Net Income per Share - Anti-dilutive Securities (Details) - shares shares in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jul. 31, 2026 |
Jul. 31, 2025 |
Jul. 31, 2026 |
Jul. 31, 2025 |
|
| Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | ||||
| Antidilutive securities excluded from computation of earnings per share (in shares) | 7,820 | 9,369 | 8,937 | 8,076 |
| Shares subject to outstanding common stock awards | ||||
| Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | ||||
| Antidilutive securities excluded from computation of earnings per share (in shares) | 6,217 | 9,052 | 7,164 | 7,850 |
| Shares issuable pursuant to the ESPP | ||||
| Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | ||||
| Antidilutive securities excluded from computation of earnings per share (in shares) | 1,603 | 317 | 1,773 | 226 |