Goodwill and Intangible Assets (Tables)

3 Months Ended

Dec. 31, 2016

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Acquired Intangible Assets

Goodwill and acquired intangible assets consisted of the following:

	December 31, 2016						September 30, 2016
	Gross Carrying Amount		Accumulated Amortization		Net Book Value		Gross Carrying Amount		Accumulated Amortization		Net Book Value
	(in thousands)
Goodwill (not amortized)					$	1,159,492					$	1,169,813
Intangible assets with finite lives (amortized) (1):
Purchased software	$	351,032	$	202,266	$	148,766	$	354,595	$	199,192	$	155,403
Capitalized software	22,877		22,877		—		22,877		22,877		—
Customer lists and relationships	349,593		210,132		139,461		355,698		206,515		149,183
Trademarks and trade names	18,789		13,289		5,500		19,007		13,323		5,684
Other	3,860		3,860		—		3,955		3,920		35
	$	746,151	$	452,424	$	293,727	$	756,132	$	445,827	$	310,305
Total goodwill and acquired intangible assets					$	1,453,219					$	1,480,118

(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, 10 years, and 3 years, respectively.

Schedule of Goodwill

Changes in goodwill presented by reportable segments were as follows:

	Solutions Group			IoT Group			Professional Services			Total
	(in thousands)
Balance, October 1, 2016	$	1,050,150		$	90,065		$	29,598		$	1,169,813
Foreign currency translation adjustment	(9,265		)	(795		)	(261		)	(10,321		)
Balance, December 31, 2016	$	1,040,885		$	89,270		$	29,337		$	1,159,492

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 31, 2016		January 2, 2016
	(in thousands)
Amortization of acquired intangible assets	$	8,067	$	8,350
Cost of software revenue	6,388		5,127
Total amortization expense	$	14,455	$	13,477