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v3.25.2

Stock-Based Compensation - Additional Information (Details) - USD ($) $ / shares in Units, $ in Thousands, shares in Millions | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Jul. 31, 2025 | Jul. 31, 2024 | Jul. 31, 2025 | Jul. 31, 2024 | Jul. 17, 2025
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Total stock-based compensation expense before taxes | $ 267,723 | $ 181,539 | $ 655,909 | $ 540,026 |
Assumed Equity Awards | Ansys, Inc |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Estimated fair value |  |  |  |  | $ 639,700
Total stock-based compensation expense before taxes | 67,200 |  |  |  |
Unrecognized stock-based compensation expense | 432,500 |  | $ 432,500 |  |
Weighted-average period of recognition for unrecognized stock-based compensation expense |  |  | 1 year 8 months 26 days |  |
Assumed Equity Awards, recognized as goodwill | Ansys, Inc |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Estimated fair value |  |  |  |  | 131,000
Assumed Equity Awards, to be recognized as stock-based compensation expense | Ansys, Inc |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Estimated fair value |  |  |  |  | $ 508,700
Nonvested awards (in shares) |  |  |  |  | 1.1
Estimated weighted average fair value (in USD per share) |  |  |  |  | $ 453.83
Options, Restricted Stock and Restricted Stock Units |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Unrecognized stock-based compensation expense | 1,700,000 |  | $ 1,700,000 |  |
Weighted-average period of recognition for unrecognized stock-based compensation expense |  |  | 2 years |  |
ESPP |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Unrecognized stock-based compensation expense | $ 109,200 |  | $ 109,200 |  |
Weighted-average period of recognition for unrecognized stock-based compensation expense |  |  | 2 years |  |

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