SunCoke Energy Partners (SXCP) 10-Q 26 Apr 18 2018 Q1 Quarterly report Financial data

Document and Entity Information

Document and Entity Information - shares	3 Months Ended
	Mar. 31, 2018	Apr. 20, 2018
Document and Entity Information [Abstract]
Entity Registrant Name	SunCoke Energy Partners, L.P.
Entity Central Index Key	1,555,538
Document Type	10-Q
Document Period End Date	Mar. 31, 2018
Amendment Flag	false
Document Fiscal Year Focus	2,018
Document Fiscal Period Focus	Q1
Current Fiscal Year End Date	--12-31
Entity Filer Category	Accelerated Filer
Entity Common Stock, Common Unit Outstanding		46,227,148

Consolidated Statements of Oper

Consolidated Statements of Operations (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Revenues
Sales and other operating revenue	$ 214.8	$ 195.6
Costs and operating expenses
Cost of products sold and operating expenses	157.1	135.4
Selling, general and administrative expenses	8.2	8.5
Depreciation and amortization expense	21.5	21.6
Total costs and operating expenses	186.8	165.5
Operating income	28	30.1
Interest expense, net	15	12.6
Income before income tax expense	13	17.5
Income tax expense	0.3	149.2
Net income (loss)	12.7	(131.7)
Less: Net income (loss) attributable to noncontrolling interests	0.5	(2.4)
Net income (loss) attributable to SunCoke Energy Partners, L.P.	12.2	(129.3)
General partner's interest in net income (loss)	0.3	(1.3)
Limited partners' interest in net income (loss)	$ 11.9	$ (128)
Net income (loss) per common unit (basic and diluted) (in dollars per share)	$ 0.26	$ (2.77)
Weighted average common units outstanding - basic and diluted (in shares)	46.2	46.2

Consolidated Balance Sheets

Consolidated Balance Sheets - USD ($) $ in Millions	Mar. 31, 2018	Dec. 31, 2017
Assets
Cash and cash equivalents	$ 41.5	$ 6.6
Receivables	47.8	42.2
Receivables from affiliate, net	0	5.7
Inventories	79.7	79.4
Other current assets	3.2	1.9
Total current assets	172.2	135.8
Properties, plants and equipment (net of accumulated depreciation of $441.6 million and $423.1 million at March 31, 2018 and December 31, 2017, respectively)	1,259.2	1,265.6
Goodwill	73.5	73.5
Other intangible assets, net	163.6	166.2
Deferred charges and other assets	0.2	0.3
Total assets	1,668.7	1,641.4
Liabilities and Equity
Accounts payable	77.6	54.9
Accrued liabilities	11.4	14.6
Deferred revenue	3.6	1.7
Current portion of long-term debt and financing obligation	2.6	2.6
Interest payable	16.8	4
Total current liabilities	112	77.8
Long-term debt and financing obligation	818.4	818.4
Deferred income taxes	119.6	119.2
Other deferred credits and liabilities	10.1	10.1
Total liabilities	1,060.1	1,025.5
Equity
Equity	596.3	603.6
Noncontrolling interest	12.3	12.3
Total equity	608.6	615.9
Total liabilities and equity	1,668.7	1,641.4
Common Units - Public
Equity
Equity	198.8	207
Common Units - Parent
Equity
Equity	358	365.4
General Partner
Equity
Equity	$ 39.5	$ 31.2

Consolidated Balance Sheets (Pa

Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Millions	Mar. 31, 2018	Dec. 31, 2017
Statement of Financial Position [Abstract]
Accumulated depreciation	$ 441.6	$ 423.1
Common Units - Public
Limited partners' capital account units issued (in units)	17,769,955	17,958,420
Common Units - Parent
Limited partners' capital account units issued (in units)	28,457,193	28,268,728

Consolidated Statements of Cash

Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Cash Flows from Operating Activities:
Net income (loss)	$ 12.7	$ (131.7)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization expense	21.5	21.6
Deferred income tax expense	0.4	149.2
Changes in working capital pertaining to operating activities:
Receivables	(5.6)	(0.4)
Receivables/payables from affiliate, net	5.7	1.3
Inventories	(0.3)	(11.4)
Accounts payable	20.9	19.3
Accrued liabilities	(3)	(0.6)
Deferred revenue	1.9	3.1
Interest payable	12.8	(8.5)
Other	(0.9)	(2.5)
Net cash provided by operating activities	66.1	39.4
Cash Flows from Investing Activities:
Capital expenditures	(10.6)	(4.2)
Net cash used in investing activities	(10.6)	(4.2)
Cash Flows from Financing Activities:
Repayment of long-term debt	0	(0.3)
Repayment of financing obligation	(0.6)	(0.6)
Proceeds from revolving credit facility	53.5	10
Repayment of revolving credit facility	(53.5)	(10)
Distributions to unitholders (public and parent)	(29.5)	(29.5)
Distributions to noncontrolling interest (SunCoke Energy, Inc.)	(0.5)	(0.5)
Capital contributions from SunCoke	10	0
Net cash used in financing activities	(20.6)	(30.9)
Net increase in cash, cash equivalents and restricted cash	34.9	4.3
Cash, cash equivalents and restricted cash at beginning of period	6.6	42.3
Cash, cash equivalents and restricted cash at end of period	41.5	46.6
Supplemental Disclosure of Cash Flow Information
Interest paid	2	20.9
Income taxes paid	$ 1.3	$ 0.3

Consolidated Statement of Equit

Consolidated Statement of Equity (Unaudited) - 3 months ended Mar. 31, 2018 - USD ($) $ in Millions	Total	CommonLimited Partner	CommonLimited PartnerSunCoke Energy Inc	General PartnerGeneral PartnerSunCoke Energy Inc	Noncontrolling Interest
Balance at beginning of period at Dec. 31, 2017	$ 615.9	$ 207	$ 365.4	$ 31.2	$ 12.3
Increase (Decrease) in Stockholders' Equity
Partnership net loss	12.7	4.6	7.3	0.3	0.5
Distribution to unitholders, net of unit issuances	(29.5)	(10.6)	(16.9)	(2)
Distributions to noncontrolling interest	(0.5)				(0.5)
Public units acquired by SunCoke	0	(2.2)	2.2
SunCoke Capital Contributions	10			10
Balance at end of period at Mar. 31, 2018	$ 608.6	$ 198.8	$ 358	$ 39.5	$ 12.3

General

General	3 Months Ended
	Mar. 31, 2018
Organization, Consolidation and Presentation of Financial Statements [Abstract]
General	1. General Description of Business SunCoke Energy Partners, L.P., (the "Partnership", "we", "our", and "us") primarily produces coke used in the blast furnace production of steel. Coke is a principal raw material in the blast furnace steelmaking process and is produced by heating metallurgical coal in a refractory oven, which releases certain volatile components from the coal, thus transforming the coal into coke. We also provide handling and/or mixing services of coal and other aggregates at our logistics terminals. At March 31, 2018 , we owned a 98 percent interest in Haverhill Coke Company LLC ("Haverhill"), Middletown Coke Company, LLC ("Middletown") and Gateway Energy and Coke Company, LLC ("Granite City") and SunCoke Energy, Inc. ("SunCoke") owned the remaining 2 percent ownership interest in each of Haverhill, Middletown, and Granite City. The Partnership also owns a 100 percent interest in all of its logistics terminals, which consist of Convent Marine Terminal ("CMT"), Kanawha River Terminals, LLC ("KRT") and SunCoke Lake Terminal, LLC ("Lake Terminal"). At March 31, 2018 , SunCoke, through a subsidiary, owned a 60.3 percent limited partnership interest in us and indirectly owned and controlled our general partner, which holds a 2.0 percent general partner interest in us and all of our incentive distribution rights ("IDR"). Our cokemaking ovens have collective capacity to produce 2.3 million tons of coke annually and utilize efficient, modern heat recovery technology designed to combust the coal’s volatile components liberated during the cokemaking process and use the resulting heat to create steam or electricity for sale. This differs from by-product cokemaking, which seeks to repurpose the coal’s liberated volatile components for other uses. We have constructed the only greenfield cokemaking facilities in the United States ("U.S.") in approximately 30 years and are the only North American coke producer that utilizes heat recovery technology in the cokemaking process. We provide steam pursuant to steam supply and purchase agreements with our customers. Electricity is sold into the regional power market or pursuant to energy sales agreements. Our logistics business provides handling and/or mixing services to steel, coke (including some of our and SunCoke's domestic cokemaking facilities), electric utility, coal producing and other manufacturing based customers. The logistics business has terminals in Indiana, West Virginia, and Louisiana with the collective capacity to mix and/or transload more than 40 million tons of coal annually and has total storage capacity of approximately 3 million tons. Organized in Delaware in 2012 and headquartered in Lisle, Illinois, we became a publicly-traded partnership in 2013 and our stock is listed on the New York Stock Exchange (“NYSE”) under the symbol “SXCP.” Basis of Presentation The accompanying unaudited consolidated financial statements included herein have been prepared in conformity with accounting principles generally accepted in the United States ("GAAP") for interim reporting. Certain information and disclosures normally included in financial statements have been omitted pursuant to the rules and regulations of the Securities and Exchange Commission ("SEC"). In management’s opinion, the financial statements reflect all adjustments, which are of a normal recurring nature, necessary for a fair presentation of the results of operations, financial position and cash flows for the periods presented. The results of operations for the periods ended March 31, 2018 are not necessarily indicative of the operating results for the full year. These unaudited interim consolidated financial statements and notes should be read in conjunction with the audited consolidated financial statements and notes included in our Annual Report on Form 10-K for the year ended December 31, 2017 . Recently Adopted Accounting Pronouncements In May 2014, Financial Accounting Standards Board ("FASB") issued Accounting Standards Update ("ASU") 2014-09, “Revenue from Contracts with Customers (Topic 606),” which supersedes the revenue recognition requirements in “Revenue Recognition (Topic 605),” and requires entities to recognize revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. The Partnership adopted this standard on January 1, 2018, using the modified retrospective method with no material impact on our revenue recognition model on an annual basis. See Note 10 . In November 2016, the FASB issued ASU 2016-18, “Statement of Cash Flows (Topic 230): Restricted cash.” The Partnership retrospectively adopted this ASU in the first quarter 2018 and modified the Partnership's cash flow presentation to include restricted cash with cash and cash equivalents when reconciling the beginning-of-period and end-of-period total amounts shown on the statement of cash flows. The restricted cash balance was zero at both March 31, 2018 and December 31, 2017, and was $0.4 million and $0.5 million at March 31, 2017 and December 31, 2016, respectively. Historical restricted cash balances related to cash withheld in the 2015 acquisition of CMT to fund the completion of certain expansion capital improvements. Recently Issued Accounting Pronouncements Not Yet Adopted In February 2016, the FASB issued ASU 2016-02, "Leases (Topic 842)." ASU 2016-02 requires leases to be recognized as assets and liabilities on the balance sheet for the rights and obligations created by all leases with terms of more than 12 months. It is effective for annual and interim periods in fiscal years beginning after December 15, 2018, with early adoption permitted. A multi-disciplined implementation team has gained an understanding of the accounting and disclosure provisions of the standard and is in the process of analyzing the impacts to our business, including the development of new accounting processes to account for our leases and support the required disclosures. We have selected a technology tool to assist with the accounting and reporting requirements of this standard. While we are still evaluating the impact of adopting this standard, we expect that upon adoption the right-of-use assets and lease liabilities, such as various plant equipment rentals and the lease of our corporate office space, will increase the reported assets and liabilities on our Consolidated Balance Sheets. The Partnership expects to adopt this standard on January 1, 2019.

