Consolidated Statements of Operations (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Revenues
Sales and other operating revenue	$ 404.3	$ 364.5	$ 1,203.1	$ 1,082.0
Costs and operating expenses
Cost of products sold and operating expenses	319.4	283.3	953.8	836.6
Selling, general and administrative expenses	14.3	15.7	52.9	49.2
Depreciation and amortization expense	35.6	35.4	109.8	100.3
Long-lived asset and goodwill impairment	247.4	0.0	247.4	0.0
Total costs and operating expenses	616.7	334.4	1,363.9	986.1
Operating (loss) income	(212.4)	30.1	(160.8)	95.9
Interest expense, net	15.7	15.4	45.6	46.9
(Gain) loss on extinguishment of debt, net	(1.5)	0.0	(1.5)	0.3
(Loss) income before income tax (benefit) expense	(226.6)	14.7	(204.9)	48.7
Income tax (benefit) expense	(63.5)	(2.4)	(57.3)	1.8
Loss from equity method investment	0.0	0.0	0.0	5.4
Net (loss) income	(163.1)	17.1	(147.6)	41.5
Less: Net (loss) income attributable to noncontrolling interests	(0.1)	5.6	3.3	17.1
Net (loss) income attributable to SunCoke Energy, Inc.	$ (163.0)	$ 11.5	$ (150.9)	$ 24.4
(Loss) earnings attributable to SunCoke Energy, Inc. per common share:
Basic (USD per share)	$ (1.81)	$ 0.18	$ (2.05)	$ 0.38
Diluted (USD per share)	$ (1.81)	$ 0.18	$ (2.05)	$ 0.37
Weighted average number of common shares outstanding:
Basic (in shares)	89.9	64.7	73.7	64.7
Diluted (in shares)	89.9	65.5	73.7	65.5