Consolidated Statements of Income (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Revenues
Sales and other operating revenue	$ 350.5	$ 309.7
Costs and operating expenses
Cost of products sold and operating expenses	270.6	234.2
Selling, general and administrative expenses	15.9	19.6
Depreciation and amortization expense	32.9	33.3
Total costs and operating expenses	319.4	287.1
Operating income	31.1	22.6
Interest expense, net	15.8	14.0
Loss on extinguishment of debt	0.3	0.1
Income before income tax expense	15.0	8.5
Income tax expense	2.0	66.2
Net income (loss)	13.0	(57.7)
Less: Net income (loss) attributable to noncontrolling interests	4.3	(58.7)
Net income attributable to SunCoke Energy, Inc.	$ 8.7	$ 1.0
Earnings attributable to SunCoke Energy, Inc. per common share:
Basic (in dollars per share)	$ 0.13	$ 0.02
Diluted (in dollars per share)	$ 0.13	$ 0.02
Weighted average number of common shares outstanding:
Basic (in shares)	64.6	64.3
Diluted (in shares)	65.4	65.1