Related Party Transactions and

Related Party Transactions and Agreements	3 Months Ended
	Mar. 31, 2018
Related Party Transactions [Abstract]
Related Party Transactions and Agreements	2. Related Party Transactions and Agreements Transactions with Affiliate Our logistics business provides handling and mixing services to certain SunCoke cokemaking operations. Logistics recorded revenues derived from services provided to SunCoke’s cokemaking operations of $2.5 million and $2.2 million for the three months ended March 31, 2018 , and 2017, respectively. Allocated Expenses SunCoke charges us for all direct costs and expenses incurred on our behalf and allocated costs associated with support services provided to our operations. Allocated expenses from SunCoke for general corporate and operations support costs totaled $6.8 million and $6.9 million for the three months ended March 31, 2018 and 2017, respectively, and were included in selling, general and administrative expenses on the Consolidated Statements of Operations. These costs include legal, accounting, tax, treasury, engineering, information technology, insurance, employee benefit costs, communications, human resources, and procurement. Corporate allocations are recorded in accordance with the terms of our omnibus agreement with SunCoke and our general partner. Omnibus Agreement In connection with the closing of our initial public offering ("IPO"), we entered into an omnibus agreement with SunCoke and our general partner that addresses certain aspects of our relationship with them, including: Business Opportunities. We have preferential rights to invest in, acquire and construct cokemaking facilities in the U.S. and Canada. SunCoke has preferential rights to all other business opportunities. Environmental Indemnity. SunCoke will indemnify us to the full extent of any remediation at the Haverhill, Middletown and Granite City cokemaking facilities arising from any known environmental matter discovered and identified as requiring remediation prior to the closing of the IPO and the dropdown of Granite City, respectively. SunCoke has contributed $129 million in partial satisfaction of this obligation and will reimburse us for additional spending in excess of $129 million as required for such known remediation obligations. Other Indemnification. SunCoke will fully indemnify us with respect to any additional tax liability related to periods prior to or in connection with the closing of the IPO or the Granite City Dropdown to the extent not currently presented on the Consolidated Balance Sheets. Additionally, SunCoke will either cure or fully indemnify us for losses resulting from any material title defects at the properties owned by the entities acquired in connection with the closing of the IPO or the Granite City Dropdown to the extent that those defects interfere with or could reasonably be expected to interfere with the operations of the related cokemaking facilities. We will indemnify SunCoke for events relating to our operations except to the extent that we are entitled to indemnification by SunCoke. License. SunCoke has granted us a royalty-free license to use the name “SunCoke” and related marks. Additionally, SunCoke has granted us a non-exclusive right to use all of SunCoke's current and future cokemaking and related technology. We have not paid and will not pay a separate license fee for the rights we receive under the license. Expenses and Reimbursement. SunCoke will continue to provide us with certain corporate and other services, and we will reimburse SunCoke for all direct costs and expenses incurred on our behalf and a portion of corporate and other costs and expenses attributable to our operations. SunCoke may consider providing additional support to the Partnership in the future by providing a corporate cost reimbursement holiday, whereby the Partnership would not be required to reimburse SunCoke for costs. Additionally, we paid all fees in connection with our senior notes offering and our revolving credit facility and have agreed to pay all additional fees in connection with any future financing arrangement entered into for the purpose of replacing the credit facility or the senior notes. So long as SunCoke controls our general partner, the omnibus agreement will remain in full force and effect unless mutually terminated by the parties. If SunCoke ceases to control our general partner, the omnibus agreement will terminate, but our rights to indemnification and use of SunCoke's existing cokemaking and related technology will survive. The omnibus agreement can be amended by written agreement of all parties to the agreement, but we may not agree to any amendment that would, in the reasonable discretion of our general partner, be adverse in any material respect to the holders of our common units without prior approval of the conflicts committee.

Cash Distributions and Net Inco

Cash Distributions and Net Income Per Unit	3 Months Ended
	Mar. 31, 2018
Earnings Per Share [Abstract]
Cash Distributions and Net Income Per Unit	3. Cash Distributions and Net Income Per Unit Cash Distributions Our partnership agreement generally provides that we will make cash distributions, if any, each quarter according to the following percentage allocations: Total Quarterly Distribution Per Unit Target Amount Marginal Percentage Interest in Distributions Unitholders General Partner First Target Distribution up to $0.474375 98% 2% Second Target Distribution above $0.474375 up to $0.515625 85% 15% Third Target Distribution above $0.515625 up to $0.618750 75% 25% Thereafter above $0.618750 50% 50% Our distributions are declared subsequent to quarter end. The table below represents total cash distributions applicable to the period in which the distributions were earned: Earned in Quarter Ended Total Quarterly Distribution Per Unit Total Cash Distribution including general partners IDRs Date of Distribution Unitholders Record Date (Dollars in millions) March 31, 2017 $ 0.5940 $ 29.5 June 1, 2017 May 15, 2017 June 30, 2017 $ 0.5940 $ 29.5 September 1, 2017 August 15, 2017 September 30, 2017 $ 0.5940 $ 29.5 December 1, 2017 November 15, 2017 December 31, 2017 $ 0.5940 $ 29.5 March 1, 2018 February 15, 2018 March 31, 2018 (1) $ 0.4000 $ 18.9 June 1, 2018 May 15, 2018 (1) On April 26, 2018 , our Board of Directors declared a cash distribution of $0.40 per unit, which will be paid on June 1, 2018 , to unitholders of record on May 15, 2018 . Allocation of Net Income Our partnership agreement contains provisions for the allocation of net income to the unitholders and the general partner. For purposes of maintaining partner capital accounts, the partnership agreement specifies that items of income and loss shall be allocated among the partners in accordance with their respective percentage interest. Normal allocations according to percentage interests are made after giving effect, if any, to priority income allocations in an amount equal to incentive cash distributions allocated 100 percent to the general partner. The calculation of net income allocated to the general and limited partners was as follows: Three Months Ended March 31, 2018 2017 (Dollars in millions) Net income (loss) attributable to SunCoke Energy L.P. $ 12.2 $ (129.3 ) General partner's incentive distribution rights — 1.4 Net income (loss) attributable to partners, excluding incentive distribution rights 12.2 (130.7 ) General partner's ownership interest: 2.0 % 2.0 % General partner's allocated interest in net income (loss) (1) 0.3 (2.7 ) General partner's incentive distribution rights — 1.4 Total general partner's interest in net income (loss) $ 0.3 $ (1.3 ) Common - public unitholder's interest in net income (loss) $ 4.6 $ (57.6 ) Common - SunCoke interest in net income (loss) 7.3 (70.4 ) Total limited partners' interest in net income (loss) $ 11.9 $ (128.0 ) (1) Our net income is allocated to the general partner and limited partners in accordance with their respective partnership percentages, after giving effect to priority income allocations for incentive distributions, if any, to our general partner, pursuant to our partnership agreement. The table above represents a simplified presentation of the calculation, and therefore, amounts may not recalculate precisely. Earnings Per Unit Our net income is allocated to the general partner and limited partners in accordance with their respective partnership percentages, after giving effect to priority income allocations for incentive distributions, if any, to our general partner, pursuant to our partnership agreement. Distributions less than or greater than earnings are allocated in accordance with our partnership agreement. Payments made to our unitholders are determined in relation to actual distributions declared and are not based on the net income allocations used in the calculation of net income per unit. In addition to the common, we also have identified the general partner interest and IDRs as participating securities and we use the two-class method when calculating the net income per unit applicable to limited partners, which is based on the weighted-average number of common units outstanding during the period. Basic and diluted net income per unit applicable to limited partners are the same because we do not have any potentially dilutive units outstanding. The calculation of earnings per unit is as follows: Three Months Ended March 31, 2018 2017 (Dollars and units in millions, except per unit amounts) Net income (loss) attributable to SunCoke Energy L.P. $ 12.2 $ (129.3 ) General partner's distributions (including zero and $1.4 million, of cash incentive distribution rights declared, respectively) 0.4 2.0 Limited partners' distributions on common units 18.5 27.5 Distributions greater than earnings/loss (6.7 ) (158.8 ) General partner's earnings (loss): Distributions (including zero and $1.4 million, of cash incentive distribution rights declared, respectively) 0.4 2.0 Allocation of distributions greater than earnings/loss (0.1 ) (3.3 ) Total general partner's earnings (loss) 0.3 (1.3 ) Limited partners' earnings (loss) on common units: Distributions 18.5 27.5 Allocation of distributions greater than earnings/loss (6.6 ) (155.5 ) Total limited partners' earnings (loss) on common units 11.9 (128.0 ) Weighted average limited partner units outstanding: Common - basic and diluted 46.2 46.2 Net income (loss) per limited partner unit: Common - basic and diluted $ 0.26 $ (2.77 ) Unit Activity Unit activity for the three months ended March 31, 2018 : Common - Public Common - SunCoke Total Common At December 31, 2017 17,958,420 28,268,728 46,227,148 Common units acquired by SunCoke (188,465 ) 188,465 — At March 31, 2018 17,769,955 28,457,193 46,227,148

