Quarterly report pursuant to Section 13 or 15(d)

MARKETABLE SECURITIES - Amortized Cost and Fair Value (Details)

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MARKETABLE SECURITIES - Amortized Cost and Fair Value (Details)
Dec. 31, 2020
USD ($)
investment
Jun. 30, 2020
USD ($)
Debt Securities, Available-for-sale [Line Items]
Amortized Cost $ 1,590,940,000 $ 1,390,874,000
Gross Unrealized Gains 2,646,000 4,748,000
Gross Unrealized Losses (30,000) (59,000)
Fair Value 1,593,556,000 1,395,563,000
Add: Time deposits 160,301,000 124,153,000
Marketable securities, Amortized Cost 862,449,000 741,374,000
Marketable securities, Gross Unrealized Gains 2,645,000 4,748,000
Marketable securities, Gross Unrealized Losses (30,000) (59,000)
Marketable securities, Fair value $ 865,064,000 746,063,000
Number of investments in an unrealized loss position | investment 39
Investments in continuous loss position, 12 months or more $ 0
Cash and Cash Equivalents
Debt Securities, Available-for-sale [Line Items]
Amortized Cost 888,792,000 773,653,000
Gross Unrealized Gains 1,000 0
Gross Unrealized Losses 0 0
Fair Value 888,793,000 773,653,000
Corporate debt securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost 416,926,000 379,334,000
Gross Unrealized Gains 1,445,000 2,673,000
Gross Unrealized Losses (23,000)
Fair Value 418,348,000 381,957,000
Money market funds and other
Debt Securities, Available-for-sale [Line Items]
Amortized Cost 795,712,000 694,950,000
Gross Unrealized Gains 0 0
Gross Unrealized Losses 0 0
Fair Value 795,712,000 694,950,000
Municipal securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost 39,190,000 28,859,000
Gross Unrealized Gains 165000年 251,000
Gross Unrealized Losses (3,000)
Fair Value 39,352,000 29,110,000
Sovereign securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost 3,056,000 2,009,000
Gross Unrealized Gains 3,000 8,000
Gross Unrealized Losses 0 0
Fair Value 3,059,000 2,017,000
U.S. Government agency securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost 145,774,000 106,091,000
Gross Unrealized Gains 325,000 252,000
Gross Unrealized Losses (3,000)
Fair Value 146,096,000 106336000年
U.S. Treasury securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost 190,282,000 179,631,000
Gross Unrealized Gains 708,000 1,564,000
Gross Unrealized Losses (1,000)
Fair Value $ 190,989,000 $ 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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