Murphy USA (MUSA) 10-K 26 Feb 16 2015 FY Annual report Financial data

Document And Entity Information

Document And Entity Information - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Jan. 31, 2016	Jun. 30, 2015
Document And Entity Information [Abstract]
Entity Registrant Name	Murphy USA Inc.
Trading Symbol	MUSA
Document Type	10-K
Amendment Flag	false
Document Period End Date	Dec. 31, 2015
Entity Central Index Key	1,573,516
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Document Fiscal Year Focus	2,015
Document Fiscal Period Focus	FY
Entity Well-Known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Common Stock, Shares Outstanding		41,678,873
Entity Public Float			$ 2,391,694

Consolidated Balance Sheets

Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Current assets
Cash and cash equivalents	$ 102,335	$ 327,163	$ 294,741
Accounts receivable—trade, less allowance for doubtful accounts of $1,963 in 2015 and $4,456 in 2014	136,253	138,466
Inventories, at lower of cost or market	155,906	157,046
Prepaid expenses and other current assets	41,173	11,710
Current assets held for sale	0	56,328
Total current assets	435,667	690,713
Property, plant and equipment, at cost less accumulated depreciation and amortization of $724,486 in 2015 and $663,067 in 2014	1,369,318	1,248,081
Restricted cash	68,571	0
Other assets	12,685	10,543
Noncurrent assets held for sale	0	0
Total assets	1,886,241	1,949,337	1,888,564
Current liabilities
Current maturities of long-term debt	222	0
Trade accounts payable and accrued liabilities	390,341	381,271
Income taxes payable	0	18,362
Deferred income taxes	1,729	522
Current liabilities held for sale	0	12,925
Total current liabilities	392,292	413,080
Long-term debt, including capitalized lease obligations	490,160	488,250
Deferred income taxes	161,236	137,882
Asset retirement obligations	24,345	22,245
Deferred credits and other liabilities	25,918	29,175
Total liabilities	1,093,951	1,090,632
Stockholders' Equity
Preferred Stock, par $0.01 (authorized 20,000,000 shares, none outstanding)	0	0
Common Stock, par $0.01, (authorized 200,000,000 shares, 46,767,164 issued and 46,767,164 shares issued and outstanding at 2015 and 2014, respectively)	468	468
Treasury stock (5,088,434 and 1,056,689 shares held at December 31, 2015 and December 31, 2014, respectively)	(294,139)	(51,073)
Additional paid in capital (APIC)	558,182	557,871
Retained earnings	527,779	351,439
Total stockholders' equity	792,290	858,705	$ 656,336	$ 1,104,451
Total liabilities and stockholders' equity	$ 1,886,241	$ 1,949,337

Consolidated Balance Sheets (Pa

Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014	Mar. 31, 2013
Statement of Financial Position [Abstract]
Accounts receivable - trade, allowance for doubtful accounts	$ 1,963	$ 4,456
Property, plant and equipment, accumulated depreciation and amortization	$ 724,486	$ 663,067
Preferred stock par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock shares authorized	20,000,000	20,000,000
Preferred stock shares outstanding	0	0
Common stock par value (in dollars per share)	$ 0.01	$ 0.01	$ 0.01
Common stock shares authorized	200,000,000	200,000,000
Common stock shares issued	46,767,164	46,767,164
Treasury stock, shares	5,088,434	1,056,689

Consolidated and Combined Incom

Consolidated and Combined Income Statements - USD ($) shares in Thousands, $ in Thousands		3 Months Ended								12 Months Ended
		Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Revenues
Petroleum product sales	[1]									$ 10,304,689	$ 14,728,527	$ 15,560,317
Merchandise sales										2,273,888	2,161,378	2,159,466
Other operating revenues										120,834	96,109	94,298
Total revenues		$ 2,928,200	$ 3,382,500	$ 3,468,000	$ 2,920,700	$ 3,554,000	$ 4,622,600	$ 4,693,900	$ 4,115,500	12,699,411	16,986,014	17,814,081
Costs and operating expenses
Petroleum product cost of goods sold	[1]									9,794,475	14,074,579	15,009,955
Merchandise cost of goods sold										1,946,423	1,859,732	1,877,630
Station and other operating expenses										486,383	486,762	460,476
Depreciation and amortization										86,568	79,087	74,053
Selling, general and administrative										129,277	119,266	129,431
Accretion of asset retirement obligations										1,521	1,200	1,096
Total costs and operating expenses										12,444,647	16,620,626	17,552,641
Income from operations										254,764	365,388	261,440
Other income (expense)
Interest income										2,177	244	1,099
Interest expense										(33,531)	(36,646)	(14,509)
Gain (loss) on sale of assets										(4,658)	194	5,995
Other nonoperating income (expense)										(463)	10,166	169
Total other income (expense)										(36,475)	(26,042)	(7,246)
Income from continuing operations before income taxes		44,500	94,100	38,800	40,900	141,800	91,000	93,900	12,600	218,289	339,346	254,194
Income tax expense										80,698	116,386	100,059
Income from continuing operations		29,200	60,000	24,800	23,600	94,400	56,600	64,400	7,600	137,591	222,960	154,135
Income (loss) from discontinued operations, net of income taxes										38,749	20,903	80,898
Net Income		$ 66,700	$ 60,500	$ 26,200	$ 22,900	$ 98,400	$ 62,700	$ 73,200	$ 9,600	$ 176,340	$ 243,863	$ 235,033
Earnings per share - basic:
Income (loss) from continuing operations (in dollars per share)		$ 0.70	$ 1.41	$ 0.56	$ 0.52	$ 2.06	$ 1.24	$ 1.39	$ 0.16	$ 3.17	$ 4.84	$ 3.30
Income (loss) from discontinued operations (in dollars per share)										0.89	0.45	1.73
Net income - basic (in dollars per share)		1.60	1.42	0.59	0.50	2.15	1.35	1.58	0.21	4.06	5.29	5.03
Earnings per share - diluted:
Income from continuing operations (in dollars per share)		0.69	1.40	0.56	0.51	2.04	1.23	1.38	0.16	3.14	4.81	3.29
Income (loss) from discontinued operations (in dollars per share)										0.88	0.45	1.73
Net income - diluted (in dollars per share)		$ 1.58	$ 1.41	$ 0.59	$ 0.50	$ 2.13	$ 1.35	$ 1.57	$ 0.21	$ 4.02	$ 5.26	$ 5.02
Weighted-average shares outstanding (in thousands):
Basic (in shares)										43,434	46,104	46,743
Diluted (in shares)										43,794	46,417	46,858
Excise taxes										$ 1,968,629	$ 1,930,608	$ 1,884,035
[1]	Includes excise taxes of: $1,968,629, $1,930,608, and $1,884,035.

Consolidated and Combined State

Consolidated and Combined Statements of Cash Flows $ in Thousands	12 Months Ended
	Dec. 31, 2015USD ($)	Dec. 31, 2014USD ($)	Dec. 31, 2013USD ($)
Operating Activities
Net income	$ 176,340	$ 243,863	$ 235,033
Adjustments to reconcile net income to net cash provided by operating activities
(Income) loss from discontinued operations, net of taxes	(38,749)	(20,903)	(80,898)
Depreciation and amortization	86,568	79,087	74,053
Deferred and noncurrent income tax charges (credits)	40,556	(4,403)	(11,568)
Accretion on discounted liabilities	1,521	1,200	1,096
Pretax (gains) losses from sale of assets	4,658	(194)	(5,995)
Net decrease (increase) in noncash operating working capital	(46,586)	(36,475)	51,204
Other operating activities - net	9,417	14,531	13,215
Net cash provided by (used in) continuing operations	233,725	276,706	276,140
Net cash provided by (used in) discontinued operations	(17,887)	28,876	80,558
Net cash provided by operating activities	215,838	305,582	356,698
Investing Activities
Property additions	(205,225)	(135,339)	(163,303)
Proceeds from sale of assets	729	376	6,113
Changes in restricted cash	(68,571)	0	0
Other investing activities - net	(2,889)	(10,631)	52
Investing activities of discontinued operations
Sales proceeds	93,765	1,097	173,118
Other	(7,443)	(4,918)	(3,088)
Net cash provided by (required by) investing activities	(189,634)	(149,415)	12,892
Financing Activities
Purchase of treasury stock	(248,695)	(51,348)	0
Repayments of long-term debt	(146)	(70,000)	(81,170)
Additions to long-term debt	0	0	641,250
Cash dividend to former parent	0	0	(650,000)
Debt issuance costs	(58)	(875)	(6,693)
Amounts related to share-based compensation	(3,075)	(580)	0
Net distributions to former parent	0	0	(35,609)
Net cash required by financing activities	(251,974)	(122,803)	(132,222)
Net increase in cash and cash equivalents	(225,770)	33,364	237,368
Cash and cash equivalents at January 1	328,105	294,741	57,373
Cash and cash equivalents at December 31	102,335	328,105	294,741
Less: Cash and cash equivalents held for sale	0	942	0
Cash and cash equivalents of continuing operations at December 31	$ 102,335	$ 327,163	$ 294,741

Consolidated and Combined Stat6

Consolidated and Combined Statements of Changes in Equity - USD ($) $ in Thousands	Total	Common Stock [Member]	Treasury Stock [Member]	APIC [Member]	Net Parent Investment [Member]	Retained Earnings [Member]
Balance at Dec. 31, 2012	$ 1,104,451	$ 0	$ 0	$ 0	$ 1,104,451	$ 0
Balance, shares at Dec. 31, 2012		0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	235,033				127,457	107,576
Dividend paid to former parent	(650,000)				(650,000)
Net transfers to/between former parent	(36,062)				(36,062)
Issuance of stock at the separation and distribution		$ 467		(467)
Issuance of stock at the separation and distribution, shares		46,743,316
Reclassification of net parent investment to APIC				545,846	(545,846)
Issuance of common stock, shares		317
Share-based compensation expense	2,914			2,914
Balance at Dec. 31, 2013	656,336	$ 467	0	548,293	0	107,576
Balance, shares at Dec. 31, 2013		46,743,633
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	243,863					243,863
Issuance of common stock, shares		23,531
Issuance of common stock	1	$ 1
Purchase of treasury stock	(51,348)		(51,348)
Issuance of treasury stock			275	(275)
Amounts related to share-based compensation	(582)			(582)
Share-based compensation expense	10,435			10,435
Balance at Dec. 31, 2014	$ 858,705	$ 468	(51,073)	557,871	0	351,439
Balance, shares at Dec. 31, 2014	46,767,164	46,767,164
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	$ 176,340					176,340
Purchase of treasury stock	(248,695)		(248,695)
Issuance of treasury stock			5,629	(5,629)
Amounts related to share-based compensation	(3,075)			(3,075)
Share-based compensation expense	9,015			9,015
Balance at Dec. 31, 2015	$ 792,290	$ 468	$ (294,139)	$ 558,182	$ 0	$ 527,779
Balance, shares at Dec. 31, 2015	46,767,164	46,767,164

