Segment Disclosure (Tables)

6 Months Ended

Apr. 30, 2020

Segment Reporting [Abstract]

Schedule of Segment Reporting Information

Information by reportable segment was as follows:

	Three Months Ended   April 30,						Six Months Ended   April 30,
	2020			2019			2020			2019
	(in thousands)
Total Segments:
Revenue	$	861,327		$	836,242		$	1,695,708		$	1,656,643
Adjusted operating income	221,404			209,836			408,337			410,788
Adjusted operating margin	26		%	25		%	24		%	25		%
Semiconductor & System Design:
Revenue	$	773,065		$	753,055		$	1,521,809		$	1,490,961
Adjusted operating income	209,692			201,406			388,543			396,724
Adjusted operating margin	27		%	27		%	26		%	27		%
Software Integrity:
Revenue	$	88,262		$	83,187		$	173,899		$	165,682
Adjusted operating income	11,712			8,430			19,794			14,064
Adjusted operating margin	13		%	10		%	11		%	8		%

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   April 30,						Six Months Ended   April 30,
	2020			2019			2020			2019
	(in thousands)
Total segment adjusted operating income	$	221,404		$	209,836		$	408,337		$	410,788
Reconciling items:
Amortization of intangible expense	(24,095		)	(25,197		)	(46,628		)	(53,424		)
Stock-based compensation expense	(56,435		)	(36,914		)	(108,318		)	(75,374		)
Other	(14,979		)	(32,223		)	(39,980		)	(19,074		)
Total operating income	$	125,895		$	115,502		$	213,411		$	262,916

Revenues Related to Operations by Geographic Areas

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

	Three Months Ended   April 30,				Six Months Ended   April 30,
	2020		2019		2020		2019
	(in thousands)
Revenue:
United States	$	404,389	$	416,744	$	812,878	$	824,543
Europe	89,284		83,542		183,655		167,428
Korea	105,315		84,850		194,830		187,518
Japan	80,540		72,703		152,768		137,776
Asia Pacific and Other	181,799		178,403		351,577		339,378
Consolidated	$	861,327	$	836,242	$	1,695,708	$	1,656,643