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Income Taxes Income Taxes (Reconciliation of Statutory Federal Income Tax Amount) (Details) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | 12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
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Dec. 31, 2014
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Sep. 30, 2014
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Jun. 30, 2014
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Mar. 31, 2014
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Dec. 31, 2013
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Sep. 30, 2013
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Jun. 30, 2013
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Mar. 31, 2013
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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 from continuing operations before federal income taxes | $ 400,744us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest | $ 251,328us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest | $ 98,199us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest | ||||||||
| Expected income tax at statutory rate | 140,259us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate | 87,965us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate | 34,370us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate | ||||||||
| State income taxes | 11,570us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes | 9,297us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes | 1,493us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes | ||||||||
| Other differences | 1,512us-gaap_IncomeTaxReconciliationOtherAdjustments | 874us-gaap_IncomeTaxReconciliationOtherAdjustments | 292us-gaap_IncomeTaxReconciliationOtherAdjustments | ||||||||
| Changes in valuation allowance | 0us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance | (9,792)us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance | |||||||||
| Income tax expense recorded for continuing operations | $ 67,757us-gaap_IncomeTaxExpenseBenefit | $ 4,876us-gaap_IncomeTaxExpenseBenefit | $ 31,461us-gaap_IncomeTaxExpenseBenefit | $ 49,247us-gaap_IncomeTaxExpenseBenefit | $ 21,027us-gaap_IncomeTaxExpenseBenefit | $ 23,400us-gaap_IncomeTaxExpenseBenefit | $ 25,514us-gaap_IncomeTaxExpenseBenefit | $ 28,195us-gaap_IncomeTaxExpenseBenefit | $ 153,341us-gaap_IncomeTaxExpenseBenefit | $ 98,136us-gaap_IncomeTaxExpenseBenefit | $ 26,363us-gaap_IncomeTaxExpenseBenefit |
| X | ||||||||||
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- Definition
This element represents the income or loss from continuing operations attributable to the economic entity which may also be defined as revenue less expenses from ongoing operations, after income or loss from equity method investments, but before income taxes, extraordinary items, and noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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| X | ||||||||||
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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 increase (decrease) in the valuation allowance for deferred tax assets. 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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| 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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