Description of Business and Bas

Description of Business and Basis of Presentation	12 Months Ended
	Dec. 31, 2015
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Description of Business and Basis of Presentation	Description of Business and Basis of Presentation Description of business — The business of Murphy USA Inc. and its subsidiaries (“Murphy USA” or the “Company”) primarily consists of the U.S. retail marketing business that was separated from its former parent company, Murphy Oil Corporation (“Murphy Oil” ), plus other assets, liabilities and operating expenses of Murphy Oil that were associated with supporting the activities of the U.S. retail marketing operations. The separation was approved by the Murphy Oil board of directors on August 7, 2013, and was completed on August 30, 2013 through the distribution of 100% of the outstanding capital stock of Murphy USA to holders of Murphy Oil common stock on the record date of August 21, 2013. Murphy Oil stockholders of record received one share of Murphy USA common stock for every four shares of Murphy Oil common stock. The spin-off was completed in accordance with a separation and distribution agreement entered into between Murphy Oil and Murphy USA. Following the separation, Murphy USA is an independent, publicly traded company, and Murphy Oil retains no ownership interest in Murphy USA. Murphy USA markets refined products through a network of retail gasoline stores and unbranded wholesale customers. Murphy USA’s owned retail stores are almost all located in close proximity to Walmart stores in 24 states and use the brand name Murphy USA®. Murphy USA also markets gasoline and other products at standalone stores under the Murphy Express brand. At December 31, 2015 , Murphy USA had a total of 1,335 Company stores. In October 2009, Murphy USA acquired an ethanol production facility located in Hankinson, North Dakota. The facility was originally designed to produce 110 million gallons of corn-based ethanol per year. Expansion of the plant occurred during 2012, bringing the overall ethanol production capacity to 135 million gallons per year and the plant was sold in December 2013 with all its financial results now being presented as discontinued operations. The Company acquired a partially constructed ethanol production facility in Hereford, Texas, in late 2010. The Hereford facility is designed to produce 105 million gallons of corn-based ethanol per year, and it began operations near the end of the first quarter of 2011. The Hereford ethanol plant was sold in November 2015 with all its financial results also being presented as discontinued operations. The contributed assets of Murphy Oil included in the Company’s financial statements also include buildings, real estate, an airplane and computer equipment and software that are used to support the operating activities of Murphy USA. Basis of Presentation — Murphy USA was incorporated in March 2013 and, in connection with its incorporation, Murphy USA issued 100 shares of common stock, par value $0.01 per share, to Murphy Oil for $1.00 . Murphy USA was formed solely in contemplation of the separation and until the separation was completed on August 30, 2013, it had not commenced operations and had no material assets, liabilities, or commitments. Accordingly the accompanying consolidated and combined financial statements reflect the combined historical results of operations, financial position and cash flows of the Murphy Oil subsidiaries and certain assets, liabilities and operating expenses of Murphy Oil that comprise Murphy USA, as described above, as if such companies and accounts had been combined for all periods presented prior to August 30, 2013. All significant intercompany transactions and accounts within the combined financial statements have been eliminated. For the period prior to separation, the consolidated and combined statements of income include expense allocations for certain corporate functions historically performed by Murphy Oil, including allocations of general corporate expenses related to executive oversight, accounting, treasury, tax, legal, procurement and information technology. These allocations are based primarily on specific identification, headcount or computer utilization. Murphy USA’s management believes the assumptions underlying the consolidated and combined financial statements, including the assumptions regarding the allocation of general corporate expenses from Murphy Oil, are reasonable. However, these consolidated and combined financial statements may not include all of the actual expenses that would have been incurred had the Company been a stand-alone company during the period prior to separation and may not reflect the combined results of operations, financial position and cash flows had the Company been a stand-alone company during the entirety of the periods presented. Actual costs that would have been incurred if Murphy USA had been a stand-alone company for the period prior to separation would depend upon multiple factors, including organizational structure and strategic decisions made in various areas, including information technology and infrastructure. As a result, the consolidated and combined results of operations for the three years ended December 31, 2015 , are not necessarily indicative of the results that may be experienced in the future.

Significant Accounting Policies

Significant Accounting Policies	12 Months Ended
	Dec. 31, 2015
Accounting Policies [Abstract]
Significant Accounting Policies	Significant Accounting Policies PRINCIPLES OF COMBINATION – These consolidated and combined financial statements were prepared in accordance with U.S. generally accepted accounting principles (“GAAP”) and include the accounts of Murphy USA Inc. and selected subsidiaries, and certain assets, liabilities, and expenses of Murphy Oil Corporation for all periods prior to August 30, 2013. All significant intercompany accounts and transactions within the consolidated and combined entity have been eliminated. REVENUE RECOGNITION – Revenues from sales of refined petroleum products are recorded when deliveries have occurred and legal ownership of the commodity transfers to the customer, which may include related party sales to other subsidiaries of Murphy USA. Title transfer for bulk refined products generally occur at pipeline custody points or upon truck loading at product terminals. Refined products sold at retail stores are recorded when the customer takes delivery at the pump. Merchandise revenues are recorded at the point of sale. Rebates from vendors are recognized as a reduction of cost of goods sold when the related inventory item is sold. Incentives that are derived from contractual provisions are accrued based on past experience, when estimable, and are recognized in cost of goods sold. The Company enters into buy/sell and similar arrangements when petroleum products are held at one location but are needed at a different location. The Company often pays or receives funds related to the buy/sell arrangement based on location or quality differences. The Company accounts for such transactions on a net basis in its Consolidated and Combined Income Statements. SHIPPING AND HANDLING COSTS – Costs incurred for the shipping and handling of motor fuel are included in Petroleum product cost of goods sold in the Consolidated and Combined Income Statements. Costs incurred for the shipping and handling of convenience store merchandise are included in Merchandise cost of goods sold in the Consolidated and Combined Income Statements. TAXES COLLECTED FROM CUSTOMERS AND REMITTED TO GOVERNMENT AUTHORITIES – Excise and other taxes collected on sales of refined products and remitted to governmental agencies are included in revenues and costs and operating expenses in the Consolidated and Combined Income Statements. Excise taxes on petroleum products collected and remitted were $1,968,629,000 in 2015 , $1,930,608,000 in 2014 , and $1,884,035,000 in 2013 . CASH EQUIVALENTS – Short-term investments, which include government securities, money market funds and other instruments with government securities as collateral, that have an original maturity of three months or less from the date of purchase are classified as cash equivalents. ACCOUNTS RECEIVABLE – The Company’s accounts receivable are recorded at the invoiced amount and do not bear interest. The accounts receivable primarily consists of amounts owed to the Company from credit card companies and by customers for wholesale sales of refined petroleum products. The allowance for doubtful accounts is the Company’s best estimate of the amount of probable credit losses on these receivables. The Company reviews this allowance for adequacy at least quarterly and bases its assessment on a combination of current information about its customers and historical write-off experience. Any trade accounts receivable balances written off are charged against the allowance for doubtful accounts. The Company has not experienced any significant credit-related losses in the past three years. INVENTORIES – Inventories of most finished products are valued at the lower of cost, generally applied on a last-in, first-out (“LIFO”) basis, or market. Any increments to LIFO inventory volumes are valued based on the first purchase price for these volumes during the year. Merchandise inventories held for resale are carried at average cost. Materials and supplies are valued at the lower of average cost or estimated value. VENDOR ALLOWANCES AND REBATES – Murphy USA receives payments for vendor allowances, volume rebates and other related payments from various suppliers of its convenience store merchandise. Vendor allowances for price markdowns are credited to merchandise cost of goods sold during the period the related markdown is recognized. Volume rebates of merchandise are recorded as reductions to merchandise cost of goods sold when the merchandise qualifying for the rebate is sold. Slotting and stocking allowances received from a vendor are recorded as a reduction to cost of sales over the period covered by the agreement. PROPERTY, PLANT AND EQUIPMENT – Additions to property, plant and equipment, including renewals and betterments, are capitalized and recorded at cost. Certain marketing facilities are primarily depreciated using the composite straight-line method with depreciable lives ranging from 16 to 25 years. Gasoline stations, improvements to gasoline stations and other assets are depreciated over 3 to 50 years by individual unit on the straight-line method. Gains and losses on asset disposals or retirements are included in income as a separate component of other non operating income. The Company has undertaken like-kind exchange ("LKE") transactions under the Federal tax code in an effort to acquire and sell real and personal property in a tax efficient manner. The Company generally enters into forward transactions, in which property is sold and the proceeds are reinvested by acquiring similar property; and reverse transactions, in which property is acquired and similar property is subsequently sold. A qualified LKE intermediary is used to facilitate these LKE transactions. Proceeds from forward LKE transactions are held by the intermediary and are classified as restricted cash on the Company's balance sheet because the funds must be reinvested in similar properties. If the acquisition of suitable LKE properties is not completed within 180 days of the sale of the Company-owned property, the proceeds are distributed to the Company by the intermediary and are reclassified as available cash and applicable income taxes are determined. At December 31, 2015 , the Company had $68,571,000 of proceeds from the sale of the Hereford ethanol plant deposited with an LKE intermediary. An exchange accommodation titleholder, a type of variable interest entity, is used to facilitate reverse like-kind exchanges. The acquired assets are held by the exchange accommodation titleholder until the exchange transactions are complete. If the Company determines that it is the primary beneficiary of the exchange accommodation titleholder, the replacements assets held by the exchange accommodation titleholder are consolidated and recorded in Property, Plant & Equipment on the consolidated balance sheets. The unspent proceeds that are held in trust with the intermediary are recorded as noncurrent assets in the Consolidated Balance Sheet as the cash was restricted for the acquisition of property, plant and equipment. IMPAIRMENT OF ASSETS – Long-lived assets, which include property and equipment and finite-lived intangible assets, are tested for recoverability whenever events or changes in circumstances indicate that the carrying amount of the asset may not be recoverable. A long-lived asset is not recoverable if its carrying amount exceeds the sum of the undiscounted cash flows expected to result from its use and eventual disposition. If a long-lived asset is not recoverable, an impairment loss is recognized for the amount by which the carrying amount of the long-lived asset exceeds its fair value, with fair value determined based on discounted estimated net cash flows or other appropriate methods. ASSET RETIREMENT OBLIGATIONS – The Company records a liability for asset retirement obligations (“ARO”) equal to the fair value of the estimated cost to retire an asset. The ARO liability is initially recorded in the period in which the obligation meets the definition of a liability, which is generally when the asset is placed in service. The ARO liability is estimated using existing regulatory requirements and anticipated future inflation rates. When the liability is initially recorded, the Company increases the carrying amount of the related long-lived asset by an amount equal to the original liability. The liability is increased over time to reflect the change in its present value, and the capitalized cost is depreciated over the useful life of the related long-lived asset. The Company reevaluates the adequacy of its recorded ARO liability at least annually. Actual costs of asset retirements such as dismantling service stations and site restoration are charged against the related liability. Any difference between costs incurred upon settlement of an asset retirement obligation and the recorded liability is recognized as a gain or loss in the Company’s earnings. ENVIRONMENTAL LIABILITIES – A liability for environmental matters is established when it is probable that an environmental obligation exists and the cost can be reasonably estimated. If there is a range of reasonably estimated costs, the most likely amount will be recorded, or if no amount is most likely, the minimum of the range is used. Related expenditures are charged against the liability. Environmental remediation liabilities have not been discounted for the time value of future expected payments. Environmental expenditures that have future economic benefit are capitalized. INCOME TAXES – The Company accounts for income taxes using the asset and liability method. Under this method, income taxes are provided for amounts currently payable and for amounts deferred as tax assets and liabilities based on differences between the financial statement carrying amounts and the tax bases of existing assets and liabilities. Deferred income taxes are measured using the enacted tax rates that are assumed will be in effect when the differences reverse. The Company routinely assesses the realizability of deferred tax assets based on available positive and negative evidence including assumptions of future taxable income, tax planning strategies and other pertinent factors. A deferred tax asset valuation allowance is recorded when evidence indicates that it is more likely than not that all or a portion of these deferred tax assets will not be realized in a future period. The accounting rules for income tax uncertainties permit recognition of income tax benefits only when they are more likely than not to be realized. The Company includes potential penalties and interest for uncertain income tax positions in income tax expense. The Company’s results of operations were included in the consolidated federal income tax return of Murphy Oil prior to the separation, while in most cases, these results have been included in the various state tax returns of Murphy USA historically. For these financial statements, federal and state income taxes have been computed and recorded as if the Company filed separate federal and state income tax returns. Federal and state income tax benefits of operating losses generated are recognized to the extent that they could be expected to reduce federal income tax expense for the Company via a carryback to a previous year or carried forward for use in a subsequent year. The calculations of current and deferred income taxes, therefore, require use of certain assumptions, allocations and estimates that management believes are reasonable to reflect the Company’s income taxes as a stand-alone taxpayer. The Company has elected to classify any interest expense and penalties related to the underpayment of income taxes in Income tax expense in the Consolidated and Combined Income Statements. DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES – The fair value of a derivative instrument is recognized as an asset or liability in the Company’s Consolidated Balance Sheets. Upon entering into a derivative contract, the Company may designate the derivative as either a fair value hedge or a cash flow hedge, or decide that the contract is not a hedge, and therefore, recognize changes in the fair value of the contract in earnings. The Company documents the relationship between the derivative instrument designated as a hedge and the hedged items as well as its objective for risk management and strategy for use of the hedging instrument to manage the risk. See Note 14 and Note 17 for further information about the Company’s derivatives. STOCK-BASED COMPENSATION – The fair value of awarded stock options, restricted stock, restricted stock units and performance stock units is determined based on a combination of management assumptions for awards issued. The Company uses the Black-Scholes option pricing model for computing the fair value of stock options. The primary assumptions made by management included the expected life of the stock option award and the expected volatility of the Company’s common stock prices. The Company uses both historical data and current information to support its assumptions. Stock option expense is recognized on a straight-line basis over the respective vesting period of three years. The Company uses a Monte Carlo valuation model to determine the fair value of performance-based stock units that are based on performance compared against a peer group and the related expense is recognized over the three -year vesting period. Management estimates the number of all awards that will not vest and adjusts its compensation expense accordingly. Differences between estimated and actual vested amounts are accounted for as an adjustment to expense when known. See Note 12 for a discussion of the basis of allocation of such costs. NET INVESTMENT BY FORMER PARENT– The Net investment by former parent represented a net balance reflecting Murphy Oil’s initial investment in the Company and subsequent adjustments resulting from the operations of the Company and various transactions between the Company and Murphy Oil. The balance is the result of the Company’s participation in Murphy Oil’s centralized cash management program under which all the Company’s cash receipts were remitted to Murphy Oil and all cash disbursements are funded by Murphy Oil. The net balance included amounts due from or owed to Murphy Oil. Other transactions affecting the Net investment by Murphy Oil included general and administrative expenses incurred by Murphy Oil and allocated to the Company. There were no terms of settlement or interest charges associated with the Net investment by Murphy Oil balance. Changes in amounts owed to or due from Murphy Oil were included in financing activities in the Statements of Cash Flows. All transactions affecting the balance of this account ceased at the separation. USE OF ESTIMATES – In preparing the financial statements of the Company in conformity with U.S. GAAP, management has made a number of estimates and assumptions related to the reporting of assets, liabilities, revenues, and expenses and the disclosure of contingent assets and liabilities. Actual results may differ from the estimates. On an ongoing basis, we review our estimates based on currently available information. Changes in facts and circumstances may result in revised estimates.

