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MARKETABLE SECURITIES - Continuous Unrealized Loss Position (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Jun. 30, 2022
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Debt Securities, Available-for-sale [Line Items] |  |
Less than 12 Months, Fair Value | $ 481,491 |
Less than 12 Months, Gross Unrealized Losses | (9,202) |
12 Months or Greater, Fair Value | 482,329 |
12 Months or Greater, Gross Unrealized Losses | (12,584) |
Fair Value | 963,820 | $ 917,488
Gross Unrealized Losses | (21,786) | (19,778)
Corporate debt securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Less than 12 Months, Fair Value | 226,806 |
Less than 12 Months, Gross Unrealized Losses | (3,852) |
12 Months or Greater, Fair Value | 216,074 |
12 Months or Greater, Gross Unrealized Losses | (4,536) |
Fair Value | 442,880 | 458,699
Gross Unrealized Losses | (8,388) | (8,915)
Municipal securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Less than 12 Months, Fair Value | 6,879 |
Less than 12 Months, Gross Unrealized Losses | (183) |
12 Months or Greater, Fair Value | 30,914 |
12 Months or Greater, Gross Unrealized Losses | (933) |
Fair Value | 37,793 | 58,722
Gross Unrealized Losses | (1,116) | (1,249)
Sovereign securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Less than 12 Months, Fair Value | 1,006 |
Less than 12 Months, Gross Unrealized Losses | (3) |
12 Months or Greater, Fair Value | 1,974 |
12 Months or Greater, Gross Unrealized Losses | (27) |
Fair Value | 2,980 | 2,963
Gross Unrealized Losses | (30) | (53)
U.S. Government agency securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Less than 12 Months, Fair Value | 30,398 |
Less than 12 Months, Gross Unrealized Losses | (140) |
12 Months or Greater, Fair Value | 36,268 |
12 Months or Greater, Gross Unrealized Losses | (1,098) |
Fair Value | 66,666 | 60,285
Gross Unrealized Losses | (1,238) | (1,183)
U.S. Treasury securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Less than 12 Months, Fair Value | 216,402 |
Less than 12 Months, Gross Unrealized Losses | (5,024) |
12 Months or Greater, Fair Value | 197,099 |
12 Months or Greater, Gross Unrealized Losses | (5,990) |
Fair Value | 413,501 | 336,819
Gross Unrealized Losses | $ (11,014) | $ (8,378)

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