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Short-Term Investments
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12 Months Ended | ||||||||||||||||||||||||
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Dec. 31, 2011
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| Short-Term Investments [Abstract] | |||||||||||||||||||||||||
| Short-Term Investments | 10. Short-Term Investments
The components of short-term investments include the following:
As of December 31, 2011, the average remaining maturity of these investments was 75 days, with a weighted average yield of 0.28 percent. |
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