Related-Party Transactions

Related-Party Transactions	12 Months Ended
	Dec. 31, 2015
Related Party Transactions [Abstract]
Related-Party Transactions	Related-Party Transactions Related-party transactions of the Company include the allocation of certain general and administrative costs from Murphy Oil to the Company and payment of interest expense to or receipt of interest income from Murphy Oil for intercompany payables balances for periods prior to the separation. General and administrative costs were charged by Murphy Oil to the Company based on management’s determination of such costs attributable to the operations of the Company. However, such related-party transactions cannot be presumed to be carried out on an arm’s length basis as the requisite conditions of competitive, free-market dealings may not exist. Prior to the separation, Murphy Oil provided cash management services to the Company. As a result, the Company generally remitted funds received to Murphy Oil, and Murphy Oil paid all operating and capital expenditures on behalf of the Company. Such cash transactions were reflected in the change in the Net Investment by Parent. The Consolidated and Combined Income Statements include expense allocations for certain functions provided to the Company by Murphy Oil prior to the separation. If possible, these allocations were made on a specific identification basis. Otherwise, the expenses related to services provided to the Company by Murphy Oil were allocated to Murphy USA based on relative percentages of headcount or other appropriate methods depending on the nature of each type of cost to be allocated. Charges for functions historically provided to the Company by Murphy Oil were primarily attributable to Murphy Oil’s performance of many shared services that the Company benefited from, such as treasury, tax, accounting, risk management, legal, internal audit, procurement, human resources, investor relations and information technology. Murphy USA also participated in certain Murphy Oil insurance, benefit and incentive plans. The Consolidated and Combined Income Statements reflect charges from Murphy Oil and its other subsidiaries for these services of $0 , $0 and $50,975,000 for the three years ended December 31, 2015 , 2014 and 2013 , respectively. Included in the charges above are amounts recognized for stock-based compensation expense (Note 12). Included in Interest income in the Consolidated and Combined Income Statements for the three years ended December 31, 2015 , 2014 and 2013 was interest income from affiliates of $0 , $0 and $1,080,000 , respectively. These amounts were paid on balances that were previously intercompany prior to the separation from Murphy Oil and were settled in full at the separation date.

Discontinued Operations

Discontinued Operations	12 Months Ended
	Dec. 31, 2015
Discontinued Operations and Disposal Groups [Abstract]
Discontinued Operations	Discontinued Operations In November 2013, the Company announced that it had entered into negotiations to sell its Hankinson, North Dakota ethanol production facility as part of management’s strategic plan to exit non-core businesses. On December 19, 2013, the Company sold its wholly-owned subsidiary Hankinson Renewable Energy, LLC which owned and operated an ethanol manufacturing facility in Hankinson, North Dakota, and its related assets for $170,000,000 plus working capital adjustments of approximately $3,118,000 . During January 2014, the final adjustments to working capital were made and the Company received an additional $1.1 million in sales proceeds which has been included in discontinued operations for the period. The Company has accounted for all operations related to Hankinson Renewable, LLC as discontinued operations for all periods presented. The after-tax gain from disposal of the subsidiary (including associated inventories) was $52,542,000 in 2013 with an additional $781,000 in 2014 related to the final working capital adjustment. The results of operations associated with the Hankinson discontinued operations are presented in the following table. (Thousands of dollars) 2014 2013 Revenues $ — $ 366,707 Income (loss) from operations before income taxes — 40,130 Gain on sale before income taxes 1,202 80,834 Total income (loss) from discontinued operations before taxes 1,202 120,964 Provision for income taxes 421 42,257 Income (loss) from discontinued operations $ 781 $ 78,707 In September 2015, the Company determined that it had met held for sale criteria for its Hereford, Texas ethanol production facility. On September 25, 2015, the Company signed a letter of intent to sell this subsidiary for a gain and the transaction closed on November 12, 2015. We have classified the results of the Hereford plant as discontinued operations in our Consolidated and Combined Income Statement for all periods presented. Additionally, the related assets and liabilities associated with discontinued operations are classified as held for sale in our Consolidated Balance Sheet at December 31, 2014. The assets and liabilities as of December 31, 2014 are classified as current in our Consolidated Balance Sheet as we expected to close the transaction discussed above within one year. The Company believes that selling the ethanol plant represents a strategic shift for the Company and that the financial results of the plant meet the quantitative and qualitative thresholds discussed in ASU 2014-08, Reporting Discontinued Operations and Disclosures of Components of an Entity. The financial results of our Hereford plant through December 31, 2015 are presented as income from discontinued operations, net of income taxes on our Consolidated and Combined Income Statement. The results of the Hereford ethanol plant have been included along with "Corporate" as a reconciling item within our segment footnote. The following table presents financial results of the Hereford business: Twelve months ended December 31, (Thousands of dollars) 2015 2014 2013 Revenues Ethanol sales $ 154,502 $ 223,904 $ 269,254 Total revenues 154,502 223,904 269,254 Costs and operating expenses Ethanol cost of goods sold 121,753 158,276 228,899 Station and other operating expenses 27,881 34,763 33,227 Depreciation and amortization 333 147 77 Selling, general and administrative expenses 1,382 1,635 3,568 Total costs and operating expenses 151,349 194,821 265,771 Income from operations 3,153 29,083 3,483 Other income (expense) Gain (loss) on sale of assets 60,782 — — Other nonoperating income (expense) — 994 — Total other income (expense) 60,782 994 — Income before income taxes 63,935 30,077 3,483 Income taxes 25,186 9,955 1,292 Net income $ 38,749 $ 20,122 $ 2,191 The following tables present the aggregate carrying amounts of the classes of held for sale assets and liabilities: (Thousands of dollars) 2014 Carrying amount of assets included as part of discontinued operations: Cash and cash equivalents $ 942 Accounts receivable - trade 1,625 Inventories, at lower of cost or market 25,868 Prepaid expenses and other current assets 3,062 Property, plant and equipment, net 5,043 Other assets 515 Deferred tax assets 19,273 Total assets classified as held for sale in the condensed consolidated balance sheet $ 56,328 2014 (Thousands of dollars) Carrying amount of liabilities included as part of discontinued operations: Trade accounts payable and accrued liabilities $ 5,728 Income taxes payable 7,238 Deferred income taxes, net (41 ) Total liabilities classified as held for sale in the condensed consolidated balance sheet $ 12,925 The following table presents cash flow of the Hereford ethanol plant: Twelve months ended December 31, (Thousands of dollars) 2015 2014 2013 Net cash provided by (used in) discontinued operating activities $ (17,887 ) $ 28,741 $ 30,810 Net cash provided by (used in) discontinued investing activities $ 86,322 $ (4,918 ) $ (1,959 )

Change in Accounting Principle

Change in Accounting Principle	12 Months Ended
	Dec. 31, 2015
Accounting Changes and Error Corrections [Abstract]
Change in Accounting Principle	Change in Accounting Principle During the first quarter of 2015, the Company elected to early adopt the provisions of ASU 2015-03 “Simplifying the Presentation of Debt Issuance Costs”. In accordance with provisions of the FASB ASU topic on “Accounting Changes and Error Corrections” all prior periods presented have been retrospectively adjusted to apply the change in accounting principle. For a summary of the adjustments, see below: Previous Accounting Method Effect of Change In As Reported (thousands of dollars) December 31, 2015 Accounting Principle December 31, 2015 Other assets $ 16,211 $ (3,526 ) $ 12,685 Long-term debt $ 493,686 $ (3,526 ) $ 490,160 As Originally Reported Effect of Change In As Currently Reported December 31, 2014 Accounting Principle December 31, 2014 Other assets $ 14,736 $ (4,193 ) $ 10,543 Long-term debt $ 492,443 $ (4,193 ) $ 488,250

Inventories

Inventories	12 Months Ended
	Dec. 31, 2015
Inventory Disclosure [Abstract]
Inventories	Inventories Inventories consisted of the following: December 31, (Thousands of dollars) 2015 2014 Finished products - FIFO basis $ 159,774 $ 200,272 Less LIFO - finished products (102,849 ) (144,283 ) Finished products - LIFO basis 56,925 55,989 Store merchandise for resale 94,925 98,712 Materials and supplies 4,056 2,345 Total inventories $ 155,906 $ 157,046 At December 31, 2015 and 2014 , the replacement cost (market value) of last-in, first-out (LIFO) inventories exceeded the LIFO carrying value by $102,849,000 and $144,283,000 , respectively. In 2014, inventories valued at LIFO incurred a decrement that resulted in a benefit of $19,512,000 on income from continuing operations before income tax. Inventories valued at LIFO incurred a decrement that resulted in a charge to earnings of $13,472,000 at December 31, 2013.

