| Schedule of available-for-sale marketable securities |
| |
|
Amortized cost
|
|
|
Gross unrealized gains
|
|
|
Gross unrealized losses
|
|
|
Fair value
|
|
|
Matures within one year:
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Corporate bonds
|
|
$
|
350,590
|
|
|
$
|
164
|
|
|
$
|
(1,505
|
)
|
|
$
|
349,249
|
|
|
U.S. Treasury securities
|
|
|
9,925
|
|
|
|
-
|
|
|
|
(7
|
)
|
|
|
9,918
|
|
|
U.S. Government agency securities
|
|
|
13,284
|
|
|
|
25
|
|
|
|
-
|
|
|
|
13,309
|
|
|
Non-U.S. Government securities
|
|
|
2,400
|
|
|
|
-
|
|
|
|
(7
|
)
|
|
|
2,393
|
|
| |
|
|
376,199
|
|
|
|
189
|
|
|
|
(1,519
|
)
|
|
|
374,869
|
|
|
Matures after one year:
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Corporate bonds
|
|
|
46,103
|
|
|
|
638
|
|
|
|
(50
|
)
|
|
|
46,691
|
|
|
U.S. Government agency securities
|
|
|
9,280
|
|
|
|
70
|
|
|
|
-
|
|
|
|
9,350
|
|
| |
|
|
55,383
|
|
|
|
708
|
|
|
|
(50
|
)
|
|
|
56,041
|
|
|
Total
|
|
$
|
431,582
|
|
|
$
|
897
|
|
|
$
|
(1,569
|
)
|
|
$
|
430,910
|
|
| |
|
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
|
|
|