v2.4.1.9
Income Taxes (Details 1)
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Effective tax rate reconciliation      
Combined tax at U.S. statutory federal income tax rate 35.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate 35.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate 35.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
Increase (decrease) in taxes resulting from:      
Tax-exempt income (1.50%)us-gaap_EffectiveIncomeTaxRateReconciliationTaxExemptIncome (1.60%)us-gaap_EffectiveIncomeTaxRateReconciliationTaxExemptIncome (1.60%)us-gaap_EffectiveIncomeTaxRateReconciliationTaxExemptIncome
State and local income taxes, net of federal benefit 2.70%us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes 3.10%us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes 2.50%us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes
Non-U.S. subsidiaries earnings (2.20%)us-gaap_EffectiveIncomeTaxRateReconciliationRepatriationOfForeignEarnings (2.80%)us-gaap_EffectiveIncomeTaxRateReconciliationRepatriationOfForeignEarnings (5.20%)us-gaap_EffectiveIncomeTaxRateReconciliationRepatriationOfForeignEarnings
Tax settlements (0.50%)us-gaap_EffectiveIncomeTaxRateReconciliationTaxSettlements (1.90%)us-gaap_EffectiveIncomeTaxRateReconciliationTaxSettlements (0.20%)us-gaap_EffectiveIncomeTaxRateReconciliationTaxSettlements
All other 1.00%us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments 0.30%us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments 0.00%us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments
Actual tax rates 34.50%us-gaap_EffectiveIncomeTaxRateContinuingOperations 32.10%us-gaap_EffectiveIncomeTaxRateContinuingOperations 30.50%us-gaap_EffectiveIncomeTaxRateContinuingOperations