| Schedule of available-for-sale marketable securities |
| |
|
Amortized
cost
|
|
|
Gross
unrealized gains
|
|
|
Gross
unrealized losses
|
|
|
Fair value
|
|
|
Matures within one year:
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Corporate bonds
|
|
$
|
413,866
|
|
|
$
|
111
|
|
|
$
|
(4,007
|
)
|
|
$
|
409,970
|
|
|
U.S. Treasury securities
|
|
|
9,289
|
|
|
|
-
|
|
|
|
(38
|
)
|
|
|
9,251
|
|
|
U.S. Government agency securities
|
|
|
6,453
|
|
|
|
2
|
|
|
|
(13
|
)
|
|
|
6,442
|
|
|
Non-U.S. Government securities
|
|
|
4,710
|
|
|
|
-
|
|
|
|
(40
|
)
|
|
|
4,670
|
|
| |
|
|
434,318
|
|
|
|
113
|
|
|
|
(4,098
|
)
|
|
|
430,333
|
|
|
Matures after one year:
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Corporate bonds
|
|
|
78,924
|
|
|
|
248
|
|
|
|
(674
|
)
|
|
|
78,498
|
|
|
U.S. Government agency securities
|
|
|
38,647
|
|
|
|
6
|
|
|
|
(98
|
)
|
|
|
38,555
|
|
|
Non-U.S. Government securities
|
|
|
3,179
|
|
|
|
28
|
|
|
|
-
|
|
|
|
3,207
|
|
| |
|
|
120,750
|
|
|
|
282
|
|
|
|
(772
|
)
|
|
|
120,260
|
|
|
Total
|
|
$
|
555,068
|
|
|
$
|
395
|
|
|
$
|
(4,870
|
)
|
|
$
|
550,593
|
|
| |
|
Amortized
cost
|
|
|
Gross
unrealized gains
|
|
|
Gross
unrealized losses
|
|
|
Fair value
|
|
|
Matures within one year:
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Corporate bonds
|
|
$
|
487,083
|
|
|
$
|
679
|
|
|
$
|
(5,942
|
)
|
|
$
|
481,820
|
|
|
U.S. Treasury securities
|
|
|
15,324
|
|
|
|
-
|
|
|
|
(63
|
)
|
|
|
15,261
|
|
|
U.S. Government agency securities
|
|
|
8,787
|
|
|
|
11
|
|
|
|
(3
|
)
|
|
|
8,795
|
|
|
Non-U.S. Government securities
|
|
|
15,161
|
|
|
|
673
|
|
|
|
(140
|
)
|
|
|
15,694
|
|
| |
|
|
526,355
|
|
|
|
1,363
|
|
|
|
(6,148
|
)
|
|
|
521,570 |
|
Matures after one year:
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Corporate bonds
|
|
|
342,223
|
|
|
|
1,902
|
|
|
|
(4,444
|
)
|
|
|
339,681
|
|
|
U.S. Treasury securities
|
|
|
2,430
|
|
|
|
-
|
|
|
|
(22
|
)
|
|
|
2,408
|
|
|
U.S. Government agency securities
|
|
|
44,100
|
|
|
|
107
|
|
|
|
(121
|
)
|
|
|
44,086
|
|
|
Non-U.S. Government securities
|
|
|
20,488
|
|
|
|
1,162
|
|
|
|
-
|
|
|
|
21,650
|
|
| |
|
|
409,241
|
|
|
|
3,171
|
|
|
|
(4,587
|
)
|
|
|
407,825
|
|
|
Total
|
|
$
|
935,596
|
|
|
$
|
4,534
|
|
|
$
|
(10,735
|
)
|
|
$
|
929,395
|
|