Goodwill and Other Identifiable Intangible Assets, Net (Tables)

9 Months Ended

Jun. 30, 2015

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Amortizable Identifiable Intangible Assets

Amortizable identifiable intangible assets were (in thousands):

	June 30, 2015							September 30, 2014
	Gross carrying amount		Accum. amort.			Net		Gross carrying amount		Accum. amort.			Net
Purchased and core technology	$	45,659	$	(45,510	)	$	149	$	45,952	$	(45,162	)	$	790
License agreements	—		—			—		2,440		(2,440		)	—
Patents and trademarks	11,993		(10,560		)	1,433		11,667		(9,799		)	1,868
Customer relationships	18,609		(15,915		)	2,694		18,894		(15,445		)	3,449
Non-compete agreements	1,100		(587		)	513		1,100		(422		)	678
Order backlog	—		—			—		360		(360		)	—
Total	$	77,361	$	(72,572	)	$	4,789	$	80,413	$	(73,628	)	$	6,785

Schedule of Estimated Amortization Expense Related to Identifiable Intangible Assets

Estimated amortization expense related to identifiable intangible assets for the remainder of fiscal 2015 and the five succeeding fiscal years is (in thousands):

2015 three months	$	625
2016	1,926
2017	896
2018	487
2019	451
2020	168

Schedule of Changes in Carrying Amount of Goodwill

The changes in the carrying amount of goodwill are (in thousands):

	Nine months ended June 30,
	2015			2014
Beginning balance, October 1	$	103,398		$	103,569
Foreign currency translation adjustment	(901		)	760
Ending balance, June 30	$	102,497		$	104,329