Annual report pursuant to Section 13 and 15(d)

Income Taxes (Reconciliation Of Effective Tax Rate, By Percentage) (Details)

v2.4.1.9
Income Taxes (Reconciliation Of Effective Tax Rate, By Percentage) (Details)
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
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