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Stock-Based Compensation - Stock Compensation Expense (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Apr. 30, 2025 | Apr. 30, 2024 | Apr. 30, 2025 | Apr. 30, 2024
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |  |  |  |
Total stock-based compensation expense before taxes | $ 201,723 | $ 177,835 | $ 388,186 | $ 358,487
Income tax benefit | (32,659) | (28,809) | (62,847) | (58,075)
Stock-based compensation expense after taxes | 169,064 | 149,026 | 325,339 | 300,412
Continuing Operations |  |  |  |
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |  |  |  |
Total stock-based compensation expense before taxes | 201,723 | 162,691 | 388,186 | 328,196
Discontinued operations |  |  |  |
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |  |  |  |
Total stock-based compensation expense before taxes | 0 | 15,144 | 0 | 30,291
Cost of products |  |  |  |
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |  |  |  |
Total stock-based compensation expense before taxes | 23,050 | 13,918 | 43,527 | 30,179
Cost of maintenance and service |  |  |  |
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |  |  |  |
Total stock-based compensation expense before taxes | 9,502 | 9,273 | 18,493 | 18,449
Research and development expense |  |  |  |
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |  |  |  |
Total stock-based compensation expense before taxes | 109,717 | 88,671 | 212,413 | 179,808
Sales and marketing expense |  |  |  |
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |  |  |  |
Total stock-based compensation expense before taxes | 36,700 | 30,987 | 71,650 | 61,560
General and administrative expense |  |  |  |
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |  |  |  |
Total stock-based compensation expense before taxes | $ 22,754 | $ 19,842 | $ 42,103 | $ 38,200

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