Income Taxes	6 Months Ended
Jun. 30, 2015
Income Tax Disclosure [Abstract]
Income Taxes	INCOME TAXES The effective income tax rate from operations was 55.8% and (22.3)% for the three months ended June 30, 2015 and 2014, respectively, and 55.8% and 6.9% for the six months ended June 30, 2015 and 2014, respectively. For the three and six months ended June 30, 2015 and 2014, our effective income tax rate was adversely impacted by the health insurer fee under the ACA, which is not deductible for federal income tax purposes and in many state jurisdictions. See Note 2, under the heading "Accounting for Certain Provisions of the ACA—Premium-based Fee on Health Insurers" for additional information regarding the health insurer fee. For the three months ended June 30, 2014, we incurred a loss on a stock deduction under Internal Revenue Code Section 165, which produced a tax benefit of $72.6 million, net of adjustments to our reserve for uncertain tax benefits. This tax benefit caused our effective tax rate for the quarter to be a negative percentage. Other items that caused our effective income tax rate to differ from the statutory federal tax rate of 35% for the three and six months ended June 30, 2015 and 2014 included state income taxes, tax-exempt interest and non-deductible compensation.

Income Taxes

6 Months Ended

Jun. 30, 2015

INCOME TAXES

The effective income tax rate from operations was 55.8% and (22.3)% for the three months ended June 30, 2015 and 2014, respectively, and 55.8% and 6.9% for the six months ended June 30, 2015 and 2014, respectively. For the three and six months ended June 30, 2015 and 2014, our effective income tax rate was adversely impacted by the health insurer fee under the ACA, which is not deductible for federal income tax purposes and in many state jurisdictions. See Note 2, under the heading "Accounting for Certain Provisions of the ACA—Premium-based Fee on Health Insurers" for additional information regarding the health insurer fee.

For the three months ended June 30, 2014, we incurred a loss on a stock deduction under Internal Revenue Code Section 165, which produced a tax benefit of $72.6 million, net of adjustments to our reserve for uncertain tax benefits. This tax benefit caused our effective tax rate for the quarter to be a negative percentage. Other items that caused our effective income tax rate to differ from the statutory federal tax rate of 35% for the three and six months ended June 30, 2015 and 2014 included state income taxes, tax-exempt interest and non-deductible compensation.