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Segment Disclosure (Tables) | 9 Months Ended
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Jul. 31, 2025
Segment Reporting [Abstract] |
Schedule of Segment Reporting Information | Information by reportable segment is as follows:
| Three Months Ended July 31, |  | Nine Months Ended July 31,
| 2025 |  | 2024 |  | 2025 |  | 2024
| (in thousands)
Total Segments: |  |  |  |  |  |  |
Revenue | $ | 1,739,737 |  |  | $ | 1,525,749 |  |  | $ | 4,799,318 |  |  | $ | 4,491,450 |
Adjusted operating income | 669,778 |  |  | 610,589 |  |  | 1,810,265 |  |  | 1,758,823 |
Adjusted operating margin | 38 | % |  | 40 | % |  | 38 | % |  | 39 | %
Design Automation: |  |  |  |  |  |  |
Revenue | $ | 1,312,166 |  |  | $ | 1,062,666 |  |  | $ | 3,454,617 |  |  | $ | 3,102,938 |
Adjusted operating income | 583,755 |  |  | 440,864 |  |  | 1,447,181 |  |  | 1,218,574 |
Adjusted operating margin | 44 | % |  | 41 | % |  | 42 | % |  | 39 | %
Design IP: |  |  |  |  |  |  |
Revenue | $ | 427,571 |  |  | $ | 463,083 |  |  | $ | 1,344,701 |  |  | $ | 1,388,512 |
Adjusted operating income | 86,023 |  |  | 169,725 |  |  | 363,084 |  |  | 540,249 |
Adjusted operating margin | 20 | % |  | 37 | % |  | 27 | % |  | 39 | %
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 July 31, |  | Nine Months Ended July 31,
| 2025 |  | 2024 |  | 2025 |  | 2024
| (in thousands)
Total segment adjusted operating income | $ | 669,778 |  |  | $ | 610,589 |  |  | $ | 1,810,265 |  |  | $ | 1,758,823 |
Reconciling items: |  |  |  |  |  |  |
Amortization of acquired intangible assets | (74,941) |  |  | (18,572) |  |  | (99,193) |  |  | (53,317) |
Stock-based compensation expense | (267,723) |  |  | (164,354) |  |  | (655,909) |  |  | (492,550) |
Deferred compensation plan | (43,417) |  |  | (25,780) |  |  | (42,949) |  |  | (76,276) |
Acquisition/divestiture related items | (118,428) |  |  | (41,672) |  |  | (218,680) |  |  | (91,771) |
Total operating income | $ | 165,269 |  |  | $ | 360,211 |  |  | $ | 793,534 |  |  | $ | 1,044,909 |
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 July 31, |  | Nine Months Ended July 31,
| 2025 |  | 2024 |  | 2025 |  | 2024
| (in thousands)
Revenue: |  |  |  |  |  |  |
United States | $ | 816,194 |  |  | $ | 660,479 |  |  | $ | 2,076,203 |  |  | $ | 2,015,066 |
Europe | 178,595 |  |  | 144,631 |  |  | 527,109 |  |  | 429,377 |
China | 247,288 |  |  | 266,699 |  |  | 578,742 |  |  | 729,583 |
Korea | 202,117 |  |  | 194,817 |  |  | 710,097 |  |  | 569,538 |
Other | 295,543 |  |  | 259,123 |  |  | 907,167 |  |  | 747,886 |
Consolidated | $ | 1,739,737 |  |  | $ | 1,525,749 |  |  | $ | 4,799,318 |  |  | $ | 4,491,450 |

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- Definition 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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 25 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-25 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-22 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-30 + Details
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