Goodwill and Intangible Assets, Net (Tables)

12 Months Ended

Sep. 30, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

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


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

As of September 30, 2016		2,211,639
Goodwill resulting from acquisitions		18,535
Other		(8,965	)

As of September 30, 2017	$	2,221,209

(1)

Mainly relates to the acquisitions of Vindicia, Brite:Bill and Pontis. In allocating the total purchase price of Vindicia based on estimated fair values, the Company recorded $62,210 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 purchase price of Brite:Bill based on estimated fair values, the Company recorded $45,037 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 purchase price of Pontis based on estimated fair values, the Company recorded $40,457 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:


	Gross		Accumulated Amortization			Net
September 30, 2017
Core technology	$	604,673	$	(513,501	)	$	91,172
Customer relationships		497,296		(414,654	)		82,642
Intellectual property rights and purchased computer software		51,996		(51,996	)		—
Other		33,542		(30,030	)		3,512

Total	$	1,187,507	$	(1,010,181	)	$	177,326

September 30, 2016
Core technology	$	604,673	$	(451,169	)	$	153,504
Customer relationships		491,639		(370,658	)		120,981
Intellectual property rights and purchased computer software		51,996		(51,996	)		—
Other		33,542		(26,500	)		7,042

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

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,
	2017		2016		2015
Cost of revenue	$	1,405	$	1,609	$	1,609
Amortization of definite-lived purchased intangible assets		108,453		96,465		65,017

Total	$	109,858	$	98,074	$	66,626

Estimated Future Amortization Expense

The estimated future amortization expense of definite-lived purchased intangible assets as of September 30, 2017 is as follows:


	Amount
Fiscal year:
2018	$	79,916
2019		54,007
2020		23,163
2021		10,356
2022		6,534
Thereafter		3,350

Total	$	177,326