Goodwill and Intangible Assets (Tables)

12 Months Ended

Oct. 31, 2023

Goodwill and Intangible Assets Disclosure [Abstract]

Summary of Goodwill

Goodwill activity by reportable segment consists of the following:

	Design Automation		Design IP		Software Integrity		Total
	(in thousands)
Balance at October 31, 2021	$	2,156,732	$	947,742	$	471,311	$	3,575,785
Additions	68,923		—		249,852		318,775
Adjustments	1,285		—		—		1,285
Effect of foreign currency translation	(50,603)		(3,008)		—		(53,611)
Balance at October 31, 2022	2,176,337		944,734		721,163		3,842,234
Additions	229,351		—		—		229,351
Adjustments	—		—		3,097		3,097
Effect of foreign currency translation	(5,006)		649		11		(4,346)
Balance at October 31, 2023	$	2,400,682	$	945,383	$	724,271	$	4,070,336

Summary of Intangible Assets

Intangible assets as of October 31, 2023 consists of the following:

	Gross Carrying Amount		Accumulated Amortization		Net Amount
	(in thousands)
Core/developed technology	$	1,135,347	$	885,555	$	249,792
Customer relationships	463,371		358,421		104,950
Contract rights intangible	194,930		190,670		4,260
Trademarks and trade names	52,825		37,633		15,192
Capitalized software development costs	50,795		50,795		—
Total	$	1,897,268	$	1,523,074	$	374,194

Intangible assets as of October 31, 2022 consists of the following:

	Gross Carrying Amount		Accumulated Amortization		Net Amount
	(in thousands)
Core/developed technology	$	1,083,703	$	813,226	$	270,477
Customer relationships	426,242		333,984		92,258
Contract rights intangible	190,666		188,262		2,404
Trademarks and trade names	52,795		34,054		18,741
Capitalized software development costs	48,591		46,025		2,566
Total	$	1,801,997	$	1,415,551	$	386,446

Amortization Expense Related to Intangible Assets

Amortization expense related to intangible assets consists of the following:

	Year Ended October 31,
	2023		2022		2021
	(in thousands)
Core/developed technology	$	72,412	$	64,469	$	46,049
Customer relationships	24,446		26,640		31,478
Contract rights intangible	2,452		2,682		2,413
Trademarks and trade names	3,579		2,899		2,440
Capitalized software development costs(1)	4,771		2,672		4,067
Total	$	107,660	$	99,362	$	86,447

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

Estimated Future Amortization of Intangible Assets

The following table presents the estimated future amortization of intangible assets as of October 31, 2023:

Fiscal Year	(in thousands)
2024	$	103,108
2025	84,588
2026	71,406
2027	51,205
2028	25,807
2029 and thereafter	38,080
Total	$	374,194