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MARKETABLE SECURITIES - Continuous Unrealized Loss Position (Details) - USD ($) $ in Thousands | Jun. 30, 2025 | Jun. 30, 2024
--- | --- | ---
Investments in an Unrealized Loss Position |  |
Less than 12 Months, Fair Value | $ 375,330 | $ 897,988
Less than 12 Months, Gross Unrealized Losses | (419) | (2,200)
12 Months or Greater, Fair Value | 22,858 | 295,809
12 Months or Greater, Gross Unrealized Losses | (35) | (3,676)
Fair Value | 398,188 | 1,193,797
Gross Unrealized Losses | (454) | (5,876)
Corporate debt securities |  |
Investments in an Unrealized Loss Position |  |
Less than 12 Months, Fair Value | 98,149 | 355,882
Less than 12 Months, Gross Unrealized Losses | (63) | (942)
12 Months or Greater, Fair Value | 2,528 | 100,957
12 Months or Greater, Gross Unrealized Losses | (3) | (1,076)
Fair Value | 100,677 | 456,839
Gross Unrealized Losses | (66) | (2,018)
Municipal securities |  |
Investments in an Unrealized Loss Position |  |
Less than 12 Months, Fair Value | 5,774 | 17,364
Less than 12 Months, Gross Unrealized Losses | (1) | (81)
12 Months or Greater, Fair Value | 0 | 10,788
12 Months or Greater, Gross Unrealized Losses | 0 | (116)
Fair Value | 5,774 | 28,152
Gross Unrealized Losses | (1) | (197)
U.S. Government agency securities |  |
Investments in an Unrealized Loss Position |  |
Less than 12 Months, Fair Value | 32,780 | 58,598
Less than 12 Months, Gross Unrealized Losses | (58) | (137)
12 Months or Greater, Fair Value | 0 | 17,197
12 Months or Greater, Gross Unrealized Losses | 0 | (116)
Fair Value | 32,780 | 75,795
Gross Unrealized Losses | (58) | (253)
U.S. Treasury securities |  |
Investments in an Unrealized Loss Position |  |
Less than 12 Months, Fair Value | 238,627 | 466,144
Less than 12 Months, Gross Unrealized Losses | (297) | (1,040)
12 Months or Greater, Fair Value | 20,330 | 166,867
12 Months or Greater, Gross Unrealized Losses | (32) | (2,368)
Fair Value | 258,957 | 633,011
Gross Unrealized Losses | $ (329) | $ (3,408)

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