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MARKETABLE SECURITIES - Amortized Cost and Fair Value (Details) - USD ($) $ in Thousands | Jun. 30, 2024 | Jun. 30, 2023
--- | --- | ---
Debt Securities, Available-for-Sale [Line Items] |  |
Available-for-sale securities, fair value | $ 2,501,300 |
Money market funds and other | 1,585,832 | $ 1,257,223
Subtotal, amortized cost | 3,263,058 | 2,471,232
Subtotal, gross unrealized gains | 1,221 | 66
Subtotal, gross unrealized losses | (5,876) | (16,350)
Subtotal, fair value | 3,258,403 | 2,454,948
Add: Time deposits | 932,436 | 471,439
Cash equivalents, amortized cost | 1,689,540 | 1,629,248
Cash equivalents, gross unrealized gains | 0 | 4
Cash equivalents, gross unrealized losses | (1) | 0
Cash equivalents, fair value | 1,689,539 | 1,629,252
Marketable securities, amortized cost | 2,505,954 | 1,313,423
Marketable securities, gross unrealized gains | 1,221 | 62
Marketable securities, gross unrealized losses | (5,875) | (16,350)
Available-for-sale marketable securities, Fair Value | 2,501,300 | 1,297,135
Corporate debt securities |  |
Debt Securities, Available-for-Sale [Line Items] |  |
Amortized Cost | 775,277 | 508,511
Available-for-sale securities, gross unrealized gains | 973 | 52
Available-for-sale securities, gross unrealized losses | (2,018) | (5,913)
Available-for-sale securities, fair value | 774,232 | 502,650
Municipal securities |  |
Debt Securities, Available-for-Sale [Line Items] |  |
Amortized Cost | 41,343 | 32,525
Available-for-sale securities, gross unrealized gains | 13 | 0
Available-for-sale securities, gross unrealized losses | (197) | (737)
Available-for-sale securities, fair value | 41,159 | 31,788
U.S. Government agency securities |  |
Debt Securities, Available-for-Sale [Line Items] |  |
Amortized Cost | 106,101 | 134,486
Available-for-sale securities, gross unrealized gains | 26 | 4
Available-for-sale securities, gross unrealized losses | (253) | (918)
Available-for-sale securities, fair value | 105,874 | 133,572
U.S. Treasury securities |  |
Debt Securities, Available-for-Sale [Line Items] |  |
Amortized Cost | 754,505 | 538,487
Available-for-sale securities, gross unrealized gains | 209 | 10
Available-for-sale securities, gross unrealized losses | (3,408) | (8,782)
Available-for-sale securities, fair value | $ 751,306 | $ 529,715

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