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v3.21.1

MARKETABLE SECURITIES - Amortized Cost and Fair Value (Details) | Mar. 31, 2021 USD ($) investment | Jun. 30, 2020 USD ($)
--- | --- | ---
Debt Securities, Available-for-sale [Line Items] |  |
Amortized Cost | $ 1,625,069,000 | $ 1,390,874,000
Gross Unrealized Gains | 1,586,000 | 4,748,000
Gross Unrealized Losses | (265,000) | (59,000)
Fair Value | 1,626,390,000 | 1,395,563,000
Add: Time deposits | 161,819,000 | 124,153,000
Marketable securities, Amortized Cost | 989,253,000 | 741,374,000
Marketable securities, Gross Unrealized Gains | 1,586,000 | 4,748,000
Marketable securities, Gross Unrealized Losses | (264,000) | (59,000)
Marketable securities, Fair value | $ 990,575,000 | 746,063,000
Number of investments in an unrealized loss position | investment | 214 |
Investments in continuous loss position, 12 months or more | $ 0 |
Cash and Cash Equivalents |  |
Debt Securities, Available-for-sale [Line Items] |  |
Amortized Cost | 797,635,000 | 773,653,000
Gross Unrealized Gains | 0 | 0
Gross Unrealized Losses | (1,000) | 0
Fair Value | 797,634,000 | 773,653,000
Corporate debt securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Amortized Cost | 443,407,000 | 379,334,000
Gross Unrealized Gains | 840,000 | 2,673,000
Gross Unrealized Losses | (180,000) |
Fair Value | 444,067,000 | 381,957,000
Money market funds and other |  |
Debt Securities, Available-for-sale [Line Items] |  |
Amortized Cost | 723,040,000 | 694,950,000
Gross Unrealized Gains | 0 | 0
Gross Unrealized Losses | 0 | 0
Fair Value | 723,040,000 | 694,950,000
Municipal securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Amortized Cost | 68,686,000 | 28,859,000
Gross Unrealized Gains | 137,000 | 251,000
Gross Unrealized Losses | (20,000) |
Fair Value | 68,803,000 | 29,110,000
Sovereign securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Amortized Cost | 3,050,000 | 2,009,000
Gross Unrealized Gains | 7,000 | 8,000
Gross Unrealized Losses | 0 | 0
Fair Value | 3,057,000 | 2,017,000
U.S. Government agency securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Amortized Cost | 147,483,000 | 106,091,000
Gross Unrealized Gains | 226,000 | 252,000
Gross Unrealized Losses | (36,000) |
Fair Value | 147,673,000 | 106,336,000
U.S. Treasury securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Amortized Cost | 239,403,000 | 179,631,000
Gross Unrealized Gains | 376,000 | 1,564,000
Gross Unrealized Losses | (29,000) |
Fair Value | $ 239,750,000 | $ 181,193,000
Corporate and Government securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Investment portfolio, maximum maturity term | 3 years |

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