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Stock-Based Compensation - Additional Information (Details) $ in Thousands |  | 3 Months Ended | 9 Months Ended
--- | --- | --- | ---
Jul. 02, 2024 shares | Oct. 31, 2024 USD ($) Plan shares | Oct. 31, 2023 USD ($) | Oct. 31, 2024 USD ($) Plan shares | Oct. 31, 2023 USD ($)
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |
Number of employee equity plans | Plan |  | 2 |  | 2 |
Share-based compensation expense |  | $ 55,584 | $ 50,894 | $ 161,857 | $ 151,517
Restricted Stock Units |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |
Remaining weighted-average period |  |  |  | 2 years 7 months 17 days |
Unrecognized stock-based compensation expense |  | $ 403,300 |  | $ 403,300 |
2015 Equity Incentive Plan | Class A Common Stock |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |
Shares common stock reserved for issuance | shares |  | 8,609,988 |  | 8,609,988 |
2015 Employee Stock Purchase Plan |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |
Unrecognized stock-based compensation expense |  | $ 8,500 |  | $ 8,500 |
2015 Employee Stock Purchase Plan | Maximum |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |
Remaining weighted-average period |  |  |  | 1 year |
Number of additional shares to be issued | shares | 20,228,040 |  |  |  |
2015 Employee Stock Purchase Plan | Class A Common Stock |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |
Shares common stock reserved for issuance | shares |  | 2,823,385 |  | 2,823,385 |
Number of shares to be issued | shares | 9,000,000 |  |  |  |
Executive Bonus Plans |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |
Share-based compensation expense |  |  |  | $ 10,500 |
Fiscal 2024 Executive Bonus Plan |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |
Unrecognized stock-based compensation expense |  | $ 6,100 |  | $ 6,100 |

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