Inventories

Inventories	3 Months Ended
	Mar. 31, 2018
Inventory Disclosure [Abstract]
Inventories	4. Inventories The components of inventories were as follows: March 31, 2018 December 31, 2017 (Dollars in millions) Coal $ 45.2 $ 41.0 Coke 5.5 9.5 Materials, supplies, and other 29.0 28.9 Total inventories $ 79.7 $ 79.4

Goodwill and Other Intangible A

Goodwill and Other Intangible Assets	3 Months Ended
	Mar. 31, 2018
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill and Other Intangible Assets	5. Goodwill and Other Intangible Assets Goodwill, which represents the excess of the purchase price over the fair value of net assets acquired, is tested for impairment as of October 1 of each year, or when events occur or circumstances change that would, more likely than not, reduce the fair value of a reporting unit to below its carrying value. Goodwill allocated to our Logistics segment was $73.5 million at both March 31, 2018 and December 31, 2017 . The components of other intangible assets, net were as follows: March 31, 2018 December 31, 2017 Weighted - Average Remaining Amortization Years Gross Carrying Amount Accumulated Amortization Net Gross Carrying Amount Accumulated Amortization Net (Dollars in millions) Customer contracts 5 $ 24.0 $ 8.5 $ 15.5 $ 24.0 $ 7.8 $ 16.2 Customer relationships 14 28.7 6.2 22.5 28.7 5.7 23.0 Permits 25 139.0 13.5 125.5 139.0 12.2 126.8 Trade name 1 1.2 1.1 0.1 1.2 1.0 0.2 Total $ 192.9 $ 29.3 $ 163.6 $ 192.9 $ 26.7 $ 166.2 The permits above represent the environmental and operational permits required to operate a coal export terminal in accordance with the United States Environmental Protection Agency and other regulatory bodies. Intangible assets are amortized over their useful lives in a manner that reflects the pattern in which the economic benefit of the asset is consumed. The permits’ useful lives were estimated to be 27 years at acquisition based on the expected useful life of the significant operating equipment at the facility. We have historical experience of renewing and extending similar arrangements at our other facilities and intend to continue to renew our permits as they come up for renewal for the foreseeable future. The permits were renewed regularly prior to our acquisition of CMT. These permits have an average remaining renewal term of approximately 3.2 years. Total amortization expense for intangible assets subject to amortization was $2.6 million for both the three months ended March 31, 2018 and 2017.

Income Taxes

Income Taxes	3 Months Ended
	Mar. 31, 2018
Income Tax Disclosure [Abstract]
Income Taxes	6. Income Taxes The Partnership is a limited partnership and generally is not subject to federal or state income taxes. At the end of each interim period, we make our best estimate of the effective tax rate expected to be applicable for the full fiscal year and the impact of discrete items, if any, and adjust the rate as necessary. The Partnership recorded income tax expense of $0.3 million for the three months ended March 31, 2018 primarily related to local taxes and activities related to Gateway Cogeneration Company LLC. In January 2017, the IRS announced its decision to exclude cokemaking as a qualifying income generating activity in its final regulations (the "Final Regulations") issued under section 7704(d)(1)(E) of the Internal Revenue Code relating to the qualifying income exception for publicly traded partnerships. Subsequent to the 10-year transition period, certain cokemaking entities in the Partnership will become taxable as corporations. As a result, the Partnership recorded deferred income tax expense of $148.6 million during the three months ended March 31, 2017 related to the future tax obligation expected to be owed for the projected book to tax differences at the end of the 10-year transition period.

Debt and Financing Obligation

Debt and Financing Obligation	3 Months Ended
	Mar. 31, 2018
Debt Disclosure [Abstract]
Debt and Financing Obligation	7. Debt and Financing Obligation Total debt and financing obligation, including the current portion of long-term debt and financing obligation, consisted of the following: March 31, 2018 December 31, 2017 (Dollars in millions) 7.500 percent senior notes, due 2025 ("2025 Partnership Notes") $ 700.0 $ 700.0 Revolving credit facility, due 2022 ("Partnership Revolver") 130.0 130.0 5.82 percent financing obligation, due 2021 ("Financing Obligation") 12.1 12.7 Total borrowings 842.1 842.7 Original issue discount (5.7 ) (5.9 ) Debt issuance cost (15.4 ) (15.8 ) Total debt and financing obligation 821.0 821.0 Less: current portion of long-term debt and financing obligation 2.6 2.6 Total long-term debt and financing obligation $ 818.4 $ 818.4 Partnership Revolver The Partnership Revolver has a capacity of $285.0 million . As of March 31, 2018 , the Partnership had $1.9 million of letters of credit outstanding and an outstanding balance of $130.0 million , leaving $153.1 million available. Covenants Under the terms of the Partnership Revolver, the Partnership is subject to a maximum leverage ratio of 4.50 : 1.00 prior to June 30, 2020 and 4.00 : 1.00 after June 30, 2020, and a minimum consolidated interest coverage ratio of 2.50 : 1.00 . The Partnership Revolver contains other covenants and events of default that are customary for similar agreements and may limit our ability to take various actions including our ability to pay a dividend or repurchase our stock. If we fail to perform our obligations under these and other covenants, the lenders' credit commitment could be terminated and any outstanding borrowings, together with accrued interest, under the Partnership Revolver could be declared immediately due and payable. The Partnership has a cross-default provision that applies to our indebtedness having a principal amount in excess of $35 million . As of March 31, 2018 , the Partnership was in compliance with all applicable debt covenants. We do not anticipate violation of these covenants nor do we anticipate that any of these covenants will restrict our operations or our ability to obtain additional financing.

Commitments and Contingent Liab

Commitments and Contingent Liabilities	3 Months Ended
	Mar. 31, 2018
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingent Liabilities	8. Commitments and Contingent Liabilities The United States Environmental Protection Agency (the "EPA") issued Notices of Violations (“NOVs”) for the Haverhill and Granite City cokemaking facilities which stemmed from alleged violations of air operating permits for these facilities. We are working in a cooperative manner with the EPA, the Ohio Environmental Protection Agency and the Illinois Environmental Protection Agency to address the allegations, and have entered into a consent degree in federal district court with these parties. The consent decree includes a $2.2 million civil penalty payment that was paid by SunCoke in 2014, as well as capital projects underway to improve the reliability of the energy recovery systems and enhance environmental performance at the Haverhill and Granite City cokemaking facilities. An amendment was lodged in federal court in February 2018 and is undergoing review. The amendment provides the Haverhill and Granite City facilities with additional time to perform necessary maintenance on the flue gas desulfurization systems without exceeding consent decree limits. The emissions associated with this maintenance will be mitigated in accordance with the amendment, and there are no civil penalty payments. We retained an aggregate of $119 million in proceeds from the Partnership's IPO and subsequent dropdowns to fund these environmental remediation projects at the Haverhill and Granite City cokemaking facilities. Pursuant to the omnibus agreement, any amounts that we spend on these projects in excess of the $119 million will be reimbursed by SunCoke. SunCoke spent $7 million related to these projects. We have spent approximately $111 million to date and the remaining capital is expected to be spent through the first quarter of 2019. Pursuant to the omnibus agreement, SunCoke, through the general partner, made a capital contribution of $10 million to us during the first quarter 2018 for these known environmental remediation projects. SunCoke expects to make an additional capital contribution to us of approximately $10 million for the estimated future spending related to these environmental remediation projects. The Partnership is a party to certain other pending and threatened claims, including matters related to commercial and tax disputes, product liability, employment claims, personal injury claims, premises-liability claims, allegations of exposures to toxic substances and general environmental claims. Although the ultimate outcome of these claims cannot be ascertained at this time, it is reasonably possible that some portion of these claims could be resolved unfavorably to the Partnership. Management of the Partnership believes that any liability which may arise from claims would not have a material adverse impact on our consolidated financial statements.

