Goodwill and Intangible Assets (Tables)

6 Months Ended

Mar. 30, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and acquired intangible assets consisted of the following:



	March 30, 2019						September 30, 2018
	Gross Carrying Amount		Accumulated Amortization		Net Book Value		Gross Carrying Amount		Accumulated Amortization		Net Book Value
	(in thousands)
Goodwill (not amortized)					$	1,229,541					$	1,182,457
Intangible assets with finite lives (amortized) (1):
Purchased software	$	378,842	$	265,881	$	112,961	$	362,679	$	254,059	$	108,620
Capitalized software	22,877		22,877		—		22,877		22,877		—
Customer lists and relationships	354,600		279,139		75,461		357,586		270,272		87,314
Trademarks and trade names	18,994		15,044		3,950		19,054		14,786		4,268
Other	3,952		3,952		—		4,003		4,003		—
	$	779,265	$	586,893	$	192,372	$	766,199	$	565,997	$	200,202
Total goodwill and acquired intangible assets					$	1,421,913					$	1,382,659

(1) The weighted-average useful lives of purchased software, customer lists and relationships, and trademarks and trade names with a remaining net book value are 9 years, 10 years, and 11 years, respectively.

Schedule of Goodwill

Changes in goodwill presented by reportable segments were as follows:



	Software Products			Professional Services			Total
	(in thousands)
Balance, October 1, 2018	$	1,152,720		$	29,737		$	1,182,457
Frustum acquisition	53,673			—			53,673
Foreign currency translation adjustment	(6,423		)	(166		)	(6,589		)
Balance, March 30, 2019	$	1,199,970		$	29,571		$	1,229,541

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 30, 2019		March 31, 2018		March 30, 2019		March 31, 2018
	(in thousands)
Amortization of acquired intangible assets	$	5,930	$	7,895	$	11,866	$	15,716
Cost of license revenue	6,842		6,556		13,559		13,231
Total amortization expense	$	12,772	$	14,451	$	25,425	$	28,947