Income Taxes	3 Months Ended
Mar. 31, 2016
Income Tax Disclosure [Abstract]
Income Taxes	6. Income Taxes At the end of each interim period, we make our best estimate of the effective tax rate expected to be applicable for the full fiscal year and the impact of discrete items, if any, and adjust the rate as necessary. The Company's effective tax rate for the three months ended March 31, 2016 was 20.8 percent, as compared to the 35 percent federal statutory rate, primarily due to the impact of earnings attributable to noncontrolling ownership interests in partnerships, partially offset by income tax expense of $0.8 million related to the reversal of the deferred tax asset for equity compensation previously recorded. The Company’s effective tax rate for three months ended March 31, 2015 was 50.0 percent, as compared to the 35 percent federal statutory rate, primarily due to income tax expense of $2.2 million related to additional valuation allowances associated with state and local taxes, offset by income tax benefit of $1.4 million related to the January 2015 dropdown of a 75 percent interest in Granite City ("Granite City Dropdown") and the impact of earnings attributable to noncontrolling ownership interests in partnerships. On January 17, 2012, SunCoke Energy and Sunoco, Inc. entered into a tax sharing agreement that governs the parties’ respective rights, responsibilities and obligations with respect to tax liabilities and benefits, tax attributes, the preparation and filing of tax returns, the control of audits and other tax proceedings and other matters regarding taxes. SunCoke Energy will continue to monitor the utilization of all tax attributes subject to the tax sharing agreement as applicable tax returns are filed or as tax examinations progress and will record additional adjustments when necessary, consistent with the terms of the tax sharing agreement.

Income Taxes

3 Months Ended

Mar. 31, 2016

6. Income Taxes

At the end of each interim period, we make our best estimate of the effective tax rate expected to be applicable for the full fiscal year and the impact of discrete items, if any, and adjust the rate as necessary.

The Company's effective tax rate for the three months ended March 31, 2016 was 20.8 percent, as compared to the 35 percent federal statutory rate, primarily due to the impact of earnings attributable to noncontrolling ownership interests in partnerships, partially offset by income tax expense of $0.8 million related to the reversal of the deferred tax asset for equity compensation previously recorded.

The Company’s effective tax rate for three months ended March 31, 2015 was 50.0 percent, as compared to the 35 percent federal statutory rate, primarily due to income tax expense of $2.2 million related to additional valuation allowances associated with state and local taxes, offset by income tax benefit of $1.4 million related to the January 2015 dropdown of a 75 percent interest in Granite City ("Granite City Dropdown") and the impact of earnings attributable to noncontrolling ownership interests in partnerships.

On January 17, 2012, SunCoke Energy and Sunoco, Inc. entered into a tax sharing agreement that governs the parties’ respective rights, responsibilities and obligations with respect to tax liabilities and benefits, tax attributes, the preparation and filing of tax returns, the control of audits and other tax proceedings and other matters regarding taxes. SunCoke Energy will continue to monitor the utilization of all tax attributes subject to the tax sharing agreement as applicable tax returns are filed or as tax examinations progress and will record additional adjustments when necessary, consistent with the terms of the tax sharing agreement.