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MARKETABLE SECURITIES - Continuous Unrealized Loss Position (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Jun. 30, 2024
--- | --- | ---
Debt Securities, Available-for-sale [Line Items] |  |
Less than 12 months, fair value | $ 474,035 | $ 897,988
Less than 12 months, gross unrealized losses | (1,641) | (2,200)
12 months or greater, fair value | 98,391 | 295,809
12 months or greater, gross unrealized losses | (364) | (3,676)
Fair Value | 572,426 | 1,193,797
Gross Unrealized Losses | (2,005) | (5,876)
Corporate debt securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Less than 12 months, fair value | 172,297 | 355,882
Less than 12 months, gross unrealized losses | (410) | (942)
12 months or greater, fair value | 41,908 | 100,957
12 months or greater, gross unrealized losses | (113) | (1,076)
Fair Value | 214,205 | 456,839
Gross Unrealized Losses | (523) | (2,018)
Municipal securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Less than 12 months, fair value | 15,675 | 17,364
Less than 12 months, gross unrealized losses | (33) | (81)
12 months or greater, fair value | 2,453 | 10,788
12 months or greater, gross unrealized losses | (8) | (116)
Fair Value | 18,128 | 28,152
Gross Unrealized Losses | (41) | (197)
U.S. Government agency securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Less than 12 months, fair value | 17,245 | 58,598
Less than 12 months, gross unrealized losses | (89) | (137)
12 months or greater, fair value | 0 | 17,197
12 months or greater, gross unrealized losses | 0 | (116)
Fair Value | 17,245 | 75,795
Gross Unrealized Losses | (89) | (253)
U.S. Treasury securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Less than 12 months, fair value | 268,818 | 466,144
Less than 12 months, gross unrealized losses | (1,109) | (1,040)
12 months or greater, fair value | 54,030 | 166,867
12 months or greater, gross unrealized losses | (243) | (2,368)
Fair Value | 322,848 | 633,011
Gross Unrealized Losses | $ (1,352) | $ (3,408)

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