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MARKETABLE SECURITIES - Amortized Cost and Fair Value (Details) $ in Thousands | Dec. 31, 2022 USD ($) investment | Jun. 30, 2022 USD ($)
--- | --- | ---
Debt Securities, Available-for-sale [Line Items] |  |
Amortized Cost | $ 1,300,362 |
Available-for-sale securities, fair value | 1,294,873 |
Money market funds and other | 839,867 | $ 948,027
Equity securities, amortized cost | 3,211 | 3,211
Equity securities, gross unrealized gains | 16,113 | 7,824
Equity securities, gross unrealized losses | 0 | 0
Equity securities, fair value | 19,324 | 11,035
Subtotal, amortized cost | 1,920,695 | 1,972,277
Subtotal, gross unrealized gains | 16,297 | 7,873
Subtotal, gross unrealized losses | (21,786) | (19,778)
Subtotal, fair value | 1,915,206 | 1,960,372
Add: Time deposits | 341,003 | 274,873
Cash equivalents, amortized cost | 961,336 | 1,112,146
Cash equivalents, gross unrealized gains | 0 | 0
Cash equivalents, gross unrealized losses | 0 | (1)
Cash equivalents, fair value | 961,336 | 1,112,145
Marketable securities, amortized cost | 1,300,362 | 1,135,004
Marketable securities, gross unrealized gains | 16,297 | 7,873
Marketable securities, gross unrealized losses | (21,786) | (19,777)
Marketable securities, fair value | $ 1,294,873 | 1,123,100
Number of investments in an unrealized loss position | investment | 509 |
Corporate debt securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Amortized Cost | $ 492,548 | 481,881
Available-for-sale securities, gross unrealized gains | 133 | 3
Available-for-sale securities, gross unrealized losses | (8,388) | (8,915)
Available-for-sale securities, fair value | 484,293 | 472,969
Municipal securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Amortized Cost | 38,909 | 61,973
Available-for-sale securities, gross unrealized gains | 0 | 0
Available-for-sale securities, gross unrealized losses | (1,116) | (1,249)
Available-for-sale securities, fair value | 37,793 | 60,724
Sovereign securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Amortized Cost | 6,034 | 6,041
Available-for-sale securities, gross unrealized gains | 0 | 2
Available-for-sale securities, gross unrealized losses | (30) | (53)
Available-for-sale securities, fair value | 6,004 | 5,990
U.S. Government agency securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Amortized Cost | 88,752 | 92,273
Available-for-sale securities, gross unrealized gains | 8 | 26
Available-for-sale securities, gross unrealized losses | (1,238) | (1,183)
Available-for-sale securities, fair value | 87,522 | 91,116
U.S. Treasury securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Amortized Cost | 451,374 | 378,871
Available-for-sale securities, gross unrealized gains | 43 | 18
Available-for-sale securities, gross unrealized losses | (11,014) | (8,378)
Available-for-sale securities, fair value | $ 440,403 | $ 370,511
Corporate and Government securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Investment portfolio, maximum maturity term | 3 years |

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