Fair Value Measurements

Fair Value Measurements	3 Months Ended
	Mar. 31, 2018
Fair Value Disclosures [Abstract]
Fair Value Measurements	9. Fair Value Measurements The Partnership measures certain financial and non-financial assets and liabilities at fair value on a recurring basis. Fair value is defined as the price that would be received to sell an asset or paid to transfer a liability in the principal or most advantageous market in an orderly transaction between market participants on the measurement date. Fair value disclosures are reflected in a three-level hierarchy, maximizing the use of observable inputs and minimizing the use of unobservable inputs. The valuation hierarchy is based upon the transparency of inputs to the valuation of an asset or liability on the measurement date. The three levels are defined as follows: • Level 1—inputs to the valuation methodology are quoted prices (unadjusted) for an identical asset or liability in an active market. • Level 2—inputs to the valuation methodology include quoted prices for a similar asset or liability in an active market or model-derived valuations in which all significant inputs are observable for substantially the full term of the asset or liability. • Level 3—inputs to the valuation methodology are unobservable and significant to the fair value measurement of the asset or liability. Financial Assets and Liabilities Measured at Fair Value on a Recurring Basis Certain assets and liabilities are measured at fair value on a recurring basis. The Partnership’s cash equivalents are measured at fair value based on quoted prices in active markets for identical assets. These inputs are classified as Level 1 within the valuation hierarchy. The Partnership did not have material cash equivalents at March 31, 2018 or December 31, 2017 . Convent Marine Terminal Contingent Consideration In connection with the CMT acquisition, the Partnership entered into a contingent consideration arrangement that requires us to make future payments to The Cline Group based on future volume over a specified threshold, price and contract renewals. The fair value of the contingent consideration was estimated based on a probability-weighted analysis using significant inputs that are not observable in the market, or Level 3 inputs. Key assumptions included probability adjusted levels of handling services provided by CMT, anticipated price per ton on future sales and probability of contract renewal, including length of future contracts, volume commitment, and anticipated price per ton. The fair value of the contingent consideration was $2.5 million at both March 31, 2018 and December 31, 2017 and was included in other deferred charges and liabilities on the Consolidated Balance Sheets. Certain Financial Assets and Liabilities not Measured at Fair Value At March 31, 2018 and December 31, 2017 , the estimated fair value of the Partnership's total debt was $863.0 million and $875.0 million , respectively, compared to a carrying amount of $842.1 million and $842.7 million , respectively. The fair value was estimated by management based upon estimates of debt pricing provided by financial institutions which are considered Level 2 inputs.

Revenue from Contracts with Cus

Revenue from Contracts with Customers	3 Months Ended
	Mar. 31, 2018
Revenue from Contract with Customer [Abstract]
Revenue from Contracts with Customers	10. Revenue from Contracts with Customers Cokemaking Substantially all our coke sales are made pursuant to long-term, take-or-pay agreements with ArcelorMittal USA LLC and/or its affiliates (“AM USA”), AK Steel Holding Corporation ("AK Steel") and United States Steel Corporation ("U.S. Steel"), who are three of the largest blast furnace steelmakers in North America. The take-or-pay provisions of our agreements require us to deliver minimum annual tonnage, which varies by contract, but covers at least 90 percent of each facility's annual capacity. The take-or-pay provisions also require our customers to purchase such volumes of coke or pay the contract price for any tonnage they elect not to take. These coke sales agreements have an average remaining term of approximately seven years , and to date, our coke customers have satisfied their obligations under these agreements. Our coke sales prices include an operating cost component, a coal cost component and a return of capital component. Operating costs under one of our coke sales agreements are contractual, subject to an annual adjustment based on an inflation index. Under our other three coke sales agreements operating costs are passed through to the respective customers subject to an annually negotiated budget, in some cases subject to a cap annually adjusted for inflation, and generally we share any difference in costs from the budgeted amounts with our customers. Our coke sales agreements contain pass-through provisions for coal and coal procurement costs, subject to meeting contractual coal-to-coke yields. To the extent that the actual coal-to-coke yields are less than the contractual standard, we are responsible for the cost of the excess coal used in the cokemaking process. Conversely, to the extent our actual coal-to-coke yields are higher than the contractual standard, we realize gains. The reimbursement of pass-through operating and coal costs from these coke sales agreements are considered to be variable consideration components included in the cokemaking sales price. The return of capital component for each ton of coke sold to the customer is determined at the time the coke sales agreement is signed and is effective for the term of each sales agreement. This component of our coke sales prices is intended to provide an adequate return on invested capital and may differ based on investment levels and other considerations. The actual return on invested capital at any facility is also impacted by favorable or unfavorable performance on pass-through cost items. Revenues are recognized when performance obligations to our customers are satisfied in an amount that reflects the consideration that we expect to receive in exchange for the coke. Logistics In our logistics business, handling and/or mixing services are provided to steel, coke (including some of our and SunCokes's domestic cokemaking facilities), electric utility, coal producing and other manufacturing based customers. Materials are transported in numerous ways, including rail, truck, barge or ship. We do not take possession of materials handled, but rather act as intermediaries between our customers and end users, deriving our revenues from services provided on a per ton basis. The handling and mixing services consist primarily of two performance obligations, unloading and loading of materials. Our logistics business has long-term, take-or-pay agreements requiring us to handle over 15 million tons annually. The take-or-pay provisions in these agreements require our customers to purchase such handling services or pay the contract price for services they elect not to take. Estimated take-or-pay revenue of approximately $430 million from all of our long-term logistics contracts is expected to be recognized over the next six years for unsatisfied or partially unsatisfied performance obligations as of March 31, 2018 . To date, our customers have satisfied their obligations under these agreements. Included with these long-term, take-or-pay arrangements are our contracts with Murray American Coal, Inc. ("Murray") and Foresight Energy LLC ("Foresight"), which cover 10 million tons of CMT's annual transloading capacity of 15 million tons. Revenues in our logistics business are recognized when the customer receives the benefits of the services provided, in an amount that reflects the consideration that we will receive in exchange for those services. Billings to CMT customers for take-or-pay volume shortfalls based on pro-rata volume commitments under take-or-pay contracts that are in excess of billings earned for services provided are recorded as contract liabilities and characterized as deferred revenue on the Consolidated Balance Sheets. Deferred revenue will be recognized at the earlier of i) when the performance obligation is satisfied; ii) when the performance obligation has expired, based on the terms of the contract; or iii) as a result of a remote likelihood that the customer would exercise its right to the performance obligation. The following table provides changes in the Partnership's deferred revenue: Three Months Ended March 31, 2018 2017 (Dollars in millions) Opening balance $ 1.7 $ 2.5 Reclassification of the beginning contract liabilities to revenue, as a result of performance obligation satisfied (0.6 ) (0.5 ) Billings in excess of services performed, not recognized as revenue 2.5 3.6 Ending balance $ 3.6 $ 5.6 Energy Our energy sales are made pursuant to either steam or energy supply and purchase agreements or is sold into the regional power market. Our cokemaking ovens utilize efficient, modern heat recovery technology designed to combust the coal’s volatile components liberated during the cokemaking process and use the resulting heat to create steam or electricity for sale. The energy provided under these arrangements result in transfer of control over time. Revenues are recognized as energy is delivered to our customers, in an amount based on the terms of each arrangement. Disaggregated sales and other operating revenue The following table provides disaggregated sales and other operating revenue by product or service: Three Months Ended March 31, 2018 2017 (Dollars in millions) Sales and other operating revenue: Cokemaking $ 174.8 $ 157.3 Energy 13.6 13.6 Logistics 24.4 21.9 Other 2.0 2.8 Sales and other operating revenue $ 214.8 $ 195.6 The following table provides disaggregated sales and other operating revenue by customer: Three Months Ended March 31, 2018 2017 (Dollars in millions) Sales and other operating revenue: AM USA $ 37.1 $ 40.2 AK Steel 92.9 83.5 U.S. Steel 51.7 47.7 Foresight and Murray 14.1 11.5 Other 19.0 12.7 Sales and other operating revenue $ 214.8 $ 195.6 Shipping and Handling Costs Shipping and handling costs are included in cost of products sold and operating expenses on the Consolidated Statements of Operations and are generally passed through to our customers. The Partnership has elected to account for shipping and handling activities as a promise to fulfill the transfer of coke.

