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Stockholders' Equity (Tables) | 3 Months Ended
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Apr. 30, 2026
Share-Based Payment Arrangement [Abstract] |
Schedule of Stock Option Activity | A summary of stock option activity for the three months ended April 30, 2026 is as follows:
| Number of shares |  | Weighted average exercise price |  | Weighted average remaining contractual term (in years) |  | Aggregate intrinsic value (in millions)
Options outstanding at January 31, 2026 | 15,134,876 |  |  | $ | 181.99 |  |  | 6.3 |  | $ | 523 |
Options granted | 97,300 |  |  | $ | 175.42 |  |  |  |  |
Options exercised | (19,448) |  |  | $ | 151.04 |  |  |  |  |
Options forfeited/cancelled | (91,993) |  |  | $ | 216.62 |  |  |  |  |
Options outstanding at April 30, 2026 | 15,120,735 |  |  | $ | 181.78 |  |  | 6.0 |  | $ | 291 |
Options vested and exercisable at April 30, 2026 | 9,444,451 |  |  | $ | 159.56 |  |  | 4.8 |  | $ | 291 |
Options vested and exercisable at April 30, 2026 and expected to vest thereafter | 15,120,735 |  |  | $ | 181.78 |  |  | 6.0 |  | $ | 291 |
Schedule of Weighted-Average Assumptions Used to Estimate Grant Date Fair Value of Options Granted | The following table presents the weighted-average assumptions used to estimate the grant date fair value of options granted during the periods presented:
|  |  |  | Three months ended April 30,
|  |  |  |  |  | 2026 |  | 2025 |  |
Volatility |  |  |  |  |  |  |  |  |  | 39% | - | 40% |  | 39% | - | 40% |  |  |  |
Expected term (in years) |  |  |  |  |  |  |  | 6.3 |  | 6.3 | - | 7.0 |  |  |  |
Risk-free interest rate |  |  |  |  |  |  |  |  |  | 3.7% | - | 4.0% |  | 3.8% | - | 4.4% |  |  |  |
Dividend yield |  |  |  |  |  | —% |  | —% |  |
Schedule of Restricted Stock Unit (RSU) Activity | A summary of RSU activity for the three months ended April 30, 2026 is as follows:
| Unreleased restricted stock units |  | Weighted average grant date fair value
Balance at January 31, 2026 | 890,056 |  |  | $ | 211.42 |
RSUs granted | 3,867,310 |  |  | $ | 173.52 |
RSUs vested | (648,811) |  |  | $ | 211.79 |
RSUs forfeited/cancelled | (19,053) |  |  | $ | 184.31 |
Balance at April 30, 2026 | 4,089,502 |  |  | $ | 175.65 |
Schedule of Repurchase Programs | The table below sets forth information regarding repurchase of shares under our share repurchase program (in thousands, except number of shares and per share data):
|  |  | Three months ended April 30,
|  |  |  |  | 2026 |  |  |  |
Total number of shares repurchased |  |  |  |  | 1,255,029 |  |  |  |  |
Average price paid per share (1) |  |  |  |  | $ | 176.17 |  |  |  |  |
Amount repurchased (1) |  |  |  |  | $ | 221,100 |  |  |  |  |
(1) Amounts exclude commissions and excise taxes.

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