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           Income Taxes (Reconciliation Of Effective Tax Rate, By Percentage) (Details) 
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        12 Months Ended | ||
|---|---|---|---|
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           Dec. 31, 2014 
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           Dec. 31, 2013 
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           Dec. 31, 2012 
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      |
| Income Taxes [Abstract] | |||
| Tax at U.S. statutory rate | 35.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate | 35.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate | 35.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate | 
| Surtax exemption | (0.70%)us-gaap_EffectiveIncomeTaxRateReconciliationTaxExemptIncome | (5.40%)us-gaap_EffectiveIncomeTaxRateReconciliationTaxExemptIncome | (1.50%)us-gaap_EffectiveIncomeTaxRateReconciliationTaxExemptIncome | 
| State income taxes, net of federal benefit | 1.00%us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes | 19.10%us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes | 1.70%us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes | 
| Foreign income taxes, net of foreign tax credits | 7.80%us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential | 3.30%us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential | (0.20%)us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential | 
| Impairment of goodwill | 116.20%us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseImpairmentLosses | ||
| Other nondeductible items | 3.10%us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOther | 4.90%us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOther | |
| Effect of (decrease) increase in uncertain tax positions | (10.20%)us-gaap_EffectiveIncomeTaxRateReconciliationTaxContingencies | 7.30%us-gaap_EffectiveIncomeTaxRateReconciliationTaxContingencies | |
| Other | 2.30%us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments | 6.40%us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments | (0.90%)us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments | 
| Effective tax rate | 38.30%us-gaap_EffectiveIncomeTaxRateContinuingOperations | 186.80%us-gaap_EffectiveIncomeTaxRateContinuingOperations | 34.10%us-gaap_EffectiveIncomeTaxRateContinuingOperations | 
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- Definition 
          Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition 
          Percentage of domestic federal statutory tax rate applicable to pretax income (loss). Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition 
          Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to statutory income tax expense (benefit) outside of the country of domicile. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition 
          Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to impairment loss. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition 
          Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other nondeductible expenses. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition 
          Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other adjustments. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition 
          Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to state and local income tax expense (benefit), net of federal tax expense (benefit). Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition 
          Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to income tax contingencies. Includes, but not limited to, domestic tax contingency, foreign tax contingency, state and local tax contingency, and other contingencies. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition 
          Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to income (loss) exempt from income taxes. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Details 
          
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