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v3.21.2

Segment Disclosure - Schedule of Segment Reporting Information (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Jul. 31, 2021 | Jul. 31, 2020 | Jul. 31, 2021 | Jul. 31, 2020
Segment Reporting Information [Line Items] |  |  |  |
Total revenue | $ 1,057,130 | $ 964,134 | $ 3,051,774 | $ 2,659,842
Adjusted operating income | 201,923 | 210,598 | 544,502 | 424,009
Operating Segments |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Adjusted operating income | $ 337,396 | $ 323,553 | $ 941,456 | $ 731,890
Adjusted operating margin | 32.00% | 34.00% | 31.00% | 28.00%
Operating Segments | Semiconductor & System Design: |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenue | $ 959,155 | $ 870,734 | $ 2,767,950 | $ 2,392,542
Adjusted operating income | $ 328,742 | $ 308,730 | $ 916,434 | $ 697,273
Adjusted operating margin | 34.00% | 35.00% | 33.00% | 29.00%
Operating Segments | Software Integrity: |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenue | $ 97,975 | $ 93,400 | $ 283,824 | $ 267,300
Adjusted operating income | $ 8,654 | $ 14,823 | $ 25,022 | $ 34,617
Adjusted operating margin | 9.00% | 16.00% | 9.00% | 13.00%

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