Business Segment Disclosures

Business Segment Disclosures	3 Months Ended
	Mar. 31, 2018
Segment Reporting [Abstract]
Business Segment Disclosures	11. Business Segment Disclosures The Partnership derives its revenues from the Domestic Coke and Logistics reportable segments. Domestic Coke operations are comprised of the Haverhill and Middletown cokemaking facilities located in Ohio and the Granite City cokemaking facility located in Illinois. These facilities use similar production processes to produce coke and to recover waste heat that is converted to steam or electricity. Logistics operations are comprised of CMT located in Louisiana, Lake Terminal located in Indiana and KRT located in West Virginia. Handling and mixing results are presented in the Logistics segment. Corporate and other expenses that can be identified with a segment have been included in determining segment results. The remainder is included in Corporate and Other. The following table includes Adjusted EBITDA, which is the measure of segment profit or loss and liquidity reported to the chief operating decision maker for purposes of allocating resources to the segments and assessing their performance: Three Months Ended March 31, 2018 2017 (Dollars in millions) Sales and other operating revenue: Domestic Coke $ 190.0 $ 173.2 Logistics 24.8 22.4 Logistics intersegment sales 1.7 1.8 Elimination of intersegment sales (1.7 ) (1.8 ) Total sales and other operating revenue $ 214.8 $ 195.6 Adjusted EBITDA: Domestic Coke $ 40.3 $ 42.5 Logistics 13.4 13.0 Corporate and Other (4.2 ) (3.8 ) Total Adjusted EBITDA $ 49.5 $ 51.7 Depreciation and amortization expense: Domestic Coke $ 14.7 $ 15.7 Logistics 6.8 5.9 Total depreciation and amortization expense $ 21.5 $ 21.6 Capital expenditures: Domestic Coke $ 10.3 $ 3.6 Logistics 0.3 0.6 Total capital expenditures $ 10.6 $ 4.2 The following table sets forth the Partnership's segment assets: March 31, 2018 December 31, 2017 (Dollars in millions) Segment assets: Domestic Coke $ 1,181.6 $ 1,151.4 Logistics 486.2 489.8 Corporate and Other 0.9 0.2 Total assets $ 1,668.7 $ 1,641.4 The Partnership evaluates the performance of its segments based on segment Adjusted EBITDA, which represents earnings before interest, taxes, depreciation and amortization ("EBITDA"), adjusted for any loss (gain) on extinguishment of debt and/or changes to our contingent consideration liability related to our acquisition of CMT. Adjusted EBITDA does not represent and should not be considered an alternative to net income or operating income under GAAP and may not be comparable to other similarly titled measures in other businesses. Management believes Adjusted EBITDA is an important measure of the operating performance and liquidity of the Partnership's net assets and its ability to incur and service debt, fund capital expenditures and make distributions. Adjusted EBITDA provides useful information to investors because it highlights trends in our business that may not otherwise be apparent when relying solely on GAAP measures and because it eliminates items that have less bearing on our operating performance and liquidity. EBITDA and Adjusted EBITDA are not measures calculated in accordance with GAAP, and they should not be considered an alternative to net income, operating cash flow or any other measure of financial performance presented in accordance with GAAP. Set forth below is additional discussion of the limitations of Adjusted EBITDA as an analytical tool. Limitations. Other companies may calculate Adjusted EBITDA differently than we do, limiting its usefulness as a comparative measure. Adjusted EBITDA also has limitations as an analytical tool and should not be considered in isolation or as a substitute for an analysis of our results as reported under GAAP. Some of these limitations include that Adjusted EBITDA: • does not reflect our cash expenditures, or future requirements, for capital expenditures or contractual commitments; • does not reflect items such as depreciation and amortization; • does not reflect changes in, or cash requirements for, working capital needs; • does not reflect our interest expense, or the cash requirements necessary to service interest on or principal payments of our debt; • does not reflect certain other non-cash income and expenses; • excludes income taxes that may represent a reduction in available cash; and • includes net income attributable to noncontrolling interests. Below is a reconciliation of Adjusted EBITDA to net income and net cash provided by operating activities, which are its most directly comparable financial measures calculated and presented in accordance with GAAP: Three Months Ended March 31, 2018 2017 (Dollars in millions) Net income (loss) $ 12.7 $ (131.7 ) Add: Depreciation and amortization expense 21.5 21.6 Interest expense, net 15.0 12.6 Income tax expense 0.3 149.2 Adjusted EBITDA $ 49.5 $ 51.7 Subtract: Adjusted EBITDA attributable to noncontrolling interest (1) 0.8 0.8 Adjusted EBITDA attributable to SunCoke Energy Partners $ 48.7 $ 50.9 Three Months Ended March 31, 2018 2017 (Dollars in millions) Net cash provided by operating activities $ 66.1 $ 39.4 Add: Cash interest paid 2.0 20.9 Cash taxes paid 1.3 0.3 Changes in working capital (2) (19.6 ) (11.3 ) Other adjustments to reconcile cash provided by operating activities to Adjusted EBITDA (0.3 ) 2.4 Adjusted EBITDA $ 49.5 $ 51.7 Subtract: Adjusted EBITDA attributable to noncontrolling interest (1) 0.8 0.8 Adjusted EBITDA attributable to SunCoke Energy Partners $ 48.7 $ 50.9 (1) Reflects net income attributable to noncontrolling interest adjusted for noncontrolling interest's share of interest, taxes, income, and depreciation and amortization. (2) Changes in working capital exclude those items not impacting Adjusted EBITDA, such as changes in interest payable and income taxes payable.

General (Policies)

General (Policies)	3 Months Ended
	Mar. 31, 2018
Organization, Consolidation and Presentation of Financial Statements [Abstract]
New Accounting Pronouncements	Recently Adopted Accounting Pronouncements In May 2014, Financial Accounting Standards Board ("FASB") issued Accounting Standards Update ("ASU") 2014-09, “Revenue from Contracts with Customers (Topic 606),” which supersedes the revenue recognition requirements in “Revenue Recognition (Topic 605),” and requires entities to recognize revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. The Partnership adopted this standard on January 1, 2018, using the modified retrospective method with no material impact on our revenue recognition model on an annual basis. See Note 10 . In November 2016, the FASB issued ASU 2016-18, “Statement of Cash Flows (Topic 230): Restricted cash.” The Partnership retrospectively adopted this ASU in the first quarter 2018 and modified the Partnership's cash flow presentation to include restricted cash with cash and cash equivalents when reconciling the beginning-of-period and end-of-period total amounts shown on the statement of cash flows. The restricted cash balance was zero at both March 31, 2018 and December 31, 2017, and was $0.4 million and $0.5 million at March 31, 2017 and December 31, 2016, respectively. Historical restricted cash balances related to cash withheld in the 2015 acquisition of CMT to fund the completion of certain expansion capital improvements. Recently Issued Accounting Pronouncements Not Yet Adopted In February 2016, the FASB issued ASU 2016-02, "Leases (Topic 842)." ASU 2016-02 requires leases to be recognized as assets and liabilities on the balance sheet for the rights and obligations created by all leases with terms of more than 12 months. It is effective for annual and interim periods in fiscal years beginning after December 15, 2018, with early adoption permitted. A multi-disciplined implementation team has gained an understanding of the accounting and disclosure provisions of the standard and is in the process of analyzing the impacts to our business, including the development of new accounting processes to account for our leases and support the required disclosures. We have selected a technology tool to assist with the accounting and reporting requirements of this standard. While we are still evaluating the impact of adopting this standard, we expect that upon adoption the right-of-use assets and lease liabilities, such as various plant equipment rentals and the lease of our corporate office space, will increase the reported assets and liabilities on our Consolidated Balance Sheets. The Partnership expects to adopt this standard on January 1, 2019.

Cash Distributions and Net In19

Cash Distributions and Net Income Per Unit (Tables)	3 Months Ended
	Mar. 31, 2018
Earnings Per Share [Abstract]
Distributions Made to Limited Partner, by Distribution	Our partnership agreement generally provides that we will make cash distributions, if any, each quarter according to the following percentage allocations: Total Quarterly Distribution Per Unit Target Amount Marginal Percentage Interest in Distributions Unitholders General Partner First Target Distribution up to $0.474375 98% 2% Second Target Distribution above $0.474375 up to $0.515625 85% 15% Third Target Distribution above $0.515625 up to $0.618750 75% 25% Thereafter above $0.618750 50% 50% Our distributions are declared subsequent to quarter end. The table below represents total cash distributions applicable to the period in which the distributions were earned: Earned in Quarter Ended Total Quarterly Distribution Per Unit Total Cash Distribution including general partners IDRs Date of Distribution Unitholders Record Date (Dollars in millions) March 31, 2017 $ 0.5940 $ 29.5 June 1, 2017 May 15, 2017 June 30, 2017 $ 0.5940 $ 29.5 September 1, 2017 August 15, 2017 September 30, 2017 $ 0.5940 $ 29.5 December 1, 2017 November 15, 2017 December 31, 2017 $ 0.5940 $ 29.5 March 1, 2018 February 15, 2018 March 31, 2018 (1) $ 0.4000 $ 18.9 June 1, 2018 May 15, 2018 (1) On April 26, 2018 , our Board of Directors declared a cash distribution of $0.40 per unit, which will be paid on June 1, 2018 , to unitholders of record on May 15, 2018 .
Schedule of Calculation of Numerator and Denominator in Earnings Per Share	The calculation of net income allocated to the general and limited partners was as follows: Three Months Ended March 31, 2018 2017 (Dollars in millions) Net income (loss) attributable to SunCoke Energy L.P. $ 12.2 $ (129.3 ) General partner's incentive distribution rights — 1.4 Net income (loss) attributable to partners, excluding incentive distribution rights 12.2 (130.7 ) General partner's ownership interest: 2.0 % 2.0 % General partner's allocated interest in net income (loss) (1) 0.3 (2.7 ) General partner's incentive distribution rights — 1.4 Total general partner's interest in net income (loss) $ 0.3 $ (1.3 ) Common - public unitholder's interest in net income (loss) $ 4.6 $ (57.6 ) Common - SunCoke interest in net income (loss) 7.3 (70.4 ) Total limited partners' interest in net income (loss) $ 11.9 $ (128.0 ) (1) Our net income is allocated to the general partner and limited partners in accordance with their respective partnership percentages, after giving effect to priority income allocations for incentive distributions, if any, to our general partner, pursuant to our partnership agreement. The table above represents a simplified presentation of the calculation, and therefore, amounts may not recalculate precisely. The calculation of earnings per unit is as follows: Three Months Ended March 31, 2018 2017 (Dollars and units in millions, except per unit amounts) Net income (loss) attributable to SunCoke Energy L.P. $ 12.2 $ (129.3 ) General partner's distributions (including zero and $1.4 million, of cash incentive distribution rights declared, respectively) 0.4 2.0 Limited partners' distributions on common units 18.5 27.5 Distributions greater than earnings/loss (6.7 ) (158.8 ) General partner's earnings (loss): Distributions (including zero and $1.4 million, of cash incentive distribution rights declared, respectively) 0.4 2.0 Allocation of distributions greater than earnings/loss (0.1 ) (3.3 ) Total general partner's earnings (loss) 0.3 (1.3 ) Limited partners' earnings (loss) on common units: Distributions 18.5 27.5 Allocation of distributions greater than earnings/loss (6.6 ) (155.5 ) Total limited partners' earnings (loss) on common units 11.9 (128.0 ) Weighted average limited partner units outstanding: Common - basic and diluted 46.2 46.2 Net income (loss) per limited partner unit: Common - basic and diluted $ 0.26 $ (2.77 )
Schedule of Limited Partners' Capital Account by Class	Unit activity for the three months ended March 31, 2018 : Common - Public Common - SunCoke Total Common At December 31, 2017 17,958,420 28,268,728 46,227,148 Common units acquired by SunCoke (188,465 ) 188,465 — At March 31, 2018 17,769,955 28,457,193 46,227,148

