Quarterly report pursuant to Section 13 or 15(d)

Marketable Securities - Amortized Cost and Fair Value (Details)

v3.8.0.1
Marketable Securities - Amortized Cost and Fair Value (Details) - USD ($)
$ in Thousands
6 Months Ended
Dec. 31, 2017
Jun. 30, 2017
Marketable Securities    
Amortized Cost $ 2,253,176 $ 2,674,437
Gross Unrealized Gains 220 712
Gross Unrealized Losses (9,866) (5,225)
Fair Value 2,243,530 2,669,924
Add: Time deposits [1] 33,581 39,389
Less: Cash equivalents, Amortized Cost 592,315 845,639
Less: Cash equivalents, Gross Unrealized Gains 0 0
Less: Cash equivalents, Gross Unrealized Losses 0 (15)
Less: Cash equivalents, Fair Value 592,315 845,624
Marketable securities, Amortized Cost 1,694,442 1,868,187
Marketable securities, Gross Unrealized Gains 220 712
Marketable securities, Gross Unrealized Losses (9,866) (5,210)
Marketable securities, Fair Value 1,684,796 1,863,689
Corporate debt securities    
Marketable Securities    
Amortized Cost 918,399 1,120,548
Gross Unrealized Gains 204 598
Gross Unrealized Losses (4,245) (1,951)
Fair Value 914,358 1,119,195
Money market funds and other    
Marketable Securities    
Amortized Cost 569,287 616,039
Gross Unrealized Gains 0 0
Gross Unrealized Losses 0 0
Fair Value 569,287 616,039
Sovereign securities    
Marketable Securities    
Amortized Cost 11,496 52,621
Gross Unrealized Gains 0 0
Gross Unrealized Losses (69) (56)
Fair Value 11,427 52,565
U.S. Government agency securities    
Marketable Securities    
Amortized Cost 342,325 510,553
Gross Unrealized Gains 16 62
Gross Unrealized Losses (2,611) (1,789)
Fair Value 339,730 508,826
U.S. Treasury securities    
Marketable Securities    
Amortized Cost 411,669 374,676
Gross Unrealized Gains 0 52
Gross Unrealized Losses (2,941) (1,429)
Fair Value $ 408,728 $ 373,299
Corporate and Government securities    
Marketable Securities    
Investment portfolio, maximum maturity term 3 years  
[1] Time deposits excluded from fair value measurements.