Intangible Assets (Tables)

12 Months Ended

Sep. 30, 2013

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Finite-Lived Intangible Assets by Major Class

The following table presents the components of our intangible assets as of the dates specified below:

	September 30, 2013							September 30, 2012
Description	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Trade name and trademarks	$	3,886	$	(1,368	)	$	2,518	$	3,125	$	(878	)	$	2,247
Technology	45,694		(22,427		)	23,267		25,396		(18,093		)	7,303
Customer relationships	141,586		(44,074		)	97,512		126,123		(29,778		)	96,345
Total	$	191,166	$	(67,869	)	$	123,297	$	154,644	$	(48,749	)	$	105,895

Schedule of Expected Amortization Expense

The following table presents the estimated future amortization expense related to intangible assets held at September 30, 2013:

Year Ended September 30,	Amortization of Intangible Assets
2014	$	20,874
2015	20,729
2016	18,375
2017	16,857
2018	15,734
Thereafter	30,728
Total	$	123,297