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v3.25.1

Share-Based Compensation - Employee Stock Purchase Plan (Details) - Employee Stock Purchase Plans - USD ($) $ in Millions | 12 Months Ended
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Mar. 31, 2025 | Mar. 31, 2024 | Mar. 31, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Share based compensation arrangement by share based payment award, market price offering date percentage | 85.00% |  |
Shares authorized (in shares) | 36,088,751 |  |
Number of shares available for grant (in shares) | 8,115,202 |  |
Stock issued during period, shares, employee stock purchase plans (in shares) | 1,102,689 | 1,375,324 | 1,424,850
Stock issued during period, value, employee stock purchase plan | $ 65.5 | $ 81.7 | $ 81.2
Unvested share-based payment awards | $ 6.6 |  |
Weighted average remaining expense recognition period (in years) | 5 months |  |

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