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Segment Disclosure | 6 Months Ended
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Apr. 30, 2025
Segment Reporting [Abstract] |
Segment Disclosure | Segment Disclosure Segment reporting is based upon the “management approach,” i.e., how management organizes our operating segments for which separate financial information is (1) available and (2) evaluated regularly by the CODM in deciding how to allocate resources and in assessing performance. Our CODM is our CEO. We have two reportable segments: (1) Design Automation, which includes our advanced silicon design, verification products and services, system integration products and services, digital, custom and field programmable gate array (FPGA) IC design software, verification software and hardware products, manufacturing software products and other; and (2) Design IP, which includes our interface, foundation, security, and embedded processor IP, IP subsystems, and IP implementation services. The financial information provided to and used by the CODM to assist in making operational decisions, allocating resources, and assessing performance includes consolidated financial information as well as revenue, adjusted operating income, and adjusted operating margin information for the Design Automation and Design IP segments, accompanied by disaggregated information relating to revenue by geographic region. The Software Integrity business constituted its own reportable segment under Topic 280. In accordance with applicable accounting guidance, the results of the Software Integrity business were presented as discontinued operations in the condensed consolidated statements of income and, as such, have been excluded from both continuing operations and segment results for all periods presented. See Note 3. Discontinued Operations of the Notes to Condensed Consolidated Financial Statements. 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 | %
Certain operating expenses are not allocated to the segments and are managed at a consolidated level. 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 |
The CODM does not use total assets by segment to evaluate segment performance or allocate resources. As a result, total assets by segment are not disclosed. In allocating revenue to particular geographic areas, the CODM considers where individual “seats” or licenses to our products are located. Revenue is defined as revenue from external customers. 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 |
Geographic revenue data for multi-regional, multi-product transactions reflect internal allocations and are therefore subject to certain assumptions and to our allocation methodology.

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- Definition The entire disclosure for reporting segments including data and tables. 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