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Income Taxes Effective Tax Rate Reconciliation (Details) (USD $)
In Millions, unless otherwise specified |
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 Tax Disclosure [Abstract] | |||
| Income Tax Expense (Benefit), at Federal Statutory Income Tax Rate | $ 135.7us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate | $ 68.4us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate | $ 65.1us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate |
| Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate | 35.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate | 35.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate | 35.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate |
| State Income Taxes, net of federal effect | 6.5us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes | (5.0)us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes | 0.4us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes |
| Effective Income Tax Rate Reconciliation, State Income Taxes, net of federal effect | 1.60%us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes | (2.60%)us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes | 0.20%us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes |
| Income Tax Reconciliation, Share-based Compensation Cost | 1.1us-gaap_IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost | 1.5us-gaap_IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost | 5.7us-gaap_IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost |
| Effective Income Tax Rate Reconciliation, Share-based Compensation Cost | 0.30%us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost | 0.70%us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost | 3.10%us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost |
| Income Tax Reconciliation, Effect of rates different than statutory | (1.9)us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential | (1.4)us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential | (1.4)us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential |
| Effective Income Tax Rate Reconciliation, Effect fo rates different than statutory | (0.50%)us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential | (0.70%)us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential | (0.80%)us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential |
| Income Tax Reconciliation, Other Adjustments | 1.4us-gaap_IncomeTaxReconciliationOtherAdjustments | (0.8)us-gaap_IncomeTaxReconciliationOtherAdjustments | (2.7)us-gaap_IncomeTaxReconciliationOtherAdjustments |
| Effective Income Tax Rate Reconciliation, Other Adjustments | 0.40%us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments | (0.30%)us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments | (1.50%)us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments |
| Income tax expense | $ 142.8us-gaap_IncomeTaxExpenseBenefit | $ 62.7us-gaap_IncomeTaxExpenseBenefit | $ 67.1us-gaap_IncomeTaxExpenseBenefit |
| Effective Income Tax Rate | 36.80%us-gaap_EffectiveIncomeTaxRateContinuingOperations | 32.10%us-gaap_EffectiveIncomeTaxRateContinuingOperations | 36.00%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 equity-based compensation costs. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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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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| X | ||||||||||
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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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- Details
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- Definition
Amount 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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| X | ||||||||||
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- Definition
Amount 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 foreign income tax expense (benefit). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount 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 nondeductible equity-based compensation costs. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount 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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| X | ||||||||||
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- Definition
Amount 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 state and local income tax expense (benefit). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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