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Employee Benefit Plans - Stock Compensation Expense (Details) - USD ($) $ in Thousands | 12 Months Ended
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Oct. 31, 2024 | Oct. 31, 2023 | Oct. 31, 2022
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |  |  |
Total stock-based compensation expense before taxes | $ 692,316 | $ 563,292 | $ 459,029
Income tax benefit | (115,271) | (90,915) | (74,271)
Stock-based compensation expense after taxes | 577,045 | 472,377 | 384,758
Continuing operations |  |  |
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |  |  |
Total stock-based compensation expense before taxes | 657,935 | 513,094 | 421,749
Discontinued operations |  |  |
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |  |  |
Total stock-based compensation expense before taxes | 34,381 | 50,198 | 37,280
Cost of products |  |  |
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |  |  |
Total stock-based compensation expense before taxes | 66,403 | 49,896 | 43,618
Cost of maintenance and service |  |  |
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |  |  |
Total stock-based compensation expense before taxes | 32,189 | 29,572 | 24,146
Research and development expense |  |  |
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |  |  |
Total stock-based compensation expense before taxes | 359,244 | 282,540 | 233,772
Sales and marketing expense |  |  |
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |  |  |
Total stock-based compensation expense before taxes | 121,524 | 91,082 | 70,607
General and administrative expense |  |  |
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |  |  |
Total stock-based compensation expense before taxes | $ 78,575 | $ 60,004 | $ 49,606

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