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12. Legal Proceedings 12. Contingent Liability (Details) (USD $) | 3 Months Ended |
--- | --- | ---
Mar. 31, 2014 | Dec. 31, 2013
Loss Contingencies [Line Items] |  |
Estimated loss contingency | $ 39,800,000 | $ 30,000,000
Loss Contingency Accrual, Provision | 8,000,000 |
Including Interest [Member] |  |
Loss Contingencies [Line Items] |  |
Estimated loss contingency | 43,000,000 |
Interest Expense [Member] |  |
Loss Contingencies [Line Items] |  |
Loss Contingency Accrual, Provision | (1,800,000) |
Selling, General and Administrative Expenses [Member] |  |
Loss Contingencies [Line Items] |  |
Loss Contingency Accrual, Provision | 9,800,000 |
Accrued Interest [Member] |  |
Loss Contingencies [Line Items] |  |
Estimated loss contingency | $ 3,200,000 |

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- Definition Amount of loss contingency liability expected to be resolved within one year or the normal operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349 + Details
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- Definition Amount charged against operating income increasing loss contingency liability, after adjustments to reduce previously estimated charges. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349 + Details
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