Intangible Assets (Tables)

12 Months Ended

Sep. 30, 2012

Finite-Lived Intangible Assets [Abstract]

Schedule of Finite-Lived Intangible Assets by Major Class

The following table presents the components of our intangible assets as of September 30, 2012 and 2011:

	September 30, 2012							September 30, 2011
Description	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Trade name and trademarks	$	3,125	$	(878	)	$	2,247	$	2,926	$	(457	)	$	2,469
Technology	25,396		(18,093		)	7,303		24,848		(13,117		)	11,731
Customer relationships	126,123		(29,778		)	96,345		57,995		(17,016		)	40,979
Total	$	154,644	$	(48,749	)	$	105,895	$	85,769	$	(30,590	)	$	55,179

Schedule of Expected Amortization Expense

The following table outlines the estimated future amortization expense related to intangible assets held at September 30, 2012:

Year Ended September 30,	Amortization of Intangible Assets
2013	$	17,392
2014	15,952
2015	15,845
2016	13,491
2017	12,004
Thereafter	31,211
Total	$	105,895