Goodwill and Acquired Intangible Assets (Tables)

12 Months Ended

Sep. 30, 2014

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and acquired intangible assets consisted of the following:



	September 30, 2014						September 30, 2013
	Gross Carrying Amount		Accumulated Amortization		Net Book Value		Gross Carrying Amount		Accumulated Amortization		Net Book Value
	(in thousands)
Goodwill (not amortized)					$	1,012,527					$	769,095
Intangible assets with finite lives (amortized) (1):
Purchased software	$	278,012	$	162,259	$	115,753	$	233,566	$	148,127	$	85,439
Capitalized software	22,877		22,877		—		22,877		22,877		—
Customer lists and relationships	360,530		147,469		213,061		304,434		120,338		184,096
Trademarks and trade names	18,479		10,964		7,515		13,427		10,097		3,330
Other	4,117		3,573		544		3,784		3,528		256
	$	684,015	$	347,142	$	336,873	$	578,088	$	304,967	$	273,121
Total goodwill and acquired intangible assets					$	1,349,400					$	1,042,216

(1) The weighted average useful lives of purchased software, customer lists and relationships, trademarks and trade names and other intangible assets with a remaining net book value are 9 years, 10 years, 9 years and 3 years, respectively.

Schedule Of Movements in Goodwill by Reportable Segment

Changes in goodwill presented by reportable segment were as follows:



	Software Products Segment			Services Segment			Total
	(in thousands)
Balance, October 1, 2012	$	585,469		$	24,878		$	610,347
Acquisition of Servigistics	127,033			12,800			139,833
Acquisition of NetIDEAS	—			10,196			10,196
Acquisition of Enigma	3,570			581			4,151
Foreign currency translation	4,476			92			4,568
Balance, September 30, 2013	720,548			48,547			769,095
Acquisition of ThingWorx	102,190			—			102,190
Acquisition of Atego	27,256			—			27,256
Acquisition of Axeda	126,034			4,409			130,443
Foreign currency translation	(16,260		)	(197		)	(16,457		)
Balance, September 30, 2014	$	959,768		$	52,759		$	1,012,527

Amortization Of Intangible Assets

The aggregate amortization expense for intangible assets with finite lives recorded for the years ended September 30, 2014, 2013 and 2012 was reflected in our consolidated statements of operations as follows:



	Year ended September 30,
	2014		2013		2012
	(in thousands)
Amortization of acquired intangible assets	$	32,127	$	26,486	$	20,303
Cost of license revenue	17,746		18,586		15,819
Cost of service revenue	366		—		—
Total amortization expense	$	50,239	$	45,072	$	36,122