Inventories (Tables)

Inventories (Tables)	3 Months Ended
	Mar. 31, 2018
Inventory Disclosure [Abstract]
Schedule of Inventory, Current	The components of inventories were as follows: March 31, 2018 December 31, 2017 (Dollars in millions) Coal $ 45.2 $ 41.0 Coke 5.5 9.5 Materials, supplies, and other 29.0 28.9 Total inventories $ 79.7 $ 79.4

Goodwill and Other Intangible21

Goodwill and Other Intangible Assets (Tables)	3 Months Ended
	Mar. 31, 2018
Goodwill and Intangible Assets Disclosure [Abstract]
Schedule of Finite-Lived Intangible Assets	The components of other intangible assets, net were as follows: March 31, 2018 December 31, 2017 Weighted - Average Remaining Amortization Years Gross Carrying Amount Accumulated Amortization Net Gross Carrying Amount Accumulated Amortization Net (Dollars in millions) Customer contracts 5 $ 24.0 $ 8.5 $ 15.5 $ 24.0 $ 7.8 $ 16.2 Customer relationships 14 28.7 6.2 22.5 28.7 5.7 23.0 Permits 25 139.0 13.5 125.5 139.0 12.2 126.8 Trade name 1 1.2 1.1 0.1 1.2 1.0 0.2 Total $ 192.9 $ 29.3 $ 163.6 $ 192.9 $ 26.7 $ 166.2

Debt and Financing Obligation (

Debt and Financing Obligation (Tables)	3 Months Ended
	Mar. 31, 2018
Debt Disclosure [Abstract]
Schedule of Long-term Debt Instruments	Total debt and financing obligation, including the current portion of long-term debt and financing obligation, consisted of the following: March 31, 2018 December 31, 2017 (Dollars in millions) 7.500 percent senior notes, due 2025 ("2025 Partnership Notes") $ 700.0 $ 700.0 Revolving credit facility, due 2022 ("Partnership Revolver") 130.0 130.0 5.82 percent financing obligation, due 2021 ("Financing Obligation") 12.1 12.7 Total borrowings 842.1 842.7 Original issue discount (5.7 ) (5.9 ) Debt issuance cost (15.4 ) (15.8 ) Total debt and financing obligation 821.0 821.0 Less: current portion of long-term debt and financing obligation 2.6 2.6 Total long-term debt and financing obligation $ 818.4 $ 818.4

Revenue from Contracts with C23

Revenue from Contracts with Customers (Tables)	3 Months Ended
	Mar. 31, 2018
Revenue from Contract with Customer [Abstract]
Changed in Deferred Revenue	The following table provides changes in the Partnership's deferred revenue: Three Months Ended March 31, 2018 2017 (Dollars in millions) Opening balance $ 1.7 $ 2.5 Reclassification of the beginning contract liabilities to revenue, as a result of performance obligation satisfied (0.6 ) (0.5 ) Billings in excess of services performed, not recognized as revenue 2.5 3.6 Ending balance $ 3.6 $ 5.6
Disaggregation of Revenue	Three Months Ended March 31, 2018 2017 (Dollars in millions) Sales and other operating revenue: Cokemaking $ 174.8 $ 157.3 Energy 13.6 13.6 Logistics 24.4 21.9 Other 2.0 2.8 Sales and other operating revenue $ 214.8 $ 195.6 The following table provides disaggregated sales and other operating revenue by customer: Three Months Ended March 31, 2018 2017 (Dollars in millions) Sales and other operating revenue: AM USA $ 37.1 $ 40.2 AK Steel 92.9 83.5 U.S. Steel 51.7 47.7 Foresight and Murray 14.1 11.5 Other 19.0 12.7 Sales and other operating revenue $ 214.8 $ 195.6

Business Segment Disclosures (T

Business Segment Disclosures (Tables)	3 Months Ended
	Mar. 31, 2018
Segment Reporting [Abstract]
Schedule of Segment Reporting Information, by Segment	The following table includes Adjusted EBITDA, which is the measure of segment profit or loss and liquidity reported to the chief operating decision maker for purposes of allocating resources to the segments and assessing their performance: Three Months Ended March 31, 2018 2017 (Dollars in millions) Sales and other operating revenue: Domestic Coke $ 190.0 $ 173.2 Logistics 24.8 22.4 Logistics intersegment sales 1.7 1.8 Elimination of intersegment sales (1.7 ) (1.8 ) Total sales and other operating revenue $ 214.8 $ 195.6 Adjusted EBITDA: Domestic Coke $ 40.3 $ 42.5 Logistics 13.4 13.0 Corporate and Other (4.2 ) (3.8 ) Total Adjusted EBITDA $ 49.5 $ 51.7 Depreciation and amortization expense: Domestic Coke $ 14.7 $ 15.7 Logistics 6.8 5.9 Total depreciation and amortization expense $ 21.5 $ 21.6 Capital expenditures: Domestic Coke $ 10.3 $ 3.6 Logistics 0.3 0.6 Total capital expenditures $ 10.6 $ 4.2 The following table sets forth the Partnership's segment assets: March 31, 2018 December 31, 2017 (Dollars in millions) Segment assets: Domestic Coke $ 1,181.6 $ 1,151.4 Logistics 486.2 489.8 Corporate and Other 0.9 0.2 Total assets $ 1,668.7 $ 1,641.4 The Partnership evaluates the performance of its segments based on segment Adjusted EBITDA, which
Reconciliation of Operating Profit (Loss) from Segments to Consolidated	Below is a reconciliation of Adjusted EBITDA to net income and net cash provided by operating activities, which are its most directly comparable financial measures calculated and presented in accordance with GAAP: Three Months Ended March 31, 2018 2017 (Dollars in millions) Net income (loss) $ 12.7 $ (131.7 ) Add: Depreciation and amortization expense 21.5 21.6 Interest expense, net 15.0 12.6 Income tax expense 0.3 149.2 Adjusted EBITDA $ 49.5 $ 51.7 Subtract: Adjusted EBITDA attributable to noncontrolling interest (1) 0.8 0.8 Adjusted EBITDA attributable to SunCoke Energy Partners $ 48.7 $ 50.9 Three Months Ended March 31, 2018 2017 (Dollars in millions) Net cash provided by operating activities $ 66.1 $ 39.4 Add: Cash interest paid 2.0 20.9 Cash taxes paid 1.3 0.3 Changes in working capital (2) (19.6 ) (11.3 ) Other adjustments to reconcile cash provided by operating activities to Adjusted EBITDA (0.3 ) 2.4 Adjusted EBITDA $ 49.5 $ 51.7 Subtract: Adjusted EBITDA attributable to noncontrolling interest (1) 0.8 0.8 Adjusted EBITDA attributable to SunCoke Energy Partners $ 48.7 $ 50.9 (1) Reflects net income attributable to noncontrolling interest adjusted for noncontrolling interest's share of interest, taxes, income, and depreciation and amortization. (2) Changes in working capital exclude those items not impacting Adjusted EBITDA, such as changes in interest payable and income taxes payable.

