CONDENSED CONSOLIDATED BALANCE SHEETS (unaudited) - USD ($) $ in Millions	Jun. 30, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 136.3	$ 173.2
Accounts receivable, net	530.9	442.0
Inventory, net	1,103.5	1,113.9
Other current assets	83.7	94.6
Total current assets	1,854.4	1,823.7
Property, plant and equipment	6,609.7	6,569.0
Accumulated depreciation	(4,663.5)	(4,554.6)
Property, plant and equipment, net	1,946.2	2,014.4
Other non-current assets	205.0	197.9
TOTAL ASSETS	4,005.6	4,036.0
Current liabilities:
Accounts payable	672.8	589.9
Accrued liabilities	212.9	234.1
Current portion of pension and other postretirement benefit obligations	41.3	41.3
Total current liabilities	927.0	865.3
Non-current liabilities:
Long-term debt	1,689.7	1,816.6
Pension and other postretirement benefit obligations	1,057.1	1,093.7
Other non-current liabilities	146.2	148.4
TOTAL LIABILITIES	3,820.0	3,924.0
EXCHANGEABLE NOTES EXCHANGE FEATURE	0.0	21.3
Equity:
Common stock, authorized 450,000,000 shares of $0.01 par value each; issued 315,712,590 and 314,739,500 shares in 2017 and 2016; outstanding 314,817,492 and 314,160,557 shares in 2017 and 2016	3.2	3.1
Additional paid-in capital	2,882.6	2,855.4
Treasury stock, common shares at cost, 895,098 and 578,943 shares in 2017 and 2016	(5.4)	(2.4)
Accumulated deficit	(2,941.1)	(3,064.8)
Accumulated other comprehensive loss	(106.1)	(63.5)
Total stockholders' equity (deficit)	(166.8)	(272.2)
Noncontrolling interests	352.4	362.9
TOTAL EQUITY	185.6	90.7
TOTAL LIABILITIES AND EQUITY	4,005.6	4,036.0
SunCoke Middletown [Member] | Variable Interest Entity, Primary Beneficiary [Member]
Current assets:
Cash and cash equivalents	2.2	5.0
Inventory, net	21.2	16.2
Property, plant and equipment	422.6	422.3
Accumulated depreciation	(80.9)	(72.5)
Current liabilities:
Accounts payable	14.3	7.8
Other assets (liabilities), net	(0.2)	(2.3)
Equity:
Noncontrolling interests	350.6	360.9
Other Variable Interest Entities [Member] | Variable Interest Entity, Primary Beneficiary [Member]
Current assets:
Cash and cash equivalents	0.8	0.8
Property, plant and equipment	11.8	11.8
Accumulated depreciation	(9.6)	(9.5)
Current liabilities:
Other assets (liabilities), net	0.8	1.0
Equity:
Noncontrolling interests	$ 1.8	$ 2.0