Goodwill and Intangible Assets (Tables)

6 Months Ended

Mar. 29, 2014

Goodwill and Intangible Assets Disclosure [Abstract]

Changes in goodwill presented by reportable segment were as follows:



	Software Products Segment			Services Segment		Total
	(in thousands)
Balance, October 1, 2013	$	720,548		$	48,547	$	769,095
Acquisition of ThingWorx	102,190			—		102,190
Foreign currency translation adjustments	(1,993		)	32		(1,961		)
Balance, March 29, 2014	$	820,745		$	48,579	$	869,324

Goodwill and Acquired Intangible Assets

Goodwill and acquired intangible assets consisted of the following:



	March 29, 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)					$	869,324					$	769,095
Intangible assets with finite lives (amortized) (1):
Purchased software	$	255,412	$	157,818	$	97,594	$	233,566	$	148,127	$	85,439
Capitalized software	22,877		22,877		—		22,877		22,877		—
Customer lists and relationships	312,526		135,949		176,577		304,434		120,338		184,096
Trademarks and trade names	15,797		10,640		5,157		13,427		10,097		3,330
Other	4,193		3,620		573		3,784		3,528		256
	$	610,805	$	330,904	$	279,901	$	578,088	$	304,967	$	273,121
Total goodwill and acquired intangible assets					$	1,149,225					$	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 8 years, 10 years, 8 years, and 3 years, respectively.

Amortization of Intangible Assets

The aggregate amortization expense for intangible assets with finite lives was classified in our consolidated statements of operations as follows:



	Three months ended				Six months ended
	March 29, 2014		March 30, 2013		March 29, 2014		March 30, 2013
	(in thousands)
Amortization of acquired intangible assets	$	7,985	$	6,640	$	15,774	$	13,263
Cost of license revenue	4,316		4,628		8,721		9,267
Cost of service revenue	91		—		183		—
Total amortization expense	$	12,392	$	11,268	$	24,678	$	22,530