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MARKETABLE SECURITIES - Amortized Cost and Fair Value (Details) - USD ($) $ in Thousands | Mar. 31, 2025 | Jun. 30, 2024
--- | --- | ---
Debt Securities, Available-for-sale [Line Items] |  |
Available-for-sale securities, fair value | $ 2,158,345 |
Money market funds and other | 1,275,947 | $ 1,585,832
Subtotal, amortized cost | 3,196,924 | 3,263,058
Subtotal, gross unrealized gains | 6,506 | 1,221
Subtotal, gross unrealized losses | (596) | (5,876)
Subtotal, fair value | 3,202,834 | 3,258,403
Add: Time deposits | 340,461 | 932,436
Cash equivalents, amortized cost | 1,384,950 | 1,689,540
Cash equivalents, gross unrealized gains | 0 | 0
Cash equivalents, gross unrealized losses | 0 | (1)
Cash equivalents, fair value | 1,384,950 | 1,689,539
Marketable securities, amortized cost | 2,152,435 | 2,505,954
Marketable securities, gross unrealized gains | 6,506 | 1,221
Marketable securities, gross unrealized losses | (596) | (5,875)
Available-for-sale marketable securities, Fair Value | 2,158,345 | 2,501,300
Corporate debt securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Amortized Cost | 968,847 | 775,277
Available-for-sale securities, gross unrealized gains | 3,699 | 973
Available-for-sale securities, gross unrealized losses | (98) | (2,018)
Available-for-sale securities, fair value | 972,448 | 774,232
Municipal securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Amortized Cost | 55,416 | 41,343
Available-for-sale securities, gross unrealized gains | 137 | 13
Available-for-sale securities, gross unrealized losses | (13) | (197)
Available-for-sale securities, fair value | 55,540 | 41,159
U.S. Government agency securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Amortized Cost | 95,736 | 106,101
Available-for-sale securities, gross unrealized gains | 369 | 26
Available-for-sale securities, gross unrealized losses | (54) | (253)
Available-for-sale securities, fair value | 96,051 | 105,874
U.S. Treasury securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Amortized Cost | 800,978 | 754,505
Available-for-sale securities, gross unrealized gains | 2,301 | 209
Available-for-sale securities, gross unrealized losses | (431) | (3,408)
Available-for-sale securities, fair value | $ 802,848 | $ 751,306

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