General (Details)

General (Details) T in Millions	3 Months Ended
	Mar. 31, 2018USD ($)T	Dec. 31, 2017USD ($)	Mar. 31, 2017USD ($)	Dec. 31, 2016USD ($)
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Coke making capacity (in tons)	2.3
Period of existence	30 years
ASU 2016-18
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Restricted cash | $	$ 0	$ 0	$ 400,000	$ 500,000
Convent, Louisiana, East Chicago, Indiana, West Virginia
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Coal handling capacity (in tons)	40
Coal storage capacity (in tons)	3
SunCoke Energy Inc | SunCoke Energy Partners, L.P.
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Interest in partnership (as a percent)	60.30%
Limited Partnership (LP) ownership interest (as a percent)	2.00%
Haverhill Coke Company LLC, Middletown Coke Company LLC, and Gateway Energy and Coke Company, LLC
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Percent of interest in coal logistics terminals	100.00%
Haverhill Coke Company LLC, Middletown Coke Company LLC, and Gateway Energy and Coke Company, LLC | Suncoke LP
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Interest in partnership (as a percent)	98.00%
Haverhill Coke Company LLC, Middletown Coke Company LLC, and Gateway Energy and Coke Company, LLC | Suncoke Inc
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Limited Partnership (LP) ownership interest (as a percent)	2.00%

Related Party Transactions an26

Related Party Transactions and Agreements (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Haverhill and Granite City
Related Party Transaction [Line Items]
Environmental capital expenditures retained	$ 129
SunCoke Energy Inc | SunCoke Energy Inc
Related Party Transaction [Line Items]
Allocated expenses	6.8	$ 6.9
SunCoke Energy Inc | Logistics | SunCoke Energy Inc
Related Party Transaction [Line Items]
Revenue	$ 2.5	$ 2.2

Cash Distributions and Net In27

Cash Distributions and Net Income Per Unit - Distributions Percentage Allocations (Details)	3 Months Ended
	Mar. 31, 2018$ / shares
First Target Distribution
Incentive Distribution Made to Managing Member or General Partner [Line Items]
Total quarterly distribution target amount (in dollars per share)	$ 0.474375
Second Target Distribution | Minimum
Incentive Distribution Made to Managing Member or General Partner [Line Items]
Total quarterly distribution target amount (in dollars per share)	0.474375
Second Target Distribution | Maximum
Incentive Distribution Made to Managing Member or General Partner [Line Items]
Total quarterly distribution target amount (in dollars per share)	0.515625
Third Target Distribution | Minimum
Incentive Distribution Made to Managing Member or General Partner [Line Items]
Total quarterly distribution target amount (in dollars per share)	0.515625
Third Target Distribution | Maximum
Incentive Distribution Made to Managing Member or General Partner [Line Items]
Total quarterly distribution target amount (in dollars per share)	0.618750
Thereafter | Minimum
Incentive Distribution Made to Managing Member or General Partner [Line Items]
Total quarterly distribution target amount (in dollars per share)	$ 0.618750
Unitholders | First Target Distribution
Incentive Distribution Made to Managing Member or General Partner [Line Items]
Marginal percentage interest in distributions (as a percent)	98.00%
Unitholders | Second Target Distribution
Incentive Distribution Made to Managing Member or General Partner [Line Items]
Marginal percentage interest in distributions (as a percent)	85.00%
Unitholders | Third Target Distribution
Incentive Distribution Made to Managing Member or General Partner [Line Items]
Marginal percentage interest in distributions (as a percent)	75.00%
Unitholders | Thereafter
Incentive Distribution Made to Managing Member or General Partner [Line Items]
Marginal percentage interest in distributions (as a percent)	50.00%
General Partner | First Target Distribution
Incentive Distribution Made to Managing Member or General Partner [Line Items]
Marginal percentage interest in distributions (as a percent)	2.00%
General Partner | Second Target Distribution
Incentive Distribution Made to Managing Member or General Partner [Line Items]
Marginal percentage interest in distributions (as a percent)	15.00%
General Partner | Third Target Distribution
Incentive Distribution Made to Managing Member or General Partner [Line Items]
Marginal percentage interest in distributions (as a percent)	25.00%
General Partner | Thereafter
Incentive Distribution Made to Managing Member or General Partner [Line Items]
Marginal percentage interest in distributions (as a percent)	50.00%

Cash Distributions and Net In28

Cash Distributions and Net Income Per Unit - Allocation of Total Quarterly cash Distributions to General and Limited Partners (Details) - USD ($) $ / shares in Units, $ in Millions	Apr. 26, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017
Dividends Payable [Line Items]
Cash distributions per unit (in dollar per unit)			$ 0.5940	$ 0.5940	$ 0.5940	$ 0.5940
Cash distributions paid			$ 29.5	$ 29.5	$ 29.5	$ 29.5
Distribution declared per unit (in dollar per unit)		$ 0.4
Distributions declared		$ 18.9
Subsequent Event
Dividends Payable [Line Items]
Distribution declared per unit (in dollar per unit)	$ 0.4

Cash Distributions and Net In29

Cash Distributions and Net Income Per Unit - Allocation of Net Income (Details)	3 Months Ended
	Mar. 31, 2018
Earnings Per Share [Abstract]
Allocation to general partner (as a percent)	100.00%

Cash Distributions and Net In30

Cash Distributions and Net Income Per Unit - Calculation of Net Income Allocated to the General and Limited Partners (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Net income (loss) attributable to SunCoke Energy L.P.	$ 12.2	$ (129.3)
Net income (loss) attributable to partners, excluding incentive distribution rights	$ 12.2	$ (130.7)
General partner's ownership interest (as a percent)	2.00%	2.00%
General partner's interest in net income (loss)	$ 0.3	$ (1.3)
Limited partners' interest in net income (loss)	11.9	(128)
General Partner | Incentive Distribution
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
General partner's incentive distribution rights	0	1.4
General Partner | Allocated Interest
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
General partner's interest in net income (loss)	0.3	(2.7)
General Partner | General Partner | Incentive Distribution
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
General partner's interest in net income (loss)	0	1.4
Limited partners' distributions | Common Units - Public
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Limited partners' interest in net income (loss)	4.6	(57.6)
Limited partners' distributions | Common Units - Parent
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Limited partners' interest in net income (loss)	$ 7.3	$ (70.4)

Cash Distributions and Net In31

Cash Distributions and Net Income Per Unit - Calculation of Earnings per Unit (Details) - USD ($) $ / shares in Units, shares in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Net income (loss) attributable to SunCoke Energy L.P.	$ 12,200,000	$ (129,300,000)
Distributions	400,000	2,000,000
Limited partners' distributions on common units	18,900,000
Allocation of distributions greater than earnings/loss	$ (6,700,000)	$ (158,800,000)
Weighted average limited partner units outstanding:
Common - basic and diluted (in shares)	46.2	46.2
Net income (loss) per limited partner unit:
Common - basic and diluted (in dollars per share)	$ 0.26	$ (2.77)
Distribution to unitholders	$ 29,500,000
General Partner
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Distributions	400,000	$ 2,000,000
Allocation of distributions greater than earnings/loss	(100,000)	(3,300,000)
Total partner (loss) earnings	300,000	(1,300,000)
Limited partners' distributions
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Distributions	18,500,000	27,500,000
Allocation of distributions greater than earnings/loss	(6,600,000)	(155,500,000)
Total partner (loss) earnings	11,900,000	(128,000,000)
Common units
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Limited partners' distributions on common units	18,500,000	27,500,000
Incentive Distribution | General Partner | General Partner
Net income (loss) per limited partner unit:
Distribution to unitholders	$ 0	$ 1,400,000

Cash Distributions and Net In32

Cash Distributions and Net Income Per Unit - Unit Activity (Details)	3 Months Ended
	Mar. 31, 2018shares
Common units
Increase (Decrease) in Partners' Capital [Roll Forward]
At December 31, 2017	46,227,148
Common units acquired by SunCoke	0
At December 31, 2017	46,227,148
Common units | Public
Increase (Decrease) in Partners' Capital [Roll Forward]
At December 31, 2017	17,958,420
Common units acquired by SunCoke	(188,465)
At December 31, 2017	17,769,955
Common Units - Parent | SunCoke Energy Inc
Increase (Decrease) in Partners' Capital [Roll Forward]
At December 31, 2017	28,268,728
Common units acquired by SunCoke	188,465
At December 31, 2017	28,457,193

Inventories (Details)

Inventories (Details) - USD ($) $ in Millions	Mar. 31, 2018	Dec. 31, 2017
Inventory Disclosure [Abstract]
Coal	$ 45.2	$ 41
Coke	5.5	9.5
Materials, supplies, and other	29	28.9
Total inventories	$ 79.7	$ 79.4

Goodwill and Other Intangible34

Goodwill and Other Intangible Assets (Details Textual) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Dec. 31, 2017
Goodwill [Line Items]
Goodwill	$ 73.5		$ 73.5
Total amortization expense	$ 2.6	$ 2.6
Permits
Goodwill [Line Items]
Useful lives (in years)	25 years
Convent Marine Terminal | Permits
Goodwill [Line Items]
Useful lives (in years)	27 years
Weighted average period before next renewal or extension	3 years 2 months 12 days
Logistics
Goodwill [Line Items]
Goodwill	$ 73.5		$ 73.5

