v2.4.0.6
Income Taxes (Effective Income Tax Expense (Benefit) Rate) (Details)
12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Income Tax [Line Items]      
Federal statutory tax expense (benefit) rate (35.00%) (35.00%) 35.00%
State tax expense (benefit), net of federal benefit 6.50% 2.80% 1.00%
Depletion in excess of basis 0.00% (1.30%) 0.00%
Valuation allowances 56.70% 33.60% (139.20%)
Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance Due To Reconsolidation (36.00%) 0.00% 0.00%
Foreign taxes (0.90%) 9.90% (9.20%)
Non-deductible reorganization items 0.50% 0.30% 1.30%
Income from cancellation of indebtedness 0.00% 0.00% 69.00%
Intraperiod allocation 19.90% (40.10%) 45.40%
Bankruptcy settlement (15.70%) 0.00% 0.00%
Change in unrecognized tax benefits (6.60%) 0.60% 1.40%
Permanent differences and other items 0.20% (0.40%) 6.90%
Effective income tax expense (benefit) rate (10.40%) (29.60%) 11.60%