Goodwill and Intangible Assets (Tables)

3 Months Ended

Dec. 28, 2013

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Acquired Intangible Assets

Goodwill and acquired intangible assets consisted of the following:

	December 28, 2013						September 30, 2013
	Gross Carrying Amount		Accumulated Amortization		Net Book Value		Gross Carrying Amount		Accumulated Amortization		Net Book Value
	(in thousands)
Goodwill (not amortized)					$	769,158					$	769,095
Intangible assets with finite lives (amortized) (1):
Purchased software	$	234,433	$	153,425	$	81,008	$	233,566	$	148,127	$	85,439
Capitalized software	22,877		22,877		—		22,877		22,877		—
Customer lists and relationships	304,299		128,362		175,937		304,434		120,338		184,096
Trademarks and trade names	13,492		10,375		3,117		13,427		10,097		3,330
Other	3,771		3,569		202		3,784		3,528		256
	$	578,872	$	318,608	$	260,264	$	578,088	$	304,967	$	273,121
Total goodwill and acquired intangible assets					$	1,029,422					$	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, 7 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
	December 28, 2013		December 29, 2012
	(in thousands)
Amortization of acquired intangible assets	$	7,789	$	6,623
Cost of license revenue	4,405		4,639
Cost of service revenue	92		—
Total amortization expense	$	12,286	$	11,262