Consolidated Statements of Operations - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Revenues
Sales and other operating revenue	$ 1,351.3	$ 1,490.7	$ 1,633.5
Other income, net	11.4	13.1	14.2
Total revenues	1,362.7	1,503.8	1,647.7
Costs and operating expenses
Cost of products sold and operating expenses	1,098.4	1,212.9	1,348.0
Selling, general and administrative expenses	75.4	96.7	92.4
Depreciation and amortization expense	109.1	106.3	96.0
Asset and goodwill impairment	0.0	150.3	0.0
Total costs and operating expenses	1,282.9	1,566.2	1,536.4
Operating income (loss)	79.8	(62.4)	111.3
Interest expense, net	56.7	63.2	52.3
(Loss) income before income tax expense and loss from equity method investment	23.1	(125.6)	59.0
Income tax (benefit) expense	(8.8)	(58.8)	6.7
Loss from equity method investment	21.6	35.0	2.2
Net income (loss)	10.3	(101.8)	50.1
Less: Net income attributable to noncontrolling interests	32.3	24.3	25.1
Net (loss) income attributable to SunCoke Energy, Inc.	$ (22.0)	$ (126.1)	$ 25.0
(Loss) earnings attributable to SunCoke Energy, Inc. per common share:
Earnings per share, basic (in dollars per share)	$ (0.34)	$ (1.83)	$ 0.36
Earnings per share, diluted (in dollars per share)	$ (0.34)	$ (1.83)	$ 0.36
Weighted average number of common shares outstanding:
Basic (in shares)	65.0	68.8	69.9
Diluted (in shares)	65.0	68.8	70.2