1,172
2017	1,172
Thereafter	1,122
Total	$	7,826

Schedule of Goodwill

The following table provides details regarding the changes in the Company's goodwill:

	(in thousands)
Balance at September 30, 2009	$	1,251
Addition arising from acquisition of Enable	50
Balance at September 30, 2010	1,301
Addition arising from acquisition of Si En	8,162
Balance at September 30, 2011	9,463
Addition arising from acquisition of Chingis	3,976
Impairment	(4,261		)
Balance at September 30, 2012	$	9,178