Goodwill and Intangible Assets (Tables)

12 Months Ended

Oct. 31, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Summary of Goodwill

Goodwill:

	(in thousands)
Balance at October 31, 2015	$	2,471,241
Additions	39,172
Adjustments	435
Effect of foreign currency translation	7,397
Balance at October 31, 2016	$	2,518,245
Additions	178,545
Effect of foreign currency translation	10,184
Balance at October 31, 2017(1)	$	2,706,974

(1) There is no impairment of goodwill for periods presented.

Summary of Intangible Assets

Intangible assets as of October 31, 2017 consist of the following:

	Gross Assets		Accumulated Amortization		Net Assets
	(in thousands)
Core/developed technology	$	647,975	$	526,796	$	121,179
Customer relationships	278,811		166,886		111,925
Contract rights intangible	174,615		172,178		2,437
Trademarks and trade names	25,329		17,401		7,928
In-process research and development (IPR&D)(2)	6,600		—		6,600
Capitalized software development costs	32,868		29,094		3,774
Total	$	1,166,198	$	912,355	$	253,843

(2) IPR&D is reclassified to core/developed technology upon completion or is written off upon abandonment.

Intangible assets as of October 31, 2016 consist of the following:

	Gross Assets		Accumulated Amortization		Net Assets
	(in thousands)
Core/developed technology	$	610,812	$	460,722	$	150,090
Customer relationships	235,997		139,932		96,065
Contract rights intangible	171,248		162,183		9,065
Trademarks and trade names	20,729		13,821		6,908
Capitalized software development costs	29,642		25,109		4,533
Total	$	1,068,428	$	801,767	$	266,661

Amortization Expense Related to Intangible Assets

Amortization expense related to intangible assets consisted of the following:

	Year Ended October 31,
	2017		2016		2015
	(in thousands)
Core/developed technology	$	65,916	$	85,331	$	76,674
Customer relationships	27,340		24,594		23,104
Contract rights intangible	10,886		16,543		33,350
Trademarks and trade names	3,580		3,156		2,900
Capitalized software development costs(3)	3,986		3,697		3,653
Total	$	111,708	$	133,321	$	139,681

(3) Amortization of capitalized software development costs is included in cost of products revenue in the consolidated statements of operations.

Estimated Future Amortization of Intangible Assets

The following table presents the estimated future amortization of intangible assets:

Fiscal Year	(in thousands)
2018	$	88,907
2019	62,940
2020	44,938
2021	26,708
2022	16,648
2023 and thereafter	7,102
IPR&D(4)	6,600
Total	$	253,843

(4) IPR&D assets are amortized over their useful lives upon completion or are written off upon abandonment.