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Segment Disclosure - Schedule of Segment Reporting Information (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Jul. 31, 2025 | Jul. 31, 2024 | Jul. 31, 2025 | Jul. 31, 2024
Segment Reporting Information [Line Items] |  |  |  |
Revenue | $ 1,739,737 | $ 1,525,749 | $ 4,799,318 | $ 4,491,450
Adjusted operating income | 165,269 | 360,211 | 793,534 | 1,044,909
Design Automation: |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
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 | 44.00% | 41.00% | 42.00% | 39.00%
Design IP: |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
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 | 20.00% | 37.00% | 27.00% | 39.00%
Operating Segments |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Adjusted operating income | $ 669,778 | $ 610,589 | $ 1,810,265 | $ 1,758,823
Adjusted operating margin | 38.00% | 40.00% | 38.00% | 39.00%

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