|
Cash and Cash Equivalents and Short-term Investments (Tables)
|
12 Months Ended |
|
Dec. 31, 2013
|
| Cash and Cash Equivalents and Short-term Investments |
|
| Cash and cash equivalents and short-term investments |
|
|
|
|
|
|
|
|
|
|
December 31, |
|
|
|
2013 |
|
2012 |
|
|
|
(In thousands)
|
|
|
Cash and cash equivalents |
|
$ |
389,915 |
|
$ |
524,922 |
|
|
Short-term investments: |
|
|
|
|
|
|
|
|
Trading equity securities |
|
|
— |
|
|
52,705 |
|
|
Available-for-sale equity securities |
|
|
96,942 |
|
|
174,610 |
|
|
Available-for-sale debt securities |
|
|
20,276 |
|
|
25,967 |
|
| |
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
Total short-term investments |
|
$ |
117,218 |
|
$ |
253,282 |
|
| |
|
|
|
|
|
| |
|
|
|
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| Certain information related to our cash and cash equivalents and short term investments |
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December 31, |
|
|
|
Fair Value |
|
2013
Gross
Unrealized
Holding
Gains |
|
Gross
Unrealized
Holding
Losses |
|
Fair Value |
|
2012
Gross
Unrealized
Holding
Gains |
|
Gross
Unrealized
Holding
Losses |
|
|
|
(In thousands)
|
|
|
Cash and cash equivalents |
|
$ |
389,915 |
|
$ |
— |
|
$ |
— |
|
$ |
524,922 |
|
$ |
— |
|
$ |
— |
|
|
Short-term investments: |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Trading equity securities |
|
|
— |
|
|
— |
|
|
— |
|
|
52,705 |
|
|
46,981 |
|
|
— |
|
|
Available-for-sale equity securities |
|
|
96,942 |
|
|
68,395 |
|
|
— |
|
|
174,610 |
|
|
137,282 |
|
|
(1,030 |
) |
|
Available-for-sale debt securities: |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Commercial paper and CDs |
|
|
— |
|
|
— |
|
|
— |
|
|
206 |
|
|
— |
|
|
— |
|
|
Corporate debt securities |
|
|
19,388 |
|
|
4,122 |
|
|
— |
|
|
23,399 |
|
|
1,870 |
|
|
— |
|
|
Mortgage-backed debt securities |
|
|
210 |
|
|
11 |
|
|
— |
|
|
244 |
|
|
15 |
|
|
— |
|
|
Mortgage-CMO debt securities |
|
|
20 |
|
|
— |
|
|
(2 |
) |
|
523 |
|
|
10 |
|
|
(3 |
) |
|
Asset-backed debt securities |
|
|
658 |
|
|
2 |
|
|
(54 |
) |
|
1,595 |
|
|
28 |
|
|
(192 |
) |
| |
|
|
|
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| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Total available-for-sale debt securities |
|
|
20,276 |
|
|
4,135 |
|
|
(56 |
) |
|
25,967 |
|
|
1,923 |
|
|
(195 |
) |
| |
|
|
|
|
|
|
|
|
|
|
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|
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| |
|
|
|
|
|
|
|
|
|
|
|
|
|
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|
|
|
|
|
|
Total available-for-sale securities |
|
|
117,218 |
|
|
72,530 |
|
|
(56 |
) |
|
200,577 |
|
|
139,205 |
|
|
(1,225 |
) |
| |
|
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| |
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|
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|
Total short-term investments |
|
|
117,218 |
|
|
72,530 |
|
|
(56 |
) |
|
253,282 |
|
|
186,186 |
|
|
(1,225 |
) |
| |
|
|
|
|
|
|
|
|
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|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Total cash, cash equivalents and short-term investments |
|
$ |
507,133 |
|
$ |
72,530 |
|
$ |
(56 |
) |
$ |
778,204 |
|
$ |
186,186 |
|
$ |
(1,225 |
) |
| |
|
|
|
|
|
|
|
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| |
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| Gross unrealized losses of cash and cash equivalents and short-term investments |
|
|
|
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As of December 31, 2013 |
|
|
|
Less Than 12 Months |
|
More Than 12 Months |
|
|
|
Fair Value |
|
Gross
Unrealized
Losses |
|
Fair Value |
|
Gross
Unrealized
Losses |
|
|
|
(In thousands)
|
|
|
Available-for-sale equity securities |
|
$ |
— |
|
$ |
— |
|
$ |
— |
|
$ |
— |
|
|
Available-for-sale debt securities:(1) |
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|
|
|
|
|
|
|
|
|
|
|
|
|
Mortgage-CMO debt securities |
|
|
— |
|
|
— |
|
|
20 |
|
|
2 |
|
|
Asset-backed debt securities |
|
|
395 |
|
|
54 |
|
|
— |
|
|
— |
|
| |
|
|
|
|
|
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|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Total available-for-sale debt securities |
|
|
395 |
|
|
54 |
|
|
20 |
|
|
2 |
|
| |
|
|
|
|
|
|
|
|
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| |
|
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|
Total |
|
$ |
395 |
|
$ |
54 |
|
$ |
20 |
|
$ |
2 |
|
|
| Estimated fair values of corporate, mortgage-backed, mortgage-CMO and asset-backed debt securities |
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|
Estimated
Fair Value
December 31, 2013 |
|
|
|
(In thousands)
|
|
|
Debt securities: |
|
|
|
|
|
Due in one year or less |
|
$ |
— |
|
|
Due after one year through five years |
|
|
15,600 |
|
|
Due in more than five years |
|
|
4,676 |
|
| |
|
|
|
| |
|
|
|
|
|
Total debt securities |
|
$ |
20,276 |
|
| |
|
|
|
| |
|
|
|
|
|
| Debt and equity securities |
|
|
|
|
|
|
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|
|
|
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|
Year Ended December 31, |
|
|
|
2013 |
|
2012 |
|
2011 |
|
|
|
(In thousands)
|
|
|
Available-for-sale |
|
|
|
|
|
|
|
|
|
|
|
Proceeds from sales and maturities |
|
$ |
107,586 |
|
$ |
24,010 |
|
$ |
12,672 |
|
|
Realized gains (losses), net |
|
$ |
88,158 |
|
$ |
13,405 |
|
$ |
3,036 |
|
|