| MARKETABLE SECURITIES |
MARKETABLE SECURITIES The amortized cost and fair value of marketable securities as of the dates indicated below were as follows:
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| As of June 30, 2021 (In thousands) |
Amortized
Cost |
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Gross
Unrealized
Gains |
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Gross
Unrealized
Losses |
|
Fair Value |
| Corporate debt securities |
$ |
468,192 |
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|
$ |
689 |
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|
$ |
(135) |
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|
$ |
468,746 |
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| Money market funds and other |
691,375 |
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— |
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— |
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|
691,375 |
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| Municipal securities |
70,155 |
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106 |
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(33) |
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70,228 |
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| Sovereign securities |
3,045 |
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7 |
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— |
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|
3,052 |
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| U.S. Government agency securities |
145,810 |
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160 |
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(49) |
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145,921 |
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| U.S. Treasury securities |
233,052 |
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129 |
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(117) |
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233,064 |
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Equity securities(1)
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3,211 |
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26,719 |
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— |
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29,930 |
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| Subtotal |
1,614,840 |
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27,810 |
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(334) |
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1,642,316 |
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Add: Time deposits(2)
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210,636 |
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— |
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— |
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210,636 |
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| Less: Cash equivalents |
793,040 |
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— |
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— |
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793,040 |
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| Marketable securities |
$ |
1,032,436 |
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$ |
27,810 |
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$ |
(334) |
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$ |
1,059,912 |
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| As of June 30, 2020 (In thousands) |
Amortized
Cost |
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Gross
Unrealized
Gains |
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Gross
Unrealized
Losses |
|
Fair Value |
| Corporate debt securities |
$ |
379,334 |
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$ |
2,673 |
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$ |
(50) |
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$ |
381,957 |
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| Money market funds and other |
694,950 |
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— |
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— |
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694,950 |
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| Municipal securities |
28,859 |
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251 |
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— |
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29,110 |
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| Sovereign securities |
2,009 |
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8 |
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— |
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2,017 |
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| U.S. Government agency securities |
106,091 |
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252 |
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(7) |
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106,336 |
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| U.S. Treasury securities |
179,631 |
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1,564 |
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(2) |
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181,193 |
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| Subtotal |
1,390,874 |
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4,748 |
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(59) |
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1,395,563 |
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Add: Time deposits(2)
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124,153 |
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— |
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— |
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124,153 |
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| Less: Cash equivalents |
773,653 |
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— |
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— |
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773,653 |
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| Marketable securities |
$ |
741,374 |
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$ |
4,748 |
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$ |
(59) |
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$ |
746,063 |
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__________________
(1)Unrealized gains on equity securities included in our portfolio consist of the initial fair value adjustment recorded upon a security becoming marketable.
(2)Time deposits excluded from fair value measurements.
Our investment portfolio includes both corporate and government securities that have a maximum maturity of three years. The longer the duration of these securities, the more susceptible they are to changes in market interest rates and bond yields. As yields increase, those securities with a lower yield-at-cost show a mark-to-market unrealized loss. Most of our unrealized losses are due to changes in market interest rates, and bond yields. We believe that we have the ability to realize the full value of all of these investments upon maturity. As of June 30, 2021, we had 208 investments in an unrealized loss position. The following table summarizes the fair value and gross unrealized losses of our investments that were in an unrealized loss position as of the date indicated below, none of which were in a continuous loss position for 12 months or more:
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| As of June 30, 2021 (In thousands) |
Fair Value |
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Gross
Unrealized
Losses |
| Corporate debt securities |
$ |
161,012 |
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$ |
(135) |
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| Municipal securities |
21,605 |
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(33) |
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| U.S. Government agency securities |
38,904 |
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(49) |
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| U.S. Treasury securities |
117,761 |
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(117) |
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| Total |
$ |
339,282 |
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$ |
(334) |
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The contractual maturities of securities classified as available-for-sale, regardless of their classification on our Consolidated Balance Sheets, as of the date indicated below were as follows:
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| As of June 30, 2021 (In thousands) |
Amortized
Cost |
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Fair Value |
| Due within one year |
$ |
519,815 |
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$ |
547,291 |
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| Due after one year through three years |
512,621 |
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512,621 |
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$ |
1,032,436 |
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$ |
1,059,912 |
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