Consolidated Statements of Operations (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Revenues
Sales and other operating revenue	$ 339.0	$ 293.9	$ 971.9	$ 897.7
Costs and operating expenses
Cost of products sold and operating expenses	257.2	217.6	748.8	682.5
Selling, general and administrative expenses	17.7	21.8	61.5	68.8
Depreciation and amortization expense	30.6	25.6	97.2	82.4
Loss on divestiture of business	0.0	0.0	0.0	14.7
Total costs and operating expenses	305.5	265.0	907.5	848.4
Operating income	33.5	28.9	64.4	49.3
Interest expense, net	16.1	12.9	45.0	40.3
Loss (gain) loss on extinguishment of debt	0.1	(1.0)	20.4	(24.9)
Income (loss) before income tax (benefit) expense	17.3	17.0	(1.0)	33.9
Income tax (benefit) expense	(1.5)	2.6	69.4	5.9
Net income (loss)	18.8	14.4	(70.4)	28.0
Less: Net income (loss) attributable to noncontrolling interests	7.2	8.3	(58.8)	30.6
Net income (loss) attributable to SunCoke Energy, Inc.	$ 11.6	$ 6.1	$ (11.6)	$ (2.6)
Earnings (loss) attributable to SunCoke Energy, Inc. per common share:
Basic (in dollars per share)	$ 0.18	$ 0.10	$ (0.18)	$ (0.04)
Diluted (in dollars per share)	$ 0.18	$ 0.10	$ (0.18)	$ (0.04)
Weighted average number of common shares outstanding:
Basic (in shares)	64.3	64.2	64.3	64.1
Diluted (in shares)	65.2	64.5	64.3	64.1