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MARKETABLE SECURITIES (Tables) | 12 Months Ended
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Jun. 30, 2025
Investments, Debt and Equity Securities [Abstract] |
Schedule of Amortized Cost and Fair Value of Fixed Income Marketable Securities | The amortized cost and fair value of our fixed income marketable securities as of the dates indicated below were as follows:
As of June 30, 2025 (In thousands) | Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Fair Value
Corporate debt securities | $ | 957,256 |  |  | $ | 4,456 |  |  | $ | (66) |  |  | $ | 961,646 |
Money market funds and other | 1,531,022 |  |  | — |  |  | — |  |  | 1,531,022 |
Municipal securities | 57,445 |  |  | 129 |  |  | (1) |  |  | 57,573 |
U.S. Government agency securities | 116,436 |  |  | 458 |  |  | (58) |  |  | 116,836 |
U.S. Treasury securities | 885,101 |  |  | 2,787 |  |  | (329) |  |  | 887,559 |
Subtotal | 3,547,260 |  |  | 7,830 |  |  | (454) |  |  | 3,554,636 |
Add: Time deposits(1) | 478,191 |  |  | — |  |  | — |  |  | 478,191 |
Less: Cash equivalents | 1,641,074 |  |  | 1 |  |  | (1) |  |  | 1,641,074 |
Marketable securities(2) | $ | 2,384,377 |  |  | $ | 7,829 |  |  | $ | (453) |  |  | $ | 2,391,753 |
As of June 30, 2024 (In thousands) | Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Fair Value
Corporate debt securities | $ | 775,277 |  |  | $ | 973 |  |  | $ | (2,018) |  |  | $ | 774,232 |
Money market funds and other | 1,585,832 |  |  | — |  |  | — |  |  | 1,585,832 |
Municipal securities | 41,343 |  |  | 13 |  |  | (197) |  |  | 41,159 |
U.S. Government agency securities | 106,101 |  |  | 26 |  |  | (253) |  |  | 105,874 |
U.S. Treasury securities | 754,505 |  |  | 209 |  |  | (3,408) |  |  | 751,306 |
Subtotal | 3,263,058 |  |  | 1,221 |  |  | (5,876) |  |  | 3,258,403 |
Add: Time deposits(1) | 932,436 |  |  | — |  |  | — |  |  | 932,436 |
Less: Cash equivalents | 1,689,540 |  |  | — |  |  | (1) |  |  | 1,689,539 |
Marketable securities(2) | $ | 2,505,954 |  |  | $ | 1,221 |  |  | $ | (5,875) |  |  | $ | 2,501,300 |
__________________ (1)Time deposits excluded from fair value measurements. (2)Excludes equity marketable securities.
Schedule of Debt Securities, Available-for-Sale, Unrealized Loss Position, Fair Value | The following table summarizes the fair value and gross unrealized losses of our investments that were in an unrealized loss position as of the dates indicated below:
As of June 30, 2025 | Less than 12 Months |  | 12 Months or Greater |  | Total
(In thousands) | Fair Value |  | Gross Unrealized Losses |  | Fair Value |  | Gross Unrealized Losses |  | Fair Value |  | Gross Unrealized Losses
Corporate debt securities | $ | 98,149 |  |  | $ | (63) |  |  | $ | 2,528 |  |  | $ | (3) |  |  | $ | 100,677 |  |  | $ | (66) |
Municipal securities | 5,774 |  |  | (1) |  |  | — |  |  | — |  |  | 5,774 |  |  | (1) |
U.S. Government agency securities | 32,780 |  |  | (58) |  |  | — |  |  | — |  |  | 32,780 |  |  | (58) |
U.S. Treasury securities | 238,627 |  |  | (297) |  |  | 20,330 |  |  | (32) |  |  | 258,957 |  |  | (329) |
Total | $ | 375,330 |  |  | $ | (419) |  |  | $ | 22,858 |  |  | $ | (35) |  |  | $ | 398,188 |  |  | $ | (454) |
As of June 30, 2024 | Less than 12 Months |  | 12 Months or Greater |  | Total
(In thousands) | Fair Value |  | Gross Unrealized Losses |  | Fair Value |  | Gross Unrealized Losses |  | Fair Value |  | Gross Unrealized Losses
Corporate debt securities | $ | 355,882 |  |  | $ | (942) |  |  | $ | 100,957 |  |  | $ | (1,076) |  |  | $ | 456,839 |  |  | $ | (2,018) |
Municipal securities | 17,364 |  |  | (81) |  |  | 10,788 |  |  | (116) |  |  | 28,152 |  |  | (197) |
U.S. Government agency securities | 58,598 |  |  | (137) |  |  | 17,197 |  |  | (116) |  |  | 75,795 |  |  | (253) |
U.S. Treasury securities | 466,144 |  |  | (1,040) |  |  | 166,867 |  |  | (2,368) |  |  | 633,011 |  |  | (3,408) |
Total | $ | 897,988 |  |  | $ | (2,200) |  |  | $ | 295,809 |  |  | $ | (3,676) |  |  | $ | 1,193,797 |  |  | $ | (5,876) |
Schedule of Contractual Maturities of Securities | The contractual maturities of securities classified as available-for-sale, regardless of their classification on our Consolidated Balance Sheets, as of the date indicated below were as follows:
As of June 30, 2025 (In thousands) | Amortized Cost |  | Fair Value
Due within one year | $ | 1,244,804 |  |  | $ | 1,246,095 |
Due after one year through three years | 1,139,573 |  |  | 1,145,658 |
Total | $ | 2,384,377 |  |  | $ | 2,391,753 |

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