v2.4.0.8

Income Taxes (Effective Income Tax Expense (Benefit) Rate) (Details) | 12 Months Ended
--- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Income Tax [Line Items] |  |  |
Federal statutory tax expense (benefit) rate | 35.00% | 35.00% | (35.00%)
State tax expense (benefit), net of federal benefit | (69.80%) | 3.20% | 6.50%
Depletion in excess of basis | (14.70%) | (0.20%) | 0.00%
Effective Income Tax Rate Reconciliation, Tax Settlements, Domestic | 0.00% | (4.70%) | 0.00%
Valuation allowances | 89.80% | (30.30%) | 57.10%
Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance Due To Reconsolidation | 0.00% | 0.00% | (36.00%)
Effective Income Tax Rate Reconciliation Change in Deferred Tax Assets, Valuation Allowance Due to Foreign Taxes | (19.80%) | (8.20%) | 0.00%
Foreign taxes | (10.80%) | 3.70% | (0.90%)
Intraperiod allocation | 4.50% | 4.60% | 19.90%
Bankruptcy settlement | 0.00% | 0.00% | (15.70%)
Change in unrecognized tax benefits | (30.10%) | 5.10% | (6.60%)
Effective Income Tax Rate Reconciliation Nondeductible Expense Disallowed Compensation | 11.70% | 0.40% | 0.30%
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-based Compensation Cost, Percent | 8.60% | 0.20% | 0.10%
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Other, Percent | 3.30% | 0.30% | 0.40%
Permanent differences and other items | 4.80% | (0.40%) | (0.50%)
Effective income tax expense (benefit) rate | 12.50% | 8.70% | (10.40%)

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