Segment Disclosure (Tables)

3 Months Ended

Jan. 31, 2020

Segment Reporting [Abstract]

Schedule of Segment Reporting Information

Information by reportable segment was as follows:

	Three Months Ended   January 31,
	2020			2019
	(in thousands)
Total Segments:
Revenue	$	834,381		$	820,401
Adjusted operating income	186,933			200,952
Adjusted operating margin	22		%	24		%
Semiconductor & System Design:
Revenue	$	748,744		$	737,906
Adjusted operating income	178,851			195,317
Adjusted operating margin	24		%	26		%
Software Integrity:
Revenue	$	85,637		$	82,495
Adjusted operating income	8,082			5,635
Adjusted operating margin	9		%	7		%

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,
	2020			2019
	(in thousands)
Total segment adjusted operating income	$	186,933		$	200,952
Reconciling items:
Amortization of intangible expense	(22,533		)	(28,227		)
Stock-based compensation expense	(51,883		)	(38,460		)
Other	(25,001		)	13,149
Total operating income	$	87,516		$	147,414

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,
	2020		2019
	(in thousands)
Revenue:
United States	$	408,489	$	407,799
Europe	94,370		83,886
Korea	89,515		102,668
Japan	72,228		65,073
Asia Pacific and Other	169,779		160,975
Consolidated	$	834,381	$	820,401