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MARKETABLE SECURITIES - Additional Information (Details) $ in Millions | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Mar. 31, 2025 USD ($) investment | Mar. 31, 2024 USD ($) | Mar. 31, 2025 USD ($) investment | Mar. 31, 2024 USD ($) | Jun. 30, 2024 USD ($)
Debt Securities, Available-for-sale [Line Items] |  |  |  |  |
Number of investments in an unrealized loss position | investment | 116 |  | 116 |  |
Equity securities, cost | $ 22.9 |  | $ 22.9 |  | $ 22.9
Unrealized losses for equity marketable securities | $ 3.7 | $ 5.4 | $ 13.3 | $ 8.6 |
Corporate and Government securities |  |  |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |  |  |
Investment portfolio, maximum maturity term | 3 years |  | 3 years |  |

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