v2.4.0.8

Cash and Cash Equivalents and Short-term Investments | 12 Months Ended
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Dec. 31, 2013
Cash and Cash Equivalents and Short-term Investments |
Cash and Cash Equivalents and Short-term Investments | Note 7 Cash and Cash Equivalents and Short-term Investments Our cash and cash equivalents and short-term investments consisted of the following:
|  | 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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We sold our trading equity securities during the first quarter of 2013. Certain information related to our cash and cash equivalents and short-term investments follows:
|  | 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 | )
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Total available-for-sale securities |  |  | 117,218 |  |  | 72,530 |  |  | (56 | ) |  | 200,577 |  |  | 139,205 |  |  | (1,225 | )
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Total short-term investments |  |  | 117,218 |  |  | 72,530 |  |  | (56 | ) |  | 253,282 |  |  | 186,186 |  |  | (1,225 | )
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Total cash, cash equivalents and short-term investments |  | $ | 507,133 |  | $ | 72,530 |  | $ | (56 | ) | $ | 778,204 |  | $ | 186,186 |  | $ | (1,225 | )
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Certain information related to the gross unrealized losses of our cash and cash equivalents and short-term investments follows:
|  | 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) |  |  |  |  |  |  |  |  |  |  |  |  |
Mortgage-CMO debt securities |  |  | — |  |  | — |  |  | 20 |  |  | 2 |
Asset-backed debt securities |  |  | 395 |  |  | 54 |  |  | — |  |  | — |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Total available-for-sale debt securities |  |  | 395 |  |  | 54 |  |  | 20 |  |  | 2 |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Total |  | $ | 395 |  | $ | 54 |  | $ | 20 |  | $ | 2 |
The estimated fair values of our corporate, mortgage-backed, mortgage-CMO and asset-backed debt securities at December 31, 2013, classified by time to contractual maturity, are shown below. Expected maturities differ from contractual maturities because the issuers of the securities may have the right to repay obligations without prepayment penalties and we may elect to sell the securities prior to the contractual maturity date.
|  | 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 |
​ | ​ | ​ | ​ | ​
Certain information regarding our debt and equity securities is presented below:
|  | 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 |

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