Goodwill and Other Intangible35

Goodwill and Other Intangible Assets - Gross and Net Intangible Assets (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Dec. 31, 2017
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 192.9	$ 192.9
Accumulated Amortization	29.3	26.7
Net	$ 163.6	166.2
Customer contracts
Finite-Lived Intangible Assets [Line Items]
Weighted - Average Remaining Amortization Years	5 years
Gross Carrying Amount	$ 24	24
Accumulated Amortization	8.5	7.8
Net	$ 15.5	16.2
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Weighted - Average Remaining Amortization Years	14 years
Gross Carrying Amount	$ 28.7	28.7
Accumulated Amortization	6.2	5.7
Net	$ 22.5	23
Permits
Finite-Lived Intangible Assets [Line Items]
Weighted - Average Remaining Amortization Years	25 years
Gross Carrying Amount	$ 139	139
Accumulated Amortization	13.5	12.2
Net	$ 125.5	126.8
Trade name
Finite-Lived Intangible Assets [Line Items]
Weighted - Average Remaining Amortization Years	1 year
Gross Carrying Amount	$ 1.2	1.2
Accumulated Amortization	1.1	1
Net	$ 0.1	$ 0.2

Income Taxes (Details)

Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Operating Loss Carryforwards [Line Items]
Income tax expense	$ 0.3	$ 149.2
Deferred income tax expense	$ 0.4	149.2
IRS
Operating Loss Carryforwards [Line Items]
Deferred income tax expense		$ 148.6

Debt and Financing Obligation -

Debt and Financing Obligation - Schedule of Long Term Debt (Details) - USD ($) $ in Millions	Mar. 31, 2018	Dec. 31, 2017
Debt Instrument [Line Items]
Total borrowings	$ 842.1	$ 842.7
Original issue discount	(5.7)	(5.9)
Debt issuance cost	(15.4)	(15.8)
Total debt and financing obligation	821	821
Less: current portion of long-term debt and financing obligation	2.6	2.6
Total long-term debt and financing obligation	818.4	818.4
7.500 percent senior notes, due 2025 (2025 Partnership Notes) | Senior Notes
Debt Instrument [Line Items]
Total borrowings	$ 700	700
Interest rate on partnership notes (as a percent)	7.50%
Revolving credit facility, due 2022 (Partnership Revolver) | Line of Credit | Revolving Credit Facility
Debt Instrument [Line Items]
Total borrowings	$ 130	130
5.82 percent financing obligation, due 2021 (Financing Obligation) | Financing Obligations
Debt Instrument [Line Items]
Total borrowings	$ 12.1	$ 12.7
Interest rate on partnership notes (as a percent)	5.82%

Debt and Financing Obligation

Debt and Financing Obligation - Narrative (Details)	Jun. 30, 2020	Mar. 31, 2018USD ($)	Dec. 31, 2017USD ($)
Debt Instrument [Line Items]
Total borrowings		$ 842,100,000	$ 842,700,000
Revolving credit facility, due 2022 (Partnership Revolver) | Line of Credit | Revolving Credit Facility
Debt Instrument [Line Items]
Maximum borrowing capacity		285,000,000
Total borrowings		130,000,000	$ 130,000,000
Remaining borrowing capacity		153,100,000
Revolving credit facility, due 2019 (Partnership Revolver) | Line of Credit | Revolving Credit Facility
Debt Instrument [Line Items]
Letters of credit outstanding		$ 1,900,000
Revolving credit facility, due 2019 (Partnership Revolver) | Line of Credit | Revolving Credit Facility | Forecast
Debt Instrument [Line Items]
Leverage ratio, maximum	4
Credit Agreement and Partner Revolver
Debt Instrument [Line Items]
Leverage ratio, maximum		4.5
Interest coverage ratio, minimum		2.5
Cross default debt threshold		$ 35,000,000

Commitments and Contingent Li39

Commitments and Contingent Liabilities (Details) - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2014
Loss Contingencies [Line Items]
Cost of capital projects		$ 111
Haverhill Coke Company LLC and Middletown Coke Company LLC | IPO
Loss Contingencies [Line Items]
Environmental capital expenditures retained		119
Haverhill and Granite City
Loss Contingencies [Line Items]
Payments for legal settlements			$ 2.2
Cost of capital projects		7
Haverhill and Granite City | Suncoke Inc
Loss Contingencies [Line Items]
Environmental capital expenditures retained		10
Haverhill and Granite City
Loss Contingencies [Line Items]
Environmental capital expenditures retained		$ 129
Haverhill and Granite City | Forecast
Loss Contingencies [Line Items]
Environmental capital expenditures retained	$ 10

Fair Value Measurements (Detail

Fair Value Measurements (Details) - USD ($) $ in Millions	Mar. 31, 2018	Dec. 31, 2017
Business Acquisition [Line Items]
Estimated fair value of the Partnership's long-term debt	$ 863	$ 875
Carrying value of Partnership's long-term debt	842.1	842.7
Other Deferred Charges and Liabilities | Fair Value, Inputs, Level 3 | Convent Marine Terminal
Business Acquisition [Line Items]
Business combination, contingent consideration	$ 2.5	$ 2.5

Revenue from Contracts with C41

Revenue from Contracts with Customers - Narrative (Details) T in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2018USD ($)T
Cokemaking
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Percentage of facility capacity	90.00%
Expected term of agreement	7 years
Logistics
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Expected term of agreement	6 years
Capacity (in tons)	15
Performance obligation amount | $	$ 430
Logistics | Foresight and Murray
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Capacity (in tons)	15
Logistics | Foresight and Murray | CMT
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Capacity (in tons)	10

Revenue from Contracts with C42

Revenue from Contracts with Customers - Deferred Revenue (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Change in Contract with Customer, Liability [Roll Forward]
Opening balance	$ 1.7	$ 2.5
Reclassification of the beginning contract liabilities to revenue, as a result of performance obligation satisfied	(0.6)	(0.5)
Billings in excess of services performed, not recognized as revenue	2.5	3.6
Ending balance	$ 3.6	$ 5.6

Revenue from Contracts with C43

Revenue from Contracts with Customers - Disaggregated Sales and Other Operating Revenue (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Disaggregation of Revenue [Line Items]
Sales and other operating revenue	$ 214.8	$ 195.6
AM USA
Disaggregation of Revenue [Line Items]
Sales and other operating revenue	37.1	40.2
AK Steel
Disaggregation of Revenue [Line Items]
Sales and other operating revenue	92.9	83.5
U.S. Steel
Disaggregation of Revenue [Line Items]
Sales and other operating revenue	51.7	47.7
Foresight and Murray
Disaggregation of Revenue [Line Items]
Sales and other operating revenue	14.1	11.5
Other
Disaggregation of Revenue [Line Items]
Sales and other operating revenue	19	12.7
Cokemaking
Disaggregation of Revenue [Line Items]
Sales and other operating revenue	174.8	157.3
Energy
Disaggregation of Revenue [Line Items]
Sales and other operating revenue	13.6	13.6
Logistics
Disaggregation of Revenue [Line Items]
Sales and other operating revenue	24.4	21.9
Other
Disaggregation of Revenue [Line Items]
Sales and other operating revenue	$ 2	$ 2.8

Business Segment Disclosures -

Business Segment Disclosures - Revenues, Expenses and Assets by Segment (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Segment Reporting Information [Line Items]
Sales and other operating revenue	$ 214.8	$ 195.6
Adjusted EBITDA	49.5	51.7
Depreciation and amortization expense	21.5	21.6
Capital expenditures	10.6	4.2
Domestic Coke
Segment Reporting Information [Line Items]
Depreciation and amortization expense	14.7	15.7
Capital expenditures	10.3	3.6
Logistics
Segment Reporting Information [Line Items]
Depreciation and amortization expense	6.8	5.9
Capital expenditures	0.3	0.6
Operating Segments | Domestic Coke
Segment Reporting Information [Line Items]
Sales and other operating revenue	190	173.2
Adjusted EBITDA	40.3	42.5
Operating Segments | Logistics
Segment Reporting Information [Line Items]
Sales and other operating revenue	24.8	22.4
Adjusted EBITDA	13.4	13
Intersegment sales
Segment Reporting Information [Line Items]
Sales and other operating revenue	(1.7)	(1.8)
Intersegment sales | Logistics
Segment Reporting Information [Line Items]
Sales and other operating revenue	1.7	1.8
Corporate and Other
Segment Reporting Information [Line Items]
Adjusted EBITDA	$ (4.2)	$ (3.8)

Business Segment Disclosures 45

Business Segment Disclosures - Segment Assets (Details) - USD ($) $ in Millions	Mar. 31, 2018	Dec. 31, 2017
Segment Reporting Information [Line Items]
Total assets	$ 1,668.7	$ 1,641.4
Operating Segments | Domestic Coke
Segment Reporting Information [Line Items]
Total assets	1,181.6	1,151.4
Operating Segments | Logistics
Segment Reporting Information [Line Items]
Total assets	486.2	489.8
Corporate and Other
Segment Reporting Information [Line Items]
Total assets	$ 0.9	$ 0.2

Business Segment Disclosures 46

Business Segment Disclosures - Adjusted EBITDA (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Segment Reporting [Abstract]
Net income (loss)	$ 12.7	$ (131.7)
Net cash provided by operating activities	66.1	39.4
Add:
Depreciation and amortization expense	21.5	21.6
Interest expense, net	15	12.6
Income tax expense	0.3	149.2
Cash interest paid	2	20.9
Cash taxes paid	1.3	0.3
Changes in working capital	(19.6)	(11.3)
Other adjustments to reconcile cash provided by operating activities to Adjusted EBITDA	(0.3)	2.4
Adjusted EBITDA	49.5	51.7
Subtract:
Adjusted EBITDA attributable to noncontrolling interest(1)	0.8	0.8
Adjusted EBITDA attributable to SunCoke Energy Partners	$ 48.7	$ 50.9