Property, Plant and Equipment

Property, Plant and Equipment	12 Months Ended
	Dec. 31, 2015
Property, Plant and Equipment [Abstract]
Property, Plant and Equipment	Property, Plant and Equipment December 31, 2015 December 31, 2014 (Thousands of dollars) Estimated Useful Life Cost Net Cost Net Land $ 555,198 $ 555,198 $ 527,158 $ 527,158 Pipeline and terminal facilities 16 to 25 years 95,244 40,846 88,447 36,384 Retail gasoline stations 3 to 50 years 1,367,176 746,747 1,229,582 662,954 Buildings 20 to 45 years 19,441 8,985 18,160 8,328 Other 3 to 20 years 56,745 17,542 47,801 13,257 $ 2,093,804 $ 1,369,318 $ 1,911,148 $ 1,248,081

Accounts Payable and Accrued Li

Accounts Payable and Accrued Liabilities	12 Months Ended
	Dec. 31, 2015
Payables and Accruals [Abstract]
Accounts Payable and Accrued Liabilities	Accounts Payable and Accrued Liabilities Trade accounts payable and accrued liabilities consisted of the following: December 31, (Thousands of dollars) 2015 2014 Trade accounts payable $ 226,769 $ 227,113 Excise taxes/withholdings payable 75,704 71,273 Accrued insurance obligations 23,347 19,280 Other 64,521 63,605 Accounts payable and accrued liabilities $ 390,341 $ 381,271

Long-Term Debt

Long-Term Debt	12 Months Ended
	Dec. 31, 2015
Debt Disclosure [Abstract]
Long-Term Debt	Long-Term Debt Long-term debt consisted of the following: December 31, (Thousands of dollars) 2015 2014 6% senior notes due 2023 (net of unamortized discount of $6,692 at 2015 and $7,557 at 2014) $ 493,308 $ 492,443 Less unamortized debt issuance costs (3,526 ) (4,193 ) Total notes payable, net 489,782 488,250 Capitalized lease obligations, vehicles, due through 2018 600 — Less current maturities (222 ) — Total long-term debt $ 490,160 $ 488,250 Senior Notes On August 14, 2013, Murphy Oil USA, Inc., our primary operating subsidiary, issued 6.00% Senior Notes due 2023 (the “Senior Notes”) in an aggregate principal amount of $500 million . The Senior Notes are fully and unconditionally guaranteed by Murphy USA, and are guaranteed by certain 100% owned subsidiaries that guarantee our credit facilities. The indenture governing the Senior Notes contains restrictive covenants that limit, among other things, the ability of Murphy USA, Murphy Oil USA, Inc. and the restricted subsidiaries to incur additional indebtedness or liens, dispose of assets, make certain restricted payments or investments, enter into transactions with affiliates or merge with or into other entities. The Senior Notes and the guarantees rank equally with all of our and the guarantors’ existing and future senior unsecured indebtedness and effectively junior to our and the guarantors’ existing and future secured indebtedness (including indebtedness with respect to the credit facilities) to the extent of the value of the assets securing such indebtedness. The Senior Notes are structurally subordinated to all of the existing and future third-party liabilities, including trade payables, of our existing and future subsidiaries that do not guarantee the notes. We used the net proceeds of the Senior Notes, together with borrowings under the credit facilities, to finance a cash dividend of $650 million from Murphy Oil USA, Inc. to Murphy Oil paid in connection with the Separation. On June 17, 2014, we closed an exchange offer for our Senior Notes to make them eligible for public resale, as required by a registration rights agreement entered into in connection with the issuance of the Senior Notes. All of the Senior Notes were tendered for exchange. Credit Facilities On August 30, 2013, we entered into a credit agreement, which provides for a committed $450 million asset-based loan (ABL) facility (with availability subject to the borrowing base described below) and a $150 million term facility. It also provides for a $200 million uncommitted incremental facility. On August 30, 2013, Murphy Oil USA, Inc. borrowed $150 million under the term facility, the proceeds of which were used, together with the net proceeds of the offering of the Senior Notes, to finance the $650 million cash dividend from Murphy USA Inc. to Murphy Oil. The term facility was repaid in full in May 2014. On September 2, 2014, we amended the credit agreement to extend the maturity date to September 2, 2019 and amend the terms of the various covenants. The borrowing base is expected, at any time of determination, to be an amount (net of reserves) equal to the sum of: • 100% of eligible cash at such time, plus • 90% of eligible credit card receivables at such time, plus • 90% of eligible investment grade accounts, plus • 85% of eligible other accounts, plus • 80% of eligible product supply/wholesale refined products inventory at such time, plus • 75% of eligible retail refined products inventory at such time, plus the lesser of (i) 70% of the average cost of eligible retail merchandise inventory at such time and (ii) 85% of the net orderly liquidation value of eligible retail merchandise inventory at such time. The ABL facility includes a $75 million sublimit on swingline loans and a $200 million sublimit for the issuance of letters of credit. Swingline loans and letters of credit issued under the ABL facility reduce availability under the ABL facility. Interest payable on the credit facilities is based on either: • the London interbank offered rate, adjusted for statutory reserve requirements (the “Adjusted LIBO Rate”); or • the Alternate Base Rate, which is defined as the highest of (a) the prime rate, (b) the federal funds effective rate from time to time plus 0.50% per annum and (c) the one-month Adjusted LIBO Rate plus 1.00% per annum, plus, (A) in the case Adjusted LIBO Rate borrowings, (i) with respect to the ABL facility, spreads ranging from 1.50% to 2.00% per annum depending on the average availability under the ABL facility or (ii) with respect to the term facility, spreads ranging from 2.75% to 3.00% per annum depending on a secured debt to EBITDA ratio and (B) in the case of Alternate Base Rate borrowings, (i) with respect to the ABL facility, spreads ranging from 0.50% to 1.00% per annum depending on the average availability under the ABL facility or (ii) with respect to the term facility, spreads ranging from 1.75% to 2.00% per annum depending on a secured debt to EBITDA ratio. The interest rate period with respect to the Adjusted LIBO Rate interest rate option can be set at one -, two -, three -, or six -months as selected by us in accordance with the terms of the credit agreement. The credit agreement contains certain covenants that limit, among other things, the ability of us and our subsidiaries to incur additional indebtedness or liens, to make certain investments, to enter into sale-leaseback transactions, to make certain restricted payments, to enter into consolidations, mergers or sales of material assets and other fundamental changes, to transact with affiliates, to enter into agreements restricting the ability of subsidiaries to incur liens or pay dividends, or to make certain accounting changes. In addition, the credit agreement requires us to maintain a fixed charge coverage ratio of a minimum of 1.0 to 1.0 when availability for at least three consecutive business days is less than the greater of (a) 17.5% of the lesser of the aggregate ABL facility commitments and the borrowing base and (b) $70,000,000 (including as of the most recent fiscal quarter end on the first date when availability is less than such amount). As of December 31, 2015 , our fixed charge coverage ratio was 0.59 ; however, we had no debt outstanding under the facility at that date so the fixed charge coverage ratio currently has no impact on our operations or liquidity. Prior to the repayment of the term loan, we were also subject to a maximum secured debt to EBITDA ratio of 4.5 to 1.0 at any time when term facility commitments or term loans thereunder were outstanding. After giving effect to the applicable restrictions on certain payments, which could include dividends under the credit agreement (which restrictions are only applicable when availability under the credit agreement does not exceed the greater of 25% of the lesser of the revolving commitments and the borrowing base and $100 million (and if availability under the credit agreement does not exceed the greater of 40% of the lesser of the revolving commitments and the borrowing base and $150 million , then our fixed charge coverage ratio must be at least 1.0 to 1.0)) and the indenture, and subject to compliance with applicable law. As of December 31, 2015 , the Company's ability to make restricted payments was limited as our availability under the borrowing base was less than $150.0 million and our fixed charge coverage ratio was less than 1.0 to 1.0. At December 31, 2015 , the Company had a shortfall of approximately $245.7 million of its net income and retained earnings subject to such restrictions before the fixed charge coverage ratio would exceed 1.0 to 1.0. . All obligations under the credit agreement are guaranteed by Murphy USA and the subsidiary guarantors party thereto, and all obligations under the credit agreement, including the guarantees of those obligations, are secured by certain assets of Murphy USA, Murphy Oil USA, Inc. and the guarantors party thereto.

Asset Retirement Obligations (A

Asset Retirement Obligations (ARO)	12 Months Ended
	Dec. 31, 2015
Asset Retirement Obligation Disclosure [Abstract]
Asset Retirement Obligations (ARO)	Asset Retirement Obligations (ARO) The majority of the ARO recognized by the Company at December 31, 2015 and 2014 related to the estimated costs to dismantle and abandon certain of its retail gasoline stations. The Company has not recorded an ARO for certain of its marketing assets because sufficient information is presently not available to estimate a range of potential settlement dates for the obligation. These assets are consistently being upgraded and are expected to be operational into the foreseeable future. In these cases, the obligation will be initially recognized in the period in which sufficient information exists to estimate the obligation. A reconciliation of the beginning and ending aggregate carrying amount of the ARO is shown in the following table. December 31, (Thousands of dollars) 2015 2014 Balance at beginning of period $ 22,245 $ 17,130 Accretion expense 1,521 1,200 Liabilities incurred 579 3,915 Balance at end of period $ 24,345 $ 22,245 The estimation of future ARO is based on a number of assumptions requiring professional judgment. The Company cannot predict the type of revisions to these assumptions that may be required in future periods due to the lack of availability of additional information.

Income Taxes

Income Taxes	12 Months Ended
	Dec. 31, 2015
Income Tax Disclosure [Abstract]
Income Taxes	Income Taxes The components of income from continuing operations before income taxes for each of the three years ended December 31, 2015 and income tax expense (benefit) attributable thereto were as follows: Years Ended December 31, (Thousands of dollars) 2015 2014 2013 Income (loss) from continuing operations before income taxes $ 218,289 $ 339,346 $ 254,194 Income tax expense (benefit) Federal - Current $ 58,039 119,338 92,828 Federal - Deferred 15,853 (382 ) (9,067 ) State - Current and deferred 6,806 (2,570 ) 16,298 Total $ 80,698 $ 116,386 $ 100,059 The following table reconciles income taxes based on the U.S. statutory tax rate to the Company’s income tax expense. Years Ended December 31, (Thousands of dollars) 2015 2014 2013 Income tax expense based on the U.S. statutory tax rate $ 76,401 $ 118,771 $ 88,968 State income taxes, net of federal benefit 4,424 (1,671 ) 10,594 Other, net (127 ) (714 ) 497 Total $ 80,698 $ 116,386 $ 100,059 An analysis of the Company’s deferred tax assets and deferred tax liabilities at December 31, 2015 and 2014 showing the tax effects of significant temporary differences follows: December 31, (Thousands of dollars) 2015 2014 Deferred tax assets Property costs and asset retirement obligations $ 2,666 $ 2,157 Employee benefits 9,647 9,712 Other deferred tax assets 7,297 8,995 Total gross deferred tax assets 19,610 20,864 Less valuation allowance — — Net deferred tax assets 19,610 20,864 Deferred tax liabilities Accumulated depreciation and amortization (157,322 ) (133,535 ) State deferred taxes (17,042 ) (16,855 ) Other deferred tax liabilities (8,211 ) (8,837 ) Total gross deferred tax liabilities (182,575 ) (159,227 ) Net deferred tax liabilities $ (162,965 ) $ (138,363 ) In management’s judgment, the net deferred tax assets in the preceding table will more likely than not be realized as reductions of future taxable income or by utilizing available tax planning strategies. Murphy Oil’s tax returns in multiple jurisdictions that include the Company are subject to audit by taxing authorities. These audits often take years to complete and settle. As of December 31, 2015 , the earliest year remaining open for Federal audit and/or settlement is 2012 and for the states it ranges from 2008 - 2011 . Although the Company believes that recorded liabilities for unsettled issues are adequate, additional gains or losses could occur in future periods from resolution of outstanding unsettled matters. The FASB’s rules for accounting for income tax uncertainties clarify the criteria for recognizing uncertain income tax benefits and require additional disclosures about uncertain tax positions. Under U.S. GAAP the financial statement recognition of the benefit for a tax position is dependent upon the benefit being more likely than not to be sustainable upon audit by the applicable taxing authority. If this threshold is met, the tax benefit is then measured and recognized at the largest amount that is greater than 50 percent likely of being realized upon ultimate settlement. Liabilities associated with uncertain income tax positions are included in Deferred Credits and Other Liabilities in the Consolidated Balance Sheet. A reconciliation of the beginning and ending amount of the consolidated liability for unrecognized income tax benefits during the year ended December 31, 2015 and 2014 is shown in the following table. No uncertain tax position liabilities were recognized for the year ending December 31, 2013. Year Ended December 31, (Thousands of dollars) 2015 2014 Balance at January 1 $ 6,101 $ — Additions for tax positions related to prior year 222 10,086 Additions for tax positions related to current year — 77 Settlements with taxing authorities — (1,563 ) Expiration of statutes of limitation (873 ) (2,499 ) Balance at December 31 $ 5,450 $ 6,101 All additions or reductions to the above liability affect the Company’s effective tax rate in the respective period of change. The Company accounts for any applicable interest and penalties on uncertain tax positions as a component of income tax expense. Income tax expense for the years ended December 31, 2015 , 2014 and 2013 included net benefits for interest and penalties of $651,000 , $1,143,000 and $0 , respectively, associated with uncertain tax positions. During the next twelve months, the Company currently expects to add immaterial amounts to the liability for uncertain taxes for 2016 events. Although existing liabilities could be reduced by settlement with taxing authorities or lapse due to statute of limitations, the Company believes that the changes in its unrecognized tax benefits due to these events will not have a material impact on the Consolidated Income Statement during 2016 .

