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Stock-Based Compensation - Stock Compensation Expense (Detail) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
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Jul. 31, 2023 | Jul. 31, 2022 | Jul. 31, 2023 | Jul. 31, 2022
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |  |  |  |
Stock-based compensation expense before taxes | $ 144,464 | $ 127,605 | $ 421,949 | $ 333,437
Income tax benefit | (23,172) | (20,940) | (67,681) | (54,717)
Stock-based compensation expense after taxes | 121,292 | 106,665 | 354,268 | 278,720
Cost of products |  |  |  |
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |  |  |  |
Stock-based compensation expense before taxes | 16,732 | 15,318 | 49,656 | 39,603
Cost of maintenance and service |  |  |  |
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |  |  |  |
Stock-based compensation expense before taxes | 7,765 | 6,859 | 22,451 | 17,335
Research and development expense |  |  |  |
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |  |  |  |
Stock-based compensation expense before taxes | 75,754 | 68,243 | 220,340 | 175,892
Sales and marketing expense |  |  |  |
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |  |  |  |
Stock-based compensation expense before taxes | 27,723 | 22,998 | 79,567 | 60,090
General and administrative expense |  |  |  |
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |  |  |  |
Stock-based compensation expense before taxes | $ 16,490 | $ 14,187 | $ 49,935 | $ 40,517

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