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v3.21.1

Equity Compensation - Additional Information (Details) |  | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Mar. 31, 2021 shares | Apr. 30, 2021 USD ($) period shares | Apr. 30, 2020 USD ($) | Jan. 31, 2021 USD ($) shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Allocated share-based compensation expense |  | $ 115,800,000 | $ 98,200,000 |
Settlement of liability-classified restricted stock units |  | 0 | $ 28,700,000 |
Market capitalization |  | $ 2,000,000,000.0 |  |
Award vesting period |  | 1 year |  |
Expected dividend yield (in percentage) |  | 0.00% |  |
1998 Employee Qualified Stock Purchase Plan |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Percentage of compensation that eligible employees can use to purchase common stock, maximum |  | 15.00% |  |
Percentage of fair market value eligible employees can purchase common stock, minimum |  | 85.00% |  |
Number of exercise period | period |  | 4 |  |
Term of exercise period |  | 6 months |  |
Term of offering period |  | 24 months |  |
Expected dividend yield (in percentage) |  | 0.00% | 0.00% |
Storm UK Holdco Limited |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Business acquisition, equity interest issued or issuable, number of shares | shares | 9,277 |  |  |
Common stock and additional paid-in capital |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Settlement of liability-classified restricted stock units |  | $ 0 | $ 28,700,000 |
Restricted Stock Units (RSUs) and Performance Shares |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Awards vested in period, fair value |  | $ 148,800,000 | 111,400,000 |
Awards granted in period (in shares) | shares |  | 1,582,800 |  |
Restricted Stock Units (RSUs) |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Awards granted in period (in shares) | shares |  | 1,300,000 |  |
Allocated share-based compensation expense |  | $ 89,600,000 | 76,900,000 |
Performance Stock Units |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Awards granted in period (in shares) | shares |  | 200,000 |  |
Allocated share-based compensation expense |  | $ 11,800,000 | $ 7,400,000 |
Award vesting period |  | 3 years |  |
Expected dividend yield (in percentage) |  | 0.00% | 0.00% |
Performance Stock Units | Share-based Compensation Award, Tranche One |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
PSU annual vesting percentage |  | 33.33% |  |
Performance Stock Units | Share-based Compensation Award, Tranche Two |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
PSU annual vesting percentage |  | 33.33% |  |
Performance Stock Units | Share-based Compensation Award, Tranche Three |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
PSU annual vesting percentage |  | 33.33% |  |
Performance Stock Units | Certain employees |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Awards granted in period (in shares) | shares |  | 96,564 |  |
Common Stock |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Allocated share-based compensation expense |  | $ 2,600,000 | $ 0 |
Common Stock | Spacemaker |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Value of shares authorized |  |  |  | $ 4,900,000
Shares of common stock reserved for issuance (in shares) | shares |  | 16,786 |  |
Restricted Stock | Spacemaker |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Award vesting period |  |  |  | 3 years
Shares issued in period (in shares) | shares |  |  |  | 73,632

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