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MARKETABLE SECURITIES - Amortized Cost and Fair Value (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Jun. 30, 2024
--- | --- | ---
Debt Securities, Available-for-sale [Line Items] |  |
Available-for-sale securities, fair value | $ 1,926,189 |
Money market funds and other | 1,215,402 | $ 1,585,832
Subtotal, amortized cost | 2,958,948 | 3,263,058
Subtotal, gross unrealized gains | 4,957 | 1,221
Subtotal, gross unrealized losses | (2,005) | (5,876)
Subtotal, fair value | 2,961,900 | 3,258,403
Add: Time deposits | 265,122 | 932,436
Cash equivalents, amortized cost | 1,300,828 | 1,689,540
Cash equivalents, gross unrealized gains | 5 | 0
Cash equivalents, gross unrealized losses | 0 | (1)
Cash equivalents, fair value | 1,300,833 | 1,689,539
Marketable securities, amortized cost | 1,923,242 | 2,505,954
Marketable securities, gross unrealized gains | 4,952 | 1,221
Marketable securities, gross unrealized losses | (2,005) | (5,875)
Available-for-sale marketable securities, Fair Value | 1,926,189 | 2,501,300
Corporate debt securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Amortized Cost | 874,139 | 775,277
Available-for-sale securities, gross unrealized gains | 3,086 | 973
Available-for-sale securities, gross unrealized losses | (523) | (2,018)
Available-for-sale securities, fair value | 876,702 | 774,232
Municipal securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Amortized Cost | 55,911 | 41,343
Available-for-sale securities, gross unrealized gains | 148 | 13
Available-for-sale securities, gross unrealized losses | (41) | (197)
Available-for-sale securities, fair value | 56,018 | 41,159
U.S. Government agency securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Amortized Cost | 92,412 | 106,101
Available-for-sale securities, gross unrealized gains | 340 | 26
Available-for-sale securities, gross unrealized losses | (89) | (253)
Available-for-sale securities, fair value | 92,663 | 105,874
U.S. Treasury securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Amortized Cost | 721,084 | 754,505
Available-for-sale securities, gross unrealized gains | 1,383 | 209
Available-for-sale securities, gross unrealized losses | (1,352) | (3,408)
Available-for-sale securities, fair value | $ 721,115 | $ 751,306

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