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Segment Disclosure (Tables)

6 Months Ended

Apr. 30, 2019

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,
	2019				2018				2019				2018
	(in thousands)
Total Segments:
Revenues	$	836,242			$	776,836			$	1,656,643			$	1,546,262
Adjusted operating income	209,836				190,116				410,788				386,062
Adjusted operating margin	25		%		24		%		25		%		25		%
Semiconductor & System Design:
Revenues	$	753,055			$	709,034			$	1,490,961			$	1,414,367
Adjusted operating income	201,406				195,741				396,724				394,857
Adjusted operating margin	27		%		28		%		27		%		28		%
Software Integrity:
Revenues	$	83,187			$	67,802			$	165,682			$	131,895
Adjusted operating income	8,430				(5,625		)		14,064				(8,795		)
Adjusted operating margin	10		%		(8		)%		8		%		(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   April 30,								Six Months Ended   April 30,
	2019				2018				2019				2018
	(in thousands)
Total segment adjusted operating income	$	209,836			$	190,116			$	410,788			$	386,062
Reconciling items:
Amortization of intangible expense	(25,197		)		(31,186		)		(53,424		)		(59,733		)
Stock-based compensation expense	(36,914		)		(32,965		)		(75,374		)		(65,288		)
Other	(32,223		)		1,049				(19,074		)		(26,309		)
Total operating income	$	115,502			$	127,014			$	262,916			$	234,732

Revenues Related to Operations by Geographic Areas

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

	Three Months Ended   April 30,								Six Months Ended   April 30,
	2019				2018				2019				2018
	(in thousands)
Revenue:
United States	$	416,744			$	376,636			$	824,543			$	761,210
Europe	83,542				97,014				167,428				182,479
Japan	72,703				70,435				137,776				138,824
Asia-Pacific and Other	263,253				232,751				526,896				463,749
Consolidated	$	836,242			$	776,836			$	1,656,643			$	1,546,262

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- Definition

Tabular disclosure of the reconciliation of profit (loss) from reportable segments to the consolidated income (loss) before income tax expense (benefit) and discontinued operations. Includes, but is not limited to, reconciliation after income tax if income tax is allocated to the reportable segment.

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