Incentive Plans

Incentive Plans	12 Months Ended
	Dec. 31, 2015
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Incentive Plans	Incentive Plans Prior to the separation, our employees participated in the Murphy Oil 2007 Long-Term Incentive Plan (the “2007 Plan”) and the Murphy Oil 2012 Long-Term Incentive Plan (the “2012 Plan”) and received Murphy Oil restricted stock awards and options to purchase shares of Murphy Oil common stock. While participating in these two plans, costs resulting from share-based payment transactions were allocated and recognized as an expense in the financial statements using a fair value-based measurement method over the periods that the awards vested. Certain employees of the Company have received annual grants in the form of Murphy Oil stock options, restricted stock units and other forms of share-based payments prior to the separation. Accordingly, the Company has accounted for expense for these plans in accordance with SAB Topic 1-B for periods prior to the separation. 2013 Long-Term Incentive Plan Effective August 30, 2013, certain of our employees began to participate in the Murphy USA 2013 Long-Term Incentive Plan, which was subsequently amended and restated effective as of February 12, 2014 (the “MUSA 2013 Plan”). The MUSA 2013 Plan authorizes the Executive Compensation Committee of our Board of Directors (“the Committee”) to grant non-qualified or incentive stock options, stock appreciation rights, stock awards (including restricted stock and restricted stock unit awards), cash awards, and performance awards to our employees. Prior to the amendment and restatement of the MUSA 2013 Plan on February 12, 2014, 10 million shares of MUSA common stock were authorized to be delivered under the MUSA 2013 Plan over the life of the plan. Pursuant to the amendment and restatement of the plan effective as of February 12, 2014, this was reduced to 5.5 million shares of common stock. No more than 1 million shares of common stock may be awarded to any one employee, subject to adjustment for changes in capitalization. The maximum cash amount payable pursuant to any “performance-based” award to any participant in any calendar year is $5 million . In connection with the separation, stock compensation awards granted under the 2007 Plan and the 2012 Plan by Murphy Oil (pre-separation awards) were adjusted or substituted as follows: • Vested stock options were equitably adjusted so that the grantee holds more options to purchase Murphy Oil common stock at a lower strike price. • Unvested stock options and stock appreciation rights held by MUSA employees were replaced with substitute awards of options to purchase shares of MUSA common stock. • Unvested restricted stock units will be replaced with adjusted, substitute awards for restricted stock units of MUSA common stock. The new awards of restricted stock are intended to generally preserve the intrinsic value of the original award determined as of the separation and distribution date. • Vesting periods of awards were unaffected by the adjustment and substitution, except that for vested Murphy Oil stock options the MUSA employees have until the earlier of two years from the date of the separation or the stated expiration date of the option to exercise the award. Awards granted in connection with the adjustment and substitution of awards originally issued under the 2007 Plan and the 2012 Plan are a part of the MUSA 2013 Plan and reduce the maximum number of shares of common stock available for delivery under the MUSA 2013 Plan. During the period from August 30, 2013 to December 31, 2015, the Company granted a total of 1,563,828 awards from the MUSA 2013 Plan which leaves 4,074,288 remaining shares to be granted in future years (after consideration of the amendments made to the MUSA 2013 Plan in February 2014 by the Board of Directors). At present, the Company expects to issue all shares that vest out of existing treasury shares rather than issuing new common shares. 2013 Stock Plan for Non-employee Directors Effective August 8, 2013, Murphy USA adopted the 2013 Murphy USA Stock Plan for Non-employee Directors (the “Directors Plan”). The directors for Murphy USA are compensated with a mixture of cash payments and equity-based awards. Awards under the Directors Plan may be in the form of restricted stock, restricted stock units, stock options, or a combination thereof. An aggregate of 500,000 shares of common stock shall be available for issuance of grants under the Directors Plan. Since 2013, 63,774 time-based restricted stock units have been granted under the terms of the Directors Plan which leaves 436,226 shares available to be granted in the future. Amounts recognized in the financial statements by the Company with respect to all share-based plans are shown in the following table. All expense prior to August 30, 2013 was incurred under the 2007 Plan and the 2012 Plan while all amounts after August 30, 2013 were incurred in the MUSA 2013 Plan and the Directors Plan. December 31, (Thousands of dollars) 2015 2014 2013 Compensation charged against income before income tax benefit $ 9,015 $ 10,435 $ 9,391 Related income tax benefit recognized in income $ 3,155 $ 3,652 $ 3,287 As of December 31, 2015 , there was $12,934,000 in compensation costs to be expensed over approximately the next 2.3 years related to unvested share-based compensation arrangements granted by the Company or its predecessor. Total income tax benefits realized by Murphy Oil from tax deductions related to stock option exercises under share-based payment arrangements previously issued by Murphy Oil Corporation were $0 , $0 , and $625,000 for the years ended December 31, 2015 , 2014 and 2013 , respectively. Employees who have stock options are required to net settle their options in shares, after applicable statutory withholding taxes are considered, upon each stock option exercise. Therefore, no cash is received upon exercise. Total income tax benefits realized from tax deductions related to stock option exercises under share-based payment arrangements were $3,109,000 and $470,000 for the year ended December 31, 2015 and 2014 , respectively. STOCK OPTIONS – The Committee fixes the option price of each option granted at no less than fair market value (FMV) on the date of the grant and fixes the option term at no more than 7 years from such date. Each option granted through December 31, 2013 under the MUSA 2013 Plan was nonqualified and was issued to replace awards of Murphy Oil that were previously granted to employees of the Company prior to the separation from Murphy Oil. The remaining term of each option granted mirrored the remaining term of the original award that it replaced and the exercise price was adjusted based on the terms of the Employee Matters Agreement entered into between the Company and Murphy Oil in connection with the separation. Post separation in 2013, the only awards issued were to replace the unvested awards of Murphy Oil that were forfeited in conjunction with the separation. Therefore, the accounting for those awards was a continuation of the Murphy Oil fair value that was previously calculated using the Black-Scholes pricing model and used the following original assumptions to calculate the fair value used for expense purposes. Following are the assumptions used originally by Murphy Oil to value the original awards. Years Ended December 31, 2012 and 2011 Fair value per option grant 12.37 - 20.34 Assumptions Dividend yield 1.80% - 2.27% Expected volatility 37.00% - 39.62% Risk-free interest rate 0.55% - 2.10% Expected life 4.00 yrs. - 5.20 yrs. As a result of the separation from Murphy Oil, the unvested Murphy Oil options were replaced with an appropriate number of Company options bearing an exercise price that was adjusted to preserve the intrinsic value near the date of the separation in connection with the terms of the Employee Matters Agreement. The grant date fair values of the options replaced with MUSA 2013 Plan awards range from $32.53 to $40.25 . Because of these adjustments, no further Black-Scholes fair values were required to be calculated for the post separation period. The adjustment and substitution of the stock compensation awards occurred in conjunction with the distribution of MUSA common stock to Murphy Oil stockholders. As a result, no grant, exercise, or cancellation activity occurred on MUSA stock compensation awards during the year ended December 31, 2013. In February 2015 , the Committee granted nonqualified stock options to certain employees of the Company. Following are the assumptions used by the Company to value the original awards: Year Ended December 31, 2015 2014 Fair value per option grant $ 20.18 $ 11.44 Assumptions Dividend yield — — Expected volatility 29.3 % 31.7 % Risk-free interest rate 1.52 % 1.37 % Expected life 5.0 years 4.6 years Changes in options outstanding for Company employees during the period from August 30, 2013 to December 31, 2015 are presented in the following table: Number of Shares Average Exercise Price Outstanding at December 31, 2013 621,149 $ 35.13 Granted at FMV 127,400 39.46 Exercised (74,766 ) 34.21 Forfeited (13,148 ) 38.36 Outstanding at December 31, 2014 660,635 36.00 Granted at FMV 72,350 70.57 Exercised (236,620 ) 33.80 Forfeited (30,609 ) 40.21 Outstanding at December 31, 2015 465,756 $ 42.22 Exercisable at December 31, 2014 88,445 $ 34.54 Exercisable at December 31, 2015 127,077 $ 36.71 Additional information about stock options outstanding at December 31, 2015 is shown below: Options Outstanding Options Exercisable Range of Exercise Prices per Option No. of Options Avg. Life Remaining in Years Aggregate Intrinsic Value No. of Options Avg. Life Remaining in Years Aggregate Intrinsic Value $32.53 to $37.06 171,592 3.9 $ 4,614,797 62,213 3.5 $ 1,707,361 $37.07 to $39.45 5,615 2.0 132,891 5,615 2.0 132,891 $39.46 to $40.25 218,899 4.6 4,564,023 59,249 4.1 1,213,745 $40.26 to $70.57 69,650 6.1 — — 0.0 — 465,756 4.5 $ 9,311,711 127,077 3.7 $ 3,053,997 RESTRICTED STOCK UNITS (MUSA 2013 Plan) – The Committee has granted time based restricted stock units (RSUs) as part of the replacement of previously unvested performance based RSUs, performance units, and time based RSU’s previously issued to employees of Murphy Oil prior to August 30, 2013. In addition, certain other employees have also received grants of time based RSUs that will vest over various periods of time in the year ended December 31, 2015 . In February and March 2015 , the Committee granted time based restricted stock to certain employees. These awards were granted under the MUSA 2013 Plan and vest in 3 years . (Number of units) Employee RSU's Outstanding at December 31, 2012 — Granted 352,522 Vested and issued (509 ) Forfeited (4,915 ) Outstanding at December 31, 2013 347,098 Granted 93,025 Vested and issued (20,680 ) Forfeited (22,428 ) Outstanding at December 31, 2014 397,015 Granted 55,450 Vested and issued (66,116 ) Forfeited (30,049 ) Outstanding at December 31, 2015 356,300 PERFORMANCE-BASED RESTRICTED STOCK UNITS (MUSA 2013 Plan) – In February 2015 , the Committee awarded performance-based restricted stock units (performance units) to certain employees. Half of the performance units vest based on a 3 -year return on average capital employed (ROACE) calculation and the other half vest based on a 3 -year total shareholder return (TSR) calculation that compares MUSA to a group of 16 peer companies. The portion of the awards that vest based on TSR qualify as a market condition and must be valued using a Monte Carlo valuation model. For the TSR portion of the awards, the fair value was determined to be $100.33 per unit. For the ROACE portion of the awards, the valuation was based on the grant date fair value of $70.57 per unit and the number of awards will be periodically assessed to determine the probability of vesting. (Number of units) Employee PSU's Outstanding at December 31, 2013 — Granted 78,500 Vested and issued — Forfeited (6,500 ) Outstanding at December 31, 2014 72,000 Granted 40,400 Vested and issued — Forfeited (10,006 ) Outstanding at December 31, 2015 102,394 RESTRICTED STOCK UNITS (Directors Plan) – The Committee has also granted time based RSUs to the non-employee directors of the Company as part of their overall compensation package for being a member of the Board of Directors. These awards typically vest at the end of three years . (Number of units) Director RSU's Outstanding at December 31, 2012 — Granted 28,413 Vested and issued — Forfeited — Outstanding at December 31, 2013 28,413 Granted 22,437 Vested and issued — Forfeited — Outstanding at December 31, 2014 50,850 Granted 12,924 Vested and issued — Forfeited — Outstanding at December 31, 2015 63,774

