Segment Disclosure (Tables)

3 Months Ended

Jan. 31, 2021

Segment Reporting [Abstract]

Schedule of Segment Reporting Information

Information by reportable segment was as follows:

	Three Months Ended   January 31,
	2021			2020
	(in thousands)
Total Segments:
Revenue	$	970,321		$	834,381
Adjusted operating income	286,820			186,933
Adjusted operating margin	30		%	22		%
Semiconductor & System Design:
Revenue	$	878,368		$	748,744
Adjusted operating income	278,876			178,851
Adjusted operating margin	32		%	24		%
Software Integrity:
Revenue	$	91,953		$	85,637
Adjusted operating income	7,944			8,082
Adjusted operating margin	9		%	9		%

Reconciliation of Operating Income From Segment Consolidation

The unallocated expenses managed at a consolidated level, including amortization of intangible assets, stock compensation and other operating expenses, are presented in the table below to provide a reconciliation of the total adjusted operating income from segments to the Company’s consolidated operating income:

	Three Months Ended   January 31,
	2021		2020
	(in thousands)
Total segment adjusted operating income	$	286,820	$	186,933
Reconciling items:
Amortization of intangible expense	(20,276)		(22,533)
Stock-based compensation expense	(83,782)		(51,883)
Other	(34,414)		(25,001)
Total operating income	$	148,348	$	87,516

Revenues Related to Operations by Geographic Areas

Revenue related to operations in the United States and other geographic areas were: 

	Three Months Ended   January 31,
	2021		2020
	(in thousands)
Revenue:
United States	$	468,701	$	408,489
Europe	105,175		94,370
China	115,768		67,320
Korea	98,254		89,515
Other	182,423		174,687
Consolidated	$	970,321	$	834,381