Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Sep. 30, 2013

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of change in the carrying value of goodwill

The change in the carrying value of goodwill is as follows:

	Amount
	(in thousands)
Balance at September 30, 2011	$	—
Acquisitions	17,949
Balance at September 30, 2012	17,949
Acquisition	5,988
Balance at September 30, 2013	$	23,937

Schedule of carrying amount and accumulated amortization of identifiable intangible assets

The carrying amount and accumulated amortization of identifiable intangible assets consisted of the following:

	As of September 30,
	2013						2012
	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
	(in thousands)
Developed product technologies	$	5,290	$	2,275	$	3,015	$	2,640	$	806	$	1,834
Customer relationships	5,310		965		4,345		4,330		387		3,943
Trademarks	1,560		550		1,010		1,150		218		932
Covenants not to compete	1,930		919		1,011		1,400		387		1,013
	$	14,090	$	4,709	$	9,381	$	9,520	$	1,798	$	7,722

Schedule of estimated amortization expense

The estimated amortization expense for the five succeeding years and thereafter at September 30, 2013 is as follows:

	Amount
	(in thousands)
2014	$	3,239
2015	2,400
2016	1,264
2017	650
2018	498
Thereafter	1,330
	$	9,381