Quarterly report pursuant to Section 13 or 15(d)

MARKETABLE SECURITIES - Amortized Cost and Fair Value (Details)

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