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13. Legal Proceedings Legal Proceedings (Details) (USD $) | Dec. 31, 2013 | Dec. 31, 2012
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Loss Contingencies [Line Items] |  |
Estimated loss contingency | $ 30,000,000 | $ 0
Interest Payable, Current | 5,000,000 |
Including Interest [Member] |  |
Loss Contingencies [Line Items] |  |
Estimated loss contingency | $ 35,000,000 |

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