Segment Disclosure (Tables)

12 Months Ended

Oct. 31, 2020

Segment Reporting [Abstract]

Schedule of Segment Reporting Information, by Segment

Information by reportable segment was as follows:

	Year Ended October 31,
	2020			2019			2018
	(in thousands)
Total Segments:
Revenue	$	3,685,281		$	3,360,694		$	3,121,058
Adjusted operating income	1,031,630			838,821			690,681
Adjusted operating margin	28		%	25		%	22		%
Semiconductor & System Design:
Revenue	$	3,327,211		$	3,026,097		$	2,840,589
Adjusted operating income	990,837			806,618			701,283
Adjusted operating margin	30		%	27		%	25		%
Software Integrity:
Revenue	$	358,070		$	334,597		$	280,469
Adjusted operating income	40,793			32,203			(10,602		)
Adjusted operating margin	11		%	10		%	(4		)%

Reconciliation of Operating Profit (Loss) from Segments to Consolidated

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:

	Year Ended October 31,
	2020			2019			2018
	(in thousands)
Total segment adjusted operating income	$	1,031,630		$	838,821		$	690,681
Reconciling items:
Amortization of intangible expense	(91,281		)	(100,914		)	(125,664		)
Stock-based compensation expense	(248,584		)	(155,001		)	(140,032		)
Other	(71,624		)	(62,675		)	(64,760		)
Total operating income	$	620,141		$	520,231		$	360,225

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,
	2020		2019		2018
	(in thousands)
Revenue:
United States	$	1,774,348	$	1,676,178	$	1,508,224
Europe	385,287		349,033		369,125
China	420,829		321,777		259,279
Korea	389,008		353,358		307,974
Other	715,809		660,348		676,456
Consolidated	$	3,685,281	$	3,360,694	$	3,121,058

Property and Equipment by Geographic Areas

	As of October 31,
	2020		2019
	(in thousands)
Property and Equipment, net:
United States	$	311,350	$	293,725
Other countries	172,468		135,807
Total	$	483,818	$	429,532