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v3.25.1

Investments - Cost, Gross Unrealized Gains and Losses, and Fair Value of Investments (Details) - USD ($) $ in Thousands | Mar. 31, 2025 | Mar. 31, 2024
--- | --- | ---
Cash equivalents: |  |
Cost or Amortized Cost | $ 157,530 | $ 84,229
Gross Unrealized Gains | 0 | 0
Gross Unrealized Losses | (8) | 0
Fair Value | 157,522 | 84,229
Marketable securities: |  |
Cost or Amortized Cost | 704,274 | 669,677
Gross Unrealized Gains | 1,912 | 136
Gross Unrealized Losses | (136) | (3,698)
Fair Value | 706,050 | 666,115
Total cash and cash equivalents and marketable securities, Cost or amortized cost | 861,804 | 753,906
Total cash and cash equivalents and marketable securities, Gross unrealized gains | 1,912 | 136
Total cash and cash equivalents and marketable securities, Gross unrealized Losses | (144) | (3,698)
Total cash equivalents and marketable securities | 863,572 | 750,344
Asset-backed securities |  |
Marketable securities: |  |
Cost or Amortized Cost |  | 121
Gross Unrealized Gains |  | 0
Gross Unrealized Losses |  | 0
Fair Value |  | 121
Commercial paper |  |
Marketable securities: |  |
Cost or Amortized Cost | 42,860 | 70,804
Gross Unrealized Gains | 7 | 1
Gross Unrealized Losses | (4) | (50)
Fair Value | 42,863 | 70,755
Corporate notes and bonds |  |
Marketable securities: |  |
Cost or Amortized Cost | 501,202 | 225,880
Gross Unrealized Gains | 1,373 | 133
Gross Unrealized Losses | (131) | (191)
Fair Value | 502,444 | 225,822
Sovereign bonds |  |
Marketable securities: |  |
Cost or Amortized Cost |  | 7,749
Gross Unrealized Gains |  | 0
Gross Unrealized Losses |  | (73)
Fair Value |  | 7,676
U.S. government and agency securities |  |
Marketable securities: |  |
Cost or Amortized Cost | 160,212 | 365,123
Gross Unrealized Gains | 532 | 2
Gross Unrealized Losses | (1) | (3,384)
Fair Value | 160,743 | 361,741
Commercial paper |  |
Cash equivalents: |  |
Cost or Amortized Cost | 73,055 |
Gross Unrealized Gains | 0 |
Gross Unrealized Losses | (8) |
Fair Value | 73,047 |
Corporate notes and bonds |  |
Cash equivalents: |  |
Cost or Amortized Cost |  | 1,180
Gross Unrealized Gains |  | 0
Gross Unrealized Losses |  | 0
Fair Value |  | 1,180
Money market funds |  |
Cash equivalents: |  |
Cost or Amortized Cost | 84,475 | 83,049
Gross Unrealized Gains | 0 | 0
Gross Unrealized Losses | 0 | 0
Fair Value | $ 84,475 | $ 83,049

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