Employee and Retiree Benefit Pl

Employee and Retiree Benefit Plans	12 Months Ended
	Dec. 31, 2015
Compensation and Retirement Disclosure [Abstract]
Employee and Retiree Benefit Plans	Employee and Retiree Benefit Plans PENSION AND POSTRETIREMENT PLANS — After separating from Murphy Oil, the Company no longer sponsors or participates in any defined benefit pension plan or post retirement benefit plan for its employees. Prior to the separation, Murphy Oil had defined benefit pension plans that were principally noncontributory and covered most full-time employees. Upon separation from Murphy Oil, all amounts for these plans that involved Murphy USA employees were frozen and retained by Murphy Oil. U.S. Health Care Reform — In March 2010, the United States Congress enacted a health care reform law. Along with other provisions, the law (a) imposes a 40% excise tax on high-cost health plans as defined in the law beginning in 2018; (b) eliminated lifetime or annual coverage limits and required coverage for preventative health services beginning in September 2010; and (c) imposed a fee of $2 (subsequently adjusted for inflation) for each person covered by a health insurance policy beginning in September 2010. The new law did not significantly affect the Company’s consolidated and combined financial statements as of December 31, 2015 and 2014 and for the three years ended December 31, 2015 . The Company continues to evaluate the various components of the law as guidance is issued and cannot predict with certainty all the ways it may impact the Company. However, based on the evaluation performed to date, the Company currently believes that the health care reform law will not have a material effect on its financial condition, results of operations, or cash flows in future periods. THRIFT PLAN – At the time of the spin-off, Murphy USA set up a new qualified defined contribution plan for full-time employees with an asset transfer from the Murphy Oil defined contribution plan. Most full-time employees of the Company may participate in savings plans by contributing up to a specified percentage of their base pay. The Company matches contributions at 100% of each employee’s contribution with a maximum match of 6% . In addition, the Company makes profit sharing contributions on an annual basis. Eligible employees receive a stated percentage of their base and incentive pay of 5% , 7% , or 9% determined on a formula that is based on a combination of age and years of service. The Company’s expenses related to this plan were $9,216,000 in 2015 , $8,879,000 in 2014 and $4,567,000 in 2013 . PROFIT SHARING PLAN – Eligible part-time employees may participate in the Company’s noncontributory profit sharing plan. Each year, the Company may make a discretionary employer contribution in an amount determined and authorized at the discretion of the Board of Directors. Eligible employees receive an allocation based on their compensation earned for the year the contribution is allocated. The Company’s expenses related to this plan were $1,848,000 in 2015 , $1,848,000 in 2014 and $1,861,000 in 2013 .

Financial Instruments and Risk

Financial Instruments and Risk Management	12 Months Ended
	Dec. 31, 2015
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Financial Instruments and Risk Management	Financial Instruments and Risk Management DERIVATIVE INSTRUMENTS — The Company makes limited use of derivative instruments to manage certain risks related to commodity prices. The use of derivative instruments for risk management is covered by operating policies and is closely monitored by the Company’s senior management. The Company does not hold any derivatives for speculative purposes and it does not use derivatives with leveraged or complex features. Derivative instruments are traded primarily with creditworthy major financial institutions or over national exchanges such as the New York Mercantile Exchange (“NYMEX”). As of December 31, 2015 , all current derivative activity is immaterial. At December 31, 2015 and 2014 cash deposits of $1.6 million and $2.8 million , respectively, related to commodity derivative contracts were reported in Prepaid expenses and other current assets in the Consolidated Balance Sheets. These cash deposits have not been used to reduce the reported net liabilities on the derivative contracts at December 31, 2015 and 2014 .

Earnings Per Share

Earnings Per Share	12 Months Ended
	Dec. 31, 2015
Earnings Per Share [Abstract]
Earnings Per Share	Earnings Per Share Basic earnings per common share is computed by dividing net income available to common stockholders by the weighted average of common shares outstanding during the period. Diluted earnings per common share adjusts basic earnings per common share for the effects of stock options and restricted stock in the periods where such items are dilutive. On August 30, 2013, 46,743,316 shares of our common stock were distributed to the shareholders of Murphy Oil in connection with the separation. For comparative purposes, we have assumed this amount to be outstanding as of the beginning of each prior period prior to the separation presented in the calculation of weighted average shares outstanding. During May 2014, the Company executed a share repurchase program that was approved by the Board of Directors for approximately $50 million worth of common stock of the Company. At the completion of this plan, the Company had acquired 1,040,636 shares of common stock for an average price of $48.07 per share including brokerage fees. In October 2014, the Company announced a $250 million share repurchase program that was completed prior to the end of 2015. In this repurchase, 4,196,349 shares were repurchased for an average price of $59.58 per share. The following table provides a reconciliation of basic and diluted earnings per share computations for the years ended December 31, 2015 , 2014 and 2013 (in thousands, except per share amounts): Years ended December 31, (Thousands of dollars except per share amounts) 2015 2014 2013 Earnings per common share: Net income (loss) per share - basic Income from continuing operations $ 137,591 $ 222,960 $ 154,135 Income from discontinued operations $ 38,749 $ 20,903 $ 80,898 Net income attributable to common stockholders $ 176,340 $ 243,863 $ 235,033 Weighted average common shares outstanding (in thousands) 43,434 46,104 46,743 Earnings per share: Continuing operations $ 3.17 $ 4.84 $ 3.30 Discontinued operations $ 0.89 $ 0.45 $ 1.73 Total earnings per share $ 4.06 $ 5.29 $ 5.03 Earnings per common share - assuming dilution: Years ended December 31, 2015 2014 2013 Net income (loss) per share - diluted Income from continuing operations $ 137,591 $ 222,960 $ 154,135 Income from discontinued operations $ 38,749 $ 20,903 $ 80,898 Net income attributable to common stockholders $ 176,340 $ 243,863 $ 235,033 Weighted average common shares outstanding (in thousands) 43,434 46,104 46,743 Common equivalent shares: Dilutive options 360 313 115 Weighted average common shares outstanding - assuming dilution (in thousands) 43,794 46,417 46,858 Earnings per share: Continuing operations $ 3.14 $ 4.81 $ 3.29 Discontinued operations $ 0.88 $ 0.45 $ 1.73 Earnings per share - assuming dilution $ 4.02 $ 5.26 $ 5.02

Other Financial Information

Other Financial Information	12 Months Ended
	Dec. 31, 2015
Other Financial Information [Abstract]
Other Financial Information	Other Financial Information OTHER OPERATING REVENUES – Other operating revenues in the Consolidated and Combined Income Statements includes the following items: (Thousands of dollars) 2015 2014 2013 Renewable Identification Numbers (RINs) sales $ 117,513 $ 92,916 $ 91,391 Other 3,321 3,193 2,907 Total other operating revenue $ 120,834 $ 96,109 $ 94,298 CASH FLOW DISCLOSURES — Cash income taxes paid (collected), net of refunds, were $113,520,000 , $158,063,000 and $47,757,000 for the three years ended December 31, 2015 , 2014 and 2013 , respectively. Interest paid was $31,798,000 , $34,019,000 and $1,647,000 for the years ended December 31, 2015 , 2014 and 2013 , respectively. Noncash reductions (additions) to net parent investment related primarily to settlement of income taxes were $453,000 for the year ended December 31, 2013. (Thousands of dollars) 2015 2014 2013 Accounts receivable $ 2,857 $ 59,519 $ 325,063 Inventories 1,121 750 4,011 Prepaid expenses and other current assets (27,107 ) 477 (7,755 ) Accounts payable and accrued liabilities 1,043 (53,234 ) (271,379 ) Income taxes payable (25,599 ) (37,325 ) 6,892 Current deferred income tax liabilities 1,099 (6,662 ) (5,628 ) Net decrease (increase) in noncash operating working capital $ (46,586 ) $ (36,475 ) $ 51,204

Assets and Liabilities Measure

Assets and Liabilities Measure at Fair Value	12 Months Ended
	Dec. 31, 2015
Fair Value Disclosures [Abstract]
Assets and Liabilities Measure at Fair Value	Assets and Liabilities Measured at Fair Value The Company carries certain assets and liabilities at fair value in its Consolidated Balance Sheets. The fair value hierarchy is based on the quality of inputs used to measure fair value, with Level 1 being the highest quality and Level 3 being the lowest quality. Level 1 inputs are quoted prices in active markets for identical assets or liabilities. Level 2 inputs are observable inputs other than quoted prices included within Level 1. Level 3 inputs are unobservable inputs which reflect assumptions about pricing by market participants. At the balance sheet date the fair value of derivatives contracts were determined using NYMEX quoted values but were immaterial. The carrying value of the Company’s Cash and cash equivalents, Accounts receivable-trade and Trade accounts payable approximates fair value. The following table presents the carrying amounts and estimated fair values of financial instruments held by the Company at December 31, 2015 and 2014 . The fair value of a financial instrument is the amount at which the instrument could be exchanged in a current transaction between willing parties. The table excludes Cash and cash equivalents, Accounts receivable-trade, and Trade accounts payable and accrued liabilities, all of which had fair values approximating carrying amounts. The fair value of Current and Long-term debt was estimated based on rates offered to the Company at that time for debt of the same maturities. The Company has off-balance sheet exposures relating to certain financial guarantees and letters of credit. The fair value of these, which represents fees associated with obtaining the instruments, was nominal. December 31, 2015 December 31, 2014 Carrying Carrying (Thousands of dollars) Amount Fair Value Amount Fair Value Financial liabilities Current and long-term debt $ (490,382 ) $ (511,916 ) $ (488,250 ) $ (510,344 )

Commitments

Commitments	12 Months Ended
	Dec. 31, 2015
Commitments and Contingencies Disclosure [Abstract]
Commitments	Commitments The Company leases land, gasoline stations, and other facilities under operating leases. During the next five years, expected future rental payments under all operating leases are approximately $23,642,000 in 2016 , $10,079,000 in 2017 , $9,658,000 in 2018 , $9,704,000 in 2019 , and $9,519,000 in 2020 . Rental expense for noncancelable operating leases, including contingent payments when applicable, was $22,418,000 in 2015 , $8,528,000 in 2014 and $7,139,000 in 2013 . Operating lease expense related to discontinued operations was $2,660,000 , $2,905,000 , and $9,641,000 in 2015 , 2014 , and 2013 , respectively. Commitments for capital expenditures were approximately $220,630,000 at December 31, 2015 , including $179,900,000 for construction of future Murphy USA and Murphy Express gasoline stations (including land) in process at year-end, along with $6,052,000 for improvements of existing stations, to be financed with our operating cash flow and/or incurrence of indebtedness.

