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Stock-Based Compensation - Stock Compensation Expense (Detail) - USD ($) $ in Thousands | 3 Months Ended
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Jan. 31, 2024 | Jan. 31, 2023
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |  |
Stock-based compensation expense before taxes | $ 180,652 | $ 134,227
Income tax benefit | (29,410) | (21,570)
Stock-based compensation expense after taxes | 151,242 | 112,657
Cost of products |  |
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |  |
Stock-based compensation expense before taxes | 20,680 | 16,029
Cost of maintenance and service |  |
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |  |
Stock-based compensation expense before taxes | 9,176 | 7,155
Research and development expense |  |
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |  |
Stock-based compensation expense before taxes | 94,888 | 69,231
Sales and marketing expense |  |
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |  |
Stock-based compensation expense before taxes | 35,353 | 24,907
General and administrative expense |  |
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |  |
Stock-based compensation expense before taxes | $ 20,555 | $ 16,905

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