Goodwill and Intangible Assets, Net (Tables)

12 Months Ended

Sep. 30, 2016

Goodwill and Intangible Assets Disclosure [Abstract]

The following table presents details of the Company’s total goodwill:


As of October 1, 2014	$	1,925,225
Goodwill resulting from acquisitions(1)		123,987
Other		(119	)

As of September 30, 2015		2,049,093
Goodwill resulting from acquisitions(2)		164,506
Other		(1,960	)

As of September 30, 2016	$	2,211,639

(1)

Mainly relates to the acquisition of a substantial majority of the BSS assets of Comverse. In allocating the total purchase price of the acquired assets based on estimated fair values, the Company recorded $117,693 of goodwill, $97,000 of core technology to be amortized over a weighted average of approximately four years and $38,639 of customer relationships to be amortized over a weighted average of approximately five years.

(2)

Mainly relates to the acquisitions of Vindicia, Brite:Bill and Pontis. In allocating the total preliminary purchase price of Vindicia based on estimated fair values, the Company recorded $64,004 of goodwill, $20,091 of core technology to be amortized over approximately three years, $11,623 of customer relationships to be amortized over approximately five years and $1,103 of other intangible assets to be amortized over approximately two years. In allocating the total preliminary purchase price of Brite:Bill based on estimated fair values, the Company recorded $55,430 of goodwill, $20,917 of core technology to be amortized over approximately three years, $9,638 of customer relationships to be amortized over approximately seven years and $773 of other intangible assets to be amortized over approximately two years. In allocating the total preliminary purchase price of Pontis based on estimated fair values, the Company recorded $36,985 of goodwill, $24,361 of core technology to be amortized over approximately four years and $20,993 of customer relationships to be amortized over approximately six years.

Details Regarding Total Definite-Lived Purchased Intangible Assets

The following table presents details regarding the Company’s total definite-lived purchased intangible assets:


	Estimated Useful Life (in years)		Gross		Accumulated Amortization			Net
September 30, 2016
Core technology		2-8	$	604,673	$	(451,169	)	$	153,504
Customer relationships		1-15		491,639		(370,658	)		120,981
Intellectual property rights and purchased computer software		—		51,996		(51,996	)		—
Other		2-10		33,542		(26,500	)		7,042

Total			$	1,181,850	$	(900,323	)	$	281,527

September 30, 2015
Core technology		2-8	$	531,669	$	(398,898	)	$	132,771
Customer relationships		3-15		439,435		(328,747	)		110,688
Intellectual property rights and purchased computer software		—		51,996		(51,996	)		—
Other		3-10		31,666		(22,608	)		9,058

Total			$	1,054,766	$	(802,249	)	$	252,517

Amortization Expense on Definite-Lived Intangible Assets

The following table presents the amortization expense of the Company’s definite-lived purchased intangible assets, included in each financial statement caption reported in the consolidated statements of income:


	Year Ended September 30,
	2016		2015		2014
Cost of revenue	$	1,609	$	1,609	$	1,609
Amortization of definite-lived purchased intangible assets		96,465		65,017		55,799

Total	$	98,074	$	66,626	$	57,408

Estimated Future Amortization Expense

The estimated future amortization expense of definite-lived purchased intangible assets as of September 30, 2016 is as follows:


	Amount
Fiscal year:
2017	$	109,520
2018		78,502
2019		52,593
2020		21,748
2021		9,280
Thereafter		9,884

Total	$	281,527