Contingencies

Contingencies	12 Months Ended
	Dec. 31, 2015
Commitments and Contingencies Disclosure [Abstract]
Contingencies	Contingencies The Company’s operations and earnings have been and may be affected by various forms of governmental action. Examples of such governmental action include, but are by no means limited to: tax increases and retroactive tax claims; import and export controls; price controls; allocation of supplies of crude oil and petroleum products and other goods; laws and regulations intended for the promotion of safety and the protection and/or remediation of the environment; governmental support for other forms of energy; and laws and regulations affecting the Company’s relationships with employees, suppliers, customers, stockholders and others. Because governmental actions are often motivated by political considerations, may be taken without full consideration of their consequences, and may be taken in response to actions of other governments, it is not practical to attempt to predict the likelihood of such actions, the form the actions may take or the effect such actions may have on the Company. ENVIRONMENTAL MATTERS AND LEGAL MATTERS — Murphy USA is subject to numerous federal, state and local laws and regulations dealing with the environment. Violation of such environmental laws, regulations and permits can result in the imposition of significant civil and criminal penalties, injunctions and other sanctions. A discharge of hazardous substances into the environment could, to the extent such event is not insured, subject the Company to substantial expense, including both the cost to comply with applicable regulations and claims by neighboring landowners and other third parties for any personal injury, property damage and other losses that might result. The Company currently owns or leases, and has in the past owned or leased, properties at which hazardous substances have been or are being handled. Although the Company believes it has used operating and disposal practices that were standard in the industry at the time, hazardous substances may have been disposed of or released on or under the properties owned or leased by the Company or on or under other locations where they have been taken for disposal. In addition, many of these properties have been operated by third parties whose management of hazardous substances was not under the Company’s control. Under existing laws the Company could be required to remediate contaminated property (including contaminated groundwater) or to perform remedial actions to prevent future contamination. Certain of these contaminated properties are in various stages of negotiation, investigation, and/or cleanup, and the Company is investigating the extent of any related liability and the availability of applicable defenses. With the sale of the U.S. refineries in 2011, Murphy Oil retained certain liabilities related to environmental matters. Murphy Oil also obtained insurance covering certain levels of environmental exposures. With respect to the previously owned refinery properties, Murphy Oil retained those liabilities in the Separation and Distribution agreement that was entered into related to the separation on August 30, 2013. With respect to any remaining potential liabilities, the Company believes costs related to these sites will not have a material adverse effect on Murphy USA’s net income, financial condition or liquidity in a future period. Certain environmental expenditures are likely to be recovered by the Company from other sources, primarily environmental funds maintained by certain states. Since no assurance can be given that future recoveries from other sources will occur, the Company has not recorded a benefit for likely recoveries at December 31, 2015 , however certain jurisdictions provide reimbursement for these expenses which have been considered in recording the net exposure. The U.S. Environmental Protection Agency (EPA) currently considers the Company a Potentially Responsible Party (PRP) at one Superfund site. As to the site, the potential total cost to all parties to perform necessary remedial work at this site may be substantial. However, based on current negotiations and available information, the Company believes that it is a de minimis party as to ultimate responsibility at the Superfund site. Accordingly, the Company has not recorded a liability for remedial costs at the Superfund site at December 31, 2015 . The Company could be required to bear a pro rata share of costs attributable to nonparticipating PRPs or could be assigned additional responsibility for remediation at this site or other Superfund sites. The Company believes that its share of the ultimate costs to clean-up this site will be immaterial and will not have a material adverse effect on its net income, financial condition or liquidity in a future period. Based on information currently available to the Company, the amount of future remediation costs to be incurred to address known contamination sites is not expected to have a material adverse effect on the Company’s future net income, cash flows or liquidity. However, there is the possibility that additional environmental expenditures could be required to address contamination, including as a result of discovering additional contamination or the imposition of new or revised requirements applicable to known contamination. In the case Freeny v. Murphy Oil Corporation and Murphy Oil USA, Inc. , the plaintiffs alleged that the Company had infringed on their electronic pricing system patents. The Company claimed that its pricing system can be differentiated from the plaintiff's patents and that the plaintiff's patents were invallid. Murphy Oil USA, Inc. agreed to defend and indemnify Murphy Oil Corporation in this matter as required by the terms of the Separation Agreement. Trial was held in June 2015. At trial, and before any judgment was entered for any party, a settlement was reached between the parties and the case was dismissed. The settlement agreement resulted in the Company paying an immaterial amount to the plaintiffs for a license to use their patents for past and future periods . As a result, a portion of the settlement amount was capitalized as a patent asset and will be amortized over the remaining life of the patents. Murphy USA is engaged in a number of other legal proceedings, all of which the Company considers routine and incidental to its business. Based on information currently available to the Company, the ultimate resolution of those other legal matters is not expected to have a material adverse effect on the Company’s net income, financial condition or liquidity in a future period. INSURANCE — The Company maintains insurance coverage at levels that are customary and consistent with industry standards for companies of similar size. Murphy USA maintains statutory workers compensation insurance with a deductible of $1.0 million per occurrence. As of December 31, 2015 , there were a number of outstanding claims that are of a routine nature. The estimated incurred but unpaid liabilities relating to these claims are included in Trade account payables and accrued liabilities on the Consolidated Balance Sheets. While the ultimate outcome of these claims cannot presently be determined, management believes that the accrued liability of $18.0 million will be sufficient to cover the related liability and that the ultimate disposition of these claims will have no material effect on the Company’s financial position and results of operations. The Company has obtained insurance coverage as appropriate for the business in which it is engaged, but may incur losses that are not covered by insurance or reserves, in whole or in part, and such losses could adversely affect our results of operations and financial position. TAX MATTERS — Murphy USA is subject to extensive tax liabilities imposed by multiple jurisdictions, including income taxes, indirect taxes (excise/duty, sales/use and gross receipts taxes), payroll taxes, franchise taxes, withholding taxes and ad valorem taxes. New tax laws and regulations and changes in existing tax laws and regulations are continuously being enacted or proposed that could result in increased expenditures for tax liabilities in the future. Many of these liabilities are subject to periodic audits by the respective taxing authority. Subsequent changes to our tax liabilities because of these audits may subject us to interest and penalties. OTHER MATTERS — In the normal course of its business, the Company is required under certain contracts with various governmental authorities and others to provide financial guarantees or letters of credit that may be drawn upon if the Company fails to perform under those contracts. At December 31, 2015 , the Company had contingent liabilities of $17.8 million on outstanding letters of credit. The Company has not accrued a liability in its balance sheet related to these financial guarantees and letters of credit because it is believed that the likelihood of having these drawn is remote.

Recent Accounting and Reporting

Recent Accounting and Reporting Rules	12 Months Ended
	Dec. 31, 2015
New Accounting Pronouncements and Changes in Accounting Principles [Abstract]
Recent Accounting and Reporting Rules	Recent Accounting and Reporting Rules In May 2014, the FASB issued ASU No. 2014-09 “Revenue from Contracts with Customers,” which supersedes the revenue recognition requirements in the Accounting Standards Codification (“Codification”) Topic 605, Revenue Recognition, and most industry-specific guidance throughout the Industry Topics of the Codification. The core principle of the new ASU No. 2014-09 is for companies to recognize revenue from the transfer of goods or services to customers in amounts that reflect the consideration to which the company expects to be entitled in exchange for those goods or services. The new standard also will result in enhanced disclosures about revenue, provide guidance for transactions that were not previously addressed comprehensively (for example, service revenue and contract modifications) and improve guidance for multiple-element arrangements. The guidance is effective for annual and interim periods beginning after December 15, 2017, with early adoption prohibited. The Company expects to adopt ASU No. 2014-09 beginning January 1, 2018 and is in the process of assessing the impact that the new guidance will have on the Company's results of operations, financial condition and disclosures. In August 2014, the FASB issued ASU No. 2014-15, “Disclosure of Uncertainties about an Entity's Ability to Continue as a Going Concern,” which requires management to assess, at each interim and annual reporting period, whether substantial doubt exists about the Company's ability to continue as a going concern. The new standard substantially aligns the accounting requirements with current auditing requirements (except that the auditing standards require a one-year assessment from the balance sheet date rather than the financial statement issuance date). The new standard is effective for all entities for the first annual period ending after December 15, 2016, and interim periods thereafter, with early adoption permitted. In April 2015, the FASB issued ASU No. 2015-05, “Customer's Accounting for Fees Paid in a Cloud Computing Arrangement,” which states if a cloud computing arrangement includes a software license, the customer should account for the license consistent with its accounting for other software licenses. If the arrangement does not include a software license, the customer should account for the arrangement as a service contract. The new guidance is effective for fiscal years, including interim periods within those years, beginning after December 15, 2015. Companies may adopt the new guidance either prospectively for all arrangements entered into (or materially modified) after the effective date, or retrospectively. The Company is still evaluating the impact this standard will have on its cloud computing arrangements but no material changes are expected as a result of adoption of this standard. In November 2015, the FASB issued ASU No. 2015-17, "Balance Sheet Classification of Deferred Taxes," which requires entities with a classified balance sheet to present all deferred tax assets and liabilities as noncurrent. All deferred tax assets and liabilities will still be offset by each tax-paying jurisdiction, but the resulting net item must be shown as a single, noncurrent amount. The ASU allows for either prospective or retrospective transition methods. The new standard is effective for annual and interim periods in fiscal years beginning after December 15, 2016. Early adoption at the beginning of an interim or annual period is allowed for all entities. The Company is evaluating its adoption options and is currently planning to adopt the new standard for the first quarter of 2016. No significant financial impact is anticipated with the adoption of this ASU.

Business Segments

Business Segments	12 Months Ended
	Dec. 31, 2015
Segment Reporting [Abstract]
Business Segments	Business Segments Our operations include the sale of retail motor fuel products and convenience merchandise along with the wholesale and bulk sale capabilities of our product supply and wholesale group. As the primary purpose of the product supply and wholesale group is to support our retail operations and provide fuel for their daily operation, the bulk and wholesale fuel sales are secondary to the support functions played by these groups. As such, they are all treated as one segment for reporting purposes as they sell the same products. This Marketing segment contains essentially all of the revenue generating activities of the Company. Results not included in the reportable segment include Corporate and Other Assets and Discontinued Operations. The reportable segment was determined based on information reviewed by the Chief Operating Decision Maker (CODM). Segment Information Corporate and Discontinued (Thousands of dollars) Marketing Other Assets Operations Consolidated Year ended December 31, 2015 Segment income (loss) $ 159,796 (22,205 ) 38,749 $ 176,340 Revenues from external customers 12,699,125 286 — 12,699,411 Interest income — 2,177 — 2,177 Interest expense (20 ) (33,511 ) — (33,531 ) Income tax expense (benefit) 95,657 (14,959 ) — 80,698 Significant noncash charges (credits) Depreciation and amortization 81,349 5,219 — 86,568 Accretion of asset retirement obligations 1,521 — — 1,521 Deferred and noncurrent income taxes (benefits) 42,593 (2,037 ) — 40,556 Additions to property, plant and equipment 202,371 9,477 3,720 215,568 Total assets at year-end $ 1,727,131 159,110 — $ 1,886,241 Segment Information Corporate and Discontinued (Thousands of dollars) Marketing Other Assets Operations Consolidated Year ended December 31, 2014 Segment income (loss) $ 242,434 (19,474 ) 20,903 $ 243,863 Revenues from external customers 16,985,903 111 — 16,986,014 Interest income — 244 — 244 Interest expense — (36,646 ) — (36,646 ) Income tax expense (benefit) 127,657 (11,271 ) — 116,386 Significant noncash charges (credits) Depreciation and amortization 74,906 4,181 — 79,087 Accretion of asset retirement obligations 1,200 — — 1,200 Deferred and noncurrent income taxes (benefits) 368 (4,771 ) — (4,403 ) Additions to property, plant and equipment 131,139 4,200 3,549 138,888 Total assets at year-end $ 1,544,018 348,991 56,328 $ 1,949,337 Year ended December 31, 2013 Segment income (loss) $ 164,013 (9,878 ) 80,898 $ 235,033 Revenues from external customers 17,814,081 — — 17,814,081 Interest income — 1,099 — 1,099 Interest expense — (14,509 ) — (14,509 ) Income tax expense (benefit) 106,223 (6,164 ) — 100,059 Significant noncash charges (credits) Depreciation and amortization 71,253 2,800 — 74,053 Accretion of asset retirement obligations 1,096 — — 1,096 Deferred and noncurrent income taxes (benefits) (9,796 ) (1,772 ) — (11,568 ) Additions to property, plant and equipment 162,051 8,169 1,752 171,972 Total assets at year-end $ 1,527,125 320,281 41,158 $ 1,888,564

Subsequent Events (unaudited)

Subsequent Events (unaudited)	12 Months Ended
	Dec. 31, 2015
Subsequent Events [Abstract]
Subsequent Events (unaudited)	Subsequent Events (unaudited) On January 25, 2016, the Company announced that it would proceed with an independent growth plan apart from Walmart rather than continue to acquire land from Walmart. In conjunction with this announcement, the Board of Directors approved a strategic allocation of capital for the Company to pursue new additional growth opportunities and to undertake a share repurchase program of the Company's common stock. The Board authorized up to $500 million in total for the two capital programs through December 31, 2017. On February 3, 2016, the Company announced that it had recently entered into an agreement with an undisclosed investment-grade buyer for the sale of the Company's interest in the CAM pipeline system for approximately $85 million , less customary closing costs. The CAM pipeline transports crude oil from the Louisiana Offshore Oil Port (LOOP) to 3 Gulf Coast refineries. This transaction is expected to close sometime in the first half of 2016, subject to customary closing conditions and regulatory approvals. On February 5, 2016, the Company entered into a Term Credit Agreement to secure a term loan in the aggregate principal amount of $100 million . The term loan has 2 options to calculate interest due and the Company has elected to utilize the LIBOR option which bears interest at a rate per annum equal to LIBOR plus 3.00% . The loan will amortize in quarterly installments starting with June 30, 2016 at a rate of 5.0% per quarter. Other terms and covenants can be found in the Current Report on Form 8-K filed with the SEC on February 9, 2016.

