Segment Disclosure (Tables)

9 Months Ended

Jul. 31, 2021

Segment Reporting [Abstract]

Schedule of Segment Reporting Information

Information by reportable segment was as follows:

	Three Months Ended   July 31,						Nine Months Ended   July 31,
	2021			2020			2021			2020
	(in thousands)
Total Segments:
Revenue	$	1,057,130		$	964,134		$	3,051,774		$	2,659,842
Adjusted operating income	337,396			323,553			941,456			731,890
Adjusted operating margin	32		%	34		%	31		%	28		%
Semiconductor & System Design:
Revenue	$	959,155		$	870,734		$	2,767,950		$	2,392,542
Adjusted operating income	328,742			308,730			916,434			697,273
Adjusted operating margin	34		%	35		%	33		%	29		%
Software Integrity:
Revenue	$	97,975		$	93,400		$	283,824		$	267,300
Adjusted operating income	8,654			14,823			25,022			34,617
Adjusted operating margin	9		%	16		%	9		%	13		%

Reconciliation of Operating Income From Segment Consolidation

The unallocated expenses managed at a consolidated level, including amortization of intangible assets, stock-based compensation and certain 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   July 31,				Nine Months Ended   July 31,
	2021		2020		2021		2020
	(in thousands)
Total segment adjusted operating income	$	337,396	$	323,553	$	941,456	$	731,890
Reconciling items:
Amortization of intangible expense	(20,440)		(23,649)		(60,437)		(70,277)
Stock-based compensation expense	(85,162)		(61,837)		(248,530)		(170,155)
Other	(29,871)		(27,469)		(87,987)		(67,449)
Total operating income	$	201,923	$	210,598	$	544,502	$	424,009

Revenues Related to Operations by Geographic Areas

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

	Three Months Ended   July 31,				Nine Months Ended   July 31,
	2021		2020		2021		2020
	(in thousands)
Revenue:
United States	$	477,218	$	432,692	$	1,417,636	$	1,245,570
Europe	112,877		94,297		324,212		277,951
China	164,172		160,230		405,460		308,663
Korea	110,536		96,344		314,178		291,175
Other	192,327		180,571		590,288		536,483
Consolidated	$	1,057,130	$	964,134	$	3,051,774	$	2,659,842