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Goodwill and Intangible Assets (Tables)

12 Months Ended

Oct. 31, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill activity by reportable segment for the year ended October 31, 2020 consisted of the following:



	Semiconductor & System Design		Software Integrity		Total
	(in thousands)
Balance at October 31, 2019	$	2,758,926	$	412,253	$	3,171,179
Additions	160,447		13,285		173,732
Adjustments	59		—		59
Effect of foreign currency translation	20,080		64		20,144
Balance at October 31, 2020	$	2,939,512	$	425,602	$	3,365,114

Goodwill activity by reportable segment for the year ended October 31, 2019 consisted of the following:



	Semiconductor & System Design		Software Integrity			Total
	(in thousands)
Balance at October 31, 2018	$	2,730,990	$	412,259		$	3,143,249
Additions	23,690		—			23,690
Effect of foreign currency translation	4,246		(6		)	4,240
Balance at October 31, 2019	$	2,758,926	$	412,253		$	3,171,179

Summary of Intangible Assets

In-process research and development (IPR&D) as of October 31, 2020 consisted of acquired projects that, if completed, will be reclassified to core/developed technology upon completion, or if abandoned, will be written off. Intangible assets as of October 31, 2020 consisted of the following:



	Gross Assets		Accumulated Amortization		Net Assets
	(in thousands)
Core/developed technology	$	827,232	$	703,009	$	124,223
Customer relationships	380,838		277,219		103,619
Contract rights intangible	192,812		186,763		6,049
Trademarks and trade names	43,096		28,716		14,380
In-process research and development (IPR&D)	1,214		—		1,214
Capitalized software development costs	44,122		39,285		4,837
Total	$	1,489,314	$	1,234,992	$	254,322

Intangible assets as of October 31, 2019 consisted of the following:



	Gross Assets		Accumulated Amortization		Net Assets
	(in thousands)
Core/developed technology	$	791,647	$	655,119	$	136,528
Customer relationships	358,661		242,058		116,603
Contract rights intangible	184,304		181,124		3,180
Trademarks and trade names	42,929		25,581		17,348
In-process research and development (IPR&D)	1,200		—		1,200
Capitalized software development costs	40,077		35,562		4,515
Total	$	1,418,818	$	1,139,444	$	279,374

Amortization Expense Related to Intangible Assets

Amortization expense related to intangible assets consisted of the following:



	Year Ended October 31,
	2020		2019		2018
	(in thousands)
Core/developed technology	$	47,890	$	56,163	$	78,820
Customer relationships	35,075		37,533		37,395
Contract rights intangible	5,181		3,581		4,906
Trademarks and trade names	3,135		3,637		4,543
Capitalized software development costs⁽¹⁾	3,723		2,868		3,599
Total	$	95,004	$	103,782	$	129,263

⁽¹⁾

Amortization of capitalized software development costs is included in cost of products revenue in the consolidated statements of operati

Estimated Future Amortization of Intangible Assets

The following table presents the estimated future amortization of intangible assets as of October 31, 2020:



Fiscal Year	(in thousands)
2021	$	76,078
2022	61,242
2023	44,733
2024	34,398
2025	18,295
2026 and thereafter	18,362
IPR&D	1,214
Total	$	254,322