Goodwill and Intangible Assets (Tables)

3 Months Ended

Dec. 28, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Acquired Intangible Assets

Goodwill and acquired intangible assets consisted of the following:

(in thousands)	December 28, 2019						September 30, 2019
	Gross Carrying Amount		Accumulated Amortization		Net Book Value		Gross Carrying Amount		Accumulated Amortization		Net Book Value
Goodwill (not amortized)					$	1,606,050					$	1,238,179
Intangible assets with finite lives (amortized) (1):
Purchased software	$	422,922	$	286,307	$	136,615	$	377,359	$	278,144	$	99,215
Capitalized software	22,877		22,877		—		22,877		22,877		—
Customer lists and relationships	419,906		297,574		122,332		355,931		288,828		67,103
Trademarks and trade names	22,597		15,535		7,062		18,891		15,260		3,631
Other	3,946		3,946		—		3,910		3,910		—
	$	892,248	$	626,239	$	266,009	$	778,968	$	609,019	$	169,949
Total goodwill and acquired intangible assets					$	1,872,059					$	1,408,128

Schedule of Goodwill

Changes in goodwill presented by reportable segments were as follows: 

(in thousands)	Software Products		Professional Services		Total
Balance, October 1, 2019	$	1,196,064	$	42,115	$	1,238,179
Onshape acquisition	363,161		—		363,161
Foreign currency translation adjustment	4,550		160		4,710
Balance, December 28, 2019	$	1,563,775	$	42,275	$	1,606,050

Amortization of Intangible Assets

The aggregate amortization expense for intangible assets with finite lives was classified in our Consolidated Statements of Operations as follows:

(in thousands)	Three months ended
	December 28, 2019		December 29, 2018
Amortization of acquired intangible assets	$	6,777	$	5,936
Cost of license revenue	6,799		6,717
Total amortization expense	$	13,576	$	12,653