Segment Disclosure (Tables)

12 Months Ended

Oct. 31, 2021

Segment Reporting [Abstract]

Schedule of Segment Reporting Information, by Segment

Information by reportable segment was as follows:

	Year Ended October 31,
	2021			2020			2019
	(in thousands)
Total Segments:
Revenue	$	4,204,193		$	3,685,281		$	3,360,694
Adjusted operating income	1,281,389			1,031,630			838,821
Adjusted operating margin	30		%	28		%	25		%
Semiconductor & System Design:
Revenue	$	3,810,409		$	3,327,211		$	3,026,097
Adjusted operating income	1,243,078			990,837			806,618
Adjusted operating margin	33		%	30		%	27		%
Software Integrity:
Revenue	$	393,784		$	358,070		$	334,597
Adjusted operating income	38,311			40,793			32,203
Adjusted operating margin	10		%	11		%	10		%

Reconciliation of Operating Profit (Loss) from Segments to Consolidated

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:

	Year Ended October 31,
	2021		2020		2019
	(in thousands)
Total segment adjusted operating income	$	1,281,389	$	1,031,630	$	838,821
Reconciling items:
Amortization of intangible expense	(82,380)		(91,281)		(100,914)
Stock-based compensation expense	(345,272)		(248,584)		(155,001)
Other	(118,947)		(71,624)		(62,675)
Total operating income	$	734,790	$	620,141	$	520,231

Revenues Related to Operations by Geographic Areas

Revenue and property and equipment, net, related to operations in the United States and other geographic areas were:

	Year Ended October 31,
	2021		2020		2019
	(in thousands)
Revenue:
United States	$	1,951,964	$	1,774,348	$	1,676,178
Europe	440,825		385,287		349,033
China	562,711		420,829		321,777
Korea	427,471		389,008		353,358
Other	821,222		715,809		660,348
Consolidated	$	4,204,193	$	3,685,281	$	3,360,694

Property and Equipment by Geographic Areas

	As of October 31,
	2021		2020
	(in thousands)
Property and Equipment, net:
United States	$	283,602	$	311,350
Other	188,796		172,468
Total	$	472,398	$	483,818