Segment Disclosure (Tables)

12 Months Ended

Oct. 31, 2019

Segment Reporting [Abstract]

Schedule of Segment Reporting Information, by Segment

Information by reportable segment was as follows:

	Year Ended October 31,
	2019			2018			2017
	(in thousands)
Total Segments:
Revenues	$	3,360,694		$	3,121,058		$	2,724,880
Adjusted operating income	838,821			690,681			647,255
Adjusted operating margin	25		%	22		%	24		%
Semiconductor & System Design:
Revenues	$	3,026,097		$	2,840,589		$	2,551,130
Adjusted operating income	806,618			701,283			667,164
Adjusted operating margin	27		%	25		%	26		%
Software Integrity:
Revenues	$	334,597		$	280,469		$	173,750
Adjusted operating income	32,203			(10,602		)	(19,909		)
Adjusted operating margin	10		%	(4		)%	(11		)%

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,
	2019			2018			2017
	(in thousands)
Total segment adjusted operating income	$	838,821		$	690,681		$	647,255
Reconciling items:
Amortization of intangible expense	(100,914		)	(125,664		)	(107,723		)
Stock-based compensation expense	(155,001		)	(140,032		)	(108,294		)
Other	(62,675		)	(64,760		)	(83,675		)
Total operating income	$	520,231		$	360,225		$	347,563

Revenues Related to Operations by Geographic Areas

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

	Year Ended October 31,
	2019		2018		2017
	(in thousands)
Revenue:
United States	$	1,676,178	$	1,508,224	$	1,357,364
Europe	349,033		369,125		308,419
Korea	353,358		307,974		291,103
Japan	272,677		283,337		247,631
Asia Pacific and Other	709,448		652,398		520,363
Consolidated	$	3,360,694	$	3,121,058	$	2,724,880

Property and Equipment by Geographic Areas

	As of October 31,
	2019		2018
	(in thousands)
Property and Equipment, net:
United States	$	293,725	$	210,914
Other countries	135,807		98,396
Total	$	429,532	$	309,310