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Segment Disclosure (Tables)

6 Months Ended

Apr. 30, 2025

Segment Reporting [Abstract]

Schedule of Segment Reporting Information

Information by reportable segment is as follows:

			Three Months Ended   April 30,												Six Months Ended   April 30,
			2025						2024						2025						2024
			(in thousands)
Total Segments:
Revenue			$	1,604,266					$	1,454,712					$	3,059,581					$	2,965,701
Adjusted operating income			609,270						543,042						1,140,487						1,148,234
Adjusted operating margin			38		%				37		%				37		%				39		%
Design Automation:
Revenue			$	1,122,235					$	1,054,933					$	2,142,451					$	2,040,272
Adjusted operating income			458,756						418,245						863,426						777,710
Adjusted operating margin			41		%				40		%				40		%				38		%
Design IP:
Revenue			$	482,031					$	399,779					$	917,130					$	925,429
Adjusted operating income			150,514						124,797						277,061						370,524
Adjusted operating margin			31		%				31		%				30		%				40		%

Schedule of Reconciliation of Operating Income from Segments to Consolidation

The unallocated expenses managed at a consolidated level, including amortization of acquired intangible assets, stock-based compensation, changes in the fair value of deferred compensation plan, and acquisition/divestiture related items, are presented in the table below to provide a reconciliation of the total adjusted operating income from segments to our consolidated operating income from continuing operations:

			Three Months Ended   April 30,												Six Months Ended   April 30,
			2025						2024						2025						2024
			(in thousands)
Total segment adjusted operating income			$	609,270					$	543,042					$	1,140,487					$	1,148,234
Reconciling items:
Amortization of acquired intangible assets			(11,656)						(18,061)						(24,252)						(34,745)
Stock-based compensation expense			(201,723)						(162,691)						(388,186)						(328,196)
Deferred compensation plan			20,106						(11,051)						468						(50,496)
Acquisition/divestiture related items			(39,571)						(19,167)						(100,252)						(50,099)
Total operating income			$	376,426					$	332,072					$	628,265					$	684,698

Schedule of Revenues Related to Operations by Geographic Areas

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

			Three Months Ended   April 30,												Six Months Ended   April 30,
			2025						2024						2025						2024
			(in thousands)
Revenue:
United States			$	649,299					$	630,766					$	1,260,009					$	1,354,587
Europe			194,843						147,476						348,514						284,746
China			157,506						221,820						331,454						462,884
Korea			257,595						192,676						507,980						374,721
Other			345,023						261,974						611,624						488,763
Consolidated			$	1,604,266					$	1,454,712					$	3,059,581					$	2,965,701

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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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Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss.

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