Guarantor Subsidiaries

Guarantor Subsidiaries	12 Months Ended
	Dec. 31, 2015
Guarantor Subsidiaries [Abstract]
Guarantor Subsidiaries	Guarantor Subsidiaries Certain of the Company’s 100% owned, domestic subsidiaries (the “Guarantor Subsidiaries”) fully and unconditionally guarantee, on a joint and several basis, certain of the outstanding indebtedness of the Company, including the 6.00% senior notes due 2023. The following consolidating and/or combining schedules present financial information on a consolidated and combined basis in conformity with the SEC’s Regulation S-X Rule 3-10(d): CONSOLIDATING BALANCE SHEET (Thousands of dollars) December 31, 2015 Assets Parent Company Issuer Guarantor Subsidiaries Non-Guarantor Subsidiaries Eliminations Consolidated Current assets Cash and cash equivalents $ — $ 102,335 $ — $ — $ — $ 102,335 Accounts receivable—trade, less allowance for doubtful accounts of $1,963 in 2015 — 136,253 — — — 136,253 Inventories, at lower of cost or market — 155,906 — — — 155,906 Prepaid expenses and other current assets — 41,173 — — — 41,173 Current assets held for sale — — — — — — Total current assets — 435,667 — — — 435,667 Property, plant and equipment, at cost less accumulated depreciation and amortization of $724,486 in 2015 — 1,369,318 — — — 1,369,318 Restricted cash — 68,571 — — — 68,571 Investments in subsidiaries 1,756,617 144,921 — — (1,901,538 ) — Other assets — 12,685 — — — 12,685 Deferred tax assets — — — — — — Noncurrent assets held for sale — — — — — — Total assets $ 1,756,617 $ 2,031,162 $ — $ — $ (1,901,538 ) $ 1,886,241 Liabilities and Stockholders' Equity Current liabilities Current maturities of long-term debt $ — $ 222 $ — $ — $ — $ 222 Inter-company accounts payable 300,044 (93,644 ) (52,062 ) (154,338 ) — — Trade accounts payable and accrued liabilities — 390,341 — — — 390,341 Income taxes payable — — — — — — Deferred income taxes — 1,729 — — — 1,729 Current liabilities held for sale — — — — — — Total current liabilities 300,044 298,648 (52,062 ) (154,338 ) — 392,292 Long-term debt, including capitalized lease obligations — 490,160 — — — 490,160 Deferred income taxes — 161,236 — — — 161,236 Asset retirement obligations — 24,345 — — — 24,345 Deferred credits and other liabilities — 25,918 — — — 25,918 Total liabilities 300,044 1,000,307 (52,062 ) (154,338 ) — 1,093,951 Stockholders' Equity Preferred Stock, par $0.01 (authorized 20,000,000 shares, none outstanding) — — — — — — Common Stock, par $0.01 (authorized 200,000,000 shares, 46,767,164 shares issued at December 31, 2015) 468 1 60 — (61 ) 468 Treasury stock (5,088,434 shares held at December 31, 2015) (294,139 ) — — — — (294,139 ) Additional paid in capital (APIC) 1,222,465 564,554 52,004 87,543 (1,368,384 ) 558,182 Retained earnings 527,779 466,300 (2 ) 66,795 (533,093 ) 527,779 Total stockholders' equity 1,456,573 1,030,855 52,062 154,338 (1,901,538 ) 792,290 Total liabilities and stockholders' equity $ 1,756,617 $ 2,031,162 $ — $ — $ (1,901,538 ) $ 1,886,241 CONSOLIDATING BALANCE SHEET (Thousands of dollars) December 31, 2014 Assets Parent Company Issuer Guarantor Subsidiaries Non-Guarantor Subsidiaries Eliminations Consolidated Current assets Cash and cash equivalents $ — $ 327,163 $ — $ — $ — $ 327,163 Accounts receivable—trade, less allowance for doubtful accounts of $4,456 in 2013 — 138,466 — — — 138,466 Inventories, at lower of cost or market — 157,046 — — — 157,046 Prepaid expenses and other current assets — 11,710 — — — 11,710 Current assets held for sale — — — 56,328 — 56,328 Total current assets — 634,385 — 56,328 — 690,713 Property, plant and equipment, at cost less accumulated depreciation and amortization of $663,067 in 2014 — 1,248,081 — — — 1,248,081 Investments in subsidiaries 1,580,277 177,263 — — (1,757,540 ) — Other assets — 10,543 — — — 10,543 Deferred tax assets — — — — — — Noncurrent assets held for sale — — — — — — Total assets $ 1,580,277 $ 2,070,272 $ — $ 56,328 $ (1,757,540 ) $ 1,949,337 Liabilities and Stockholders' Equity Current liabilities Current maturities of long-term debt $ — $ — $ — $ — $ — $ — Inter-company accounts payable 51,348 82,528 (52,077 ) (81,799 ) — — Trade accounts payable and accrued liabilities — 381,271 — — — 381,271 Income taxes payable — 18,348 14 — — 18,362 Deferred income taxes — 522 — — — 522 Current liabilities held for sale — — — 12,925 — 12,925 Total current liabilities 51,348 482,669 (52,063 ) (68,874 ) — 413,080 Long-term debt, including capitalized lease obligations — 488,250 — — — 488,250 Deferred income taxes — 137,882 — — — 137,882 Asset retirement obligations — 22,245 — — — 22,245 Deferred credits and other liabilities — 29,175 — — — 29,175 Total liabilities 51,348 1,160,221 (52,063 ) (68,874 ) — 1,090,632 Stockholders' Equity Preferred Stock, par $0.01 (authorized 20,000,000 shares, none outstanding) — — — — — — Common Stock, par $0.01 (authorized 200,000,000 shares, 46,767,164 shares issued at December 31, 2014) 468 1 60 — (61 ) 468 Treasury stock (1,056,689 shares held at December 31, 2014) (51,073 ) — — — — (51,073 ) Additional paid in capital (APIC) 1,228,095 558,611 52,004 35,677 (1,316,516 ) 557,871 Retained earnings 351,439 351,439 (1 ) 89,525 (440,963 ) 351,439 Total stockholders' equity 1,528,929 910,051 52,063 125,202 (1,757,540 ) 858,705 Total liabilities and stockholders' equity $ 1,580,277 $ 2,070,272 $ — $ 56,328 $ (1,757,540 ) $ 1,949,337 CONSOLIDATING INCOME STATEMENT (Thousands of dollars) Year ended December 31, 2015 Revenues Parent Company Issuer Guarantor Subsidiaries Non-Guarantor Subsidiaries Eliminations Consolidated and Combined Petroleum product sales $ — $ 10,424,855 $ — $ — $ (120,166 ) $ 10,304,689 Merchandise sales — 2,273,888 — — — 2,273,888 Other operating revenues — 120,834 — — — 120,834 Total revenues — 12,819,577 — — (120,166 ) 12,699,411 Costs and operating expenses Petroleum product cost of goods sold — 9,914,641 — — (120,166 ) 9,794,475 Merchandise cost of goods sold — 1,946,423 — — — 1,946,423 Station and other operating expenses — 486,383 — — — 486,383 Depreciation and amortization — 86,568 — — — 86,568 Selling, general and administrative — 129,276 1 — — 129,277 Accretion of asset retirement obligations — 1,521 — — — 1,521 Total costs and operating expenses — 12,564,812 1 — (120,166 ) 12,444,647 Income (loss) from operations — 254,765 (1 ) — — 254,764 Other income (expense) Interest income — 2,177 — — — 2,177 Interest expense — (33,531 ) — — — (33,531 ) Loss on sale of assets — (4,658 ) — — — (4,658 ) Other nonoperating expense — (463 ) — — — (463 ) Total other income (expense) — (36,475 ) — — — (36,475 ) Income (loss) from continuing operations before income taxes — 218,290 (1 ) — — 218,289 Income tax expense — 80,698 — — — 80,698 Income (loss) from continuing operations — 137,592 (1 ) — — 137,591 Income from discontinued operations, net of income taxes — — — 38,749 — 38,749 Equity earnings in affiliates, net of tax 176,340 (22,731 ) — (61,479 ) (92,130 ) — Net Income (Loss) $ 176,340 $ 114,861 $ (1 ) $ (22,730 ) $ (92,130 ) $ 176,340 CONSOLIDATING INCOME STATEMENT (Thousands of dollars) Year ended December 31, 2014 Revenues Parent Company Issuer Guarantor Subsidiaries Non-Guarantor Subsidiaries Eliminations Consolidated and Combined Petroleum product sales $ — $ 14,911,658 $ — $ — $ (183,131 ) $ 14,728,527 Merchandise sales — 2,161,378 — — — 2,161,378 Other operating revenues — 96,109 — — — 96,109 Total revenues — 17,169,145 — — (183,131 ) 16,986,014 Costs and operating expenses Petroleum product cost of goods sold — 14,257,710 — — (183,131 ) 14,074,579 Merchandise cost of goods sold — 1,859,732 — — — 1,859,732 Station and other operating expenses — 486,762 — — — 486,762 Depreciation and amortization — 79,087 — — — 79,087 Selling, general and administrative — 119,265 1 — — 119,266 Accretion of asset retirement obligations — 1,200 — — — 1,200 Total costs and operating expenses — 16,803,756 1 — (183,131 ) 16,620,626 Income (loss) from operations — 365,389 (1 ) — — 365,388 Other income (expense) Interest income — 244 — — — 244 Interest expense — (36,646 ) — — — (36,646 ) Gain on sale of assets — 194 — — — 194 Other nonoperating income — 10,166 — — — 10,166 Total other income (expense) — (26,042 ) — — — (26,042 ) Income (loss) from continuing operations before income taxes — 339,347 (1 ) — — 339,346 Income tax expense — 116,386 — — — 116,386 Income (loss) from continuing operations — 222,961 (1 ) — — 222,960 Income from discontinued operations, net of income taxes — — — 20,903 — 20,903 Equity earnings in affiliates, net of tax 351,439 89,524 — — (440,963 ) — Net Income (Loss) $ 351,439 $ 312,485 $ (1 ) $ 20,903 $ (440,963 ) $ 243,863 CONSOLIDATED AND COMBINING INCOME STATEMENT (Thousands of dollars) Year ended December 31, 2013 Revenues Issuer Guarantor Subsidiaries Non-Guarantor Subsidiaries Eliminations Combined Petroleum product sales $ 15,766,752 $ — $ — $ (206,435 ) $ 15,560,317 Merchandise sales 2,159,466 — — — 2,159,466 Other operating revenues 94,298 — — — 94,298 Total revenues 18,020,516 — — (206,435 ) 17,814,081 Costs and operating expenses Petroleum product cost of goods sold 15,216,390 — — (206,435 ) 15,009,955 Merchandise cost of goods sold 1,877,630 — — — 1,877,630 Station and other operating expenses 460,476 — — — 460,476 Depreciation and amortization 74,053 — — — 74,053 Selling, general and administrative 129,430 1 — — 129,431 Accretion of asset retirement obligations 1,096 — — — 1,096 Total costs and operating expenses 17,759,075 1 — (206,435 ) 17,552,641 Income (loss) from operations 261,441 (1 ) — — 261,440 Other income (expense) Interest income 1,099 — — — 1,099 Interest expense (14,509 ) — — — (14,509 ) Gain on sale of assets 5,995 — — — 5,995 Other nonoperating income 169 — — — 169 Total other income (expense) (7,246 ) — — — (7,246 ) Income (loss) from continuing operations before income taxes 254,195 (1 ) — — 254,194 Income tax expense 100,059 — — — 100,059 Income (loss) from continuing operations 154,136 (1 ) — — 154,135 Income from discontinued operations, net of income taxes — — 80,898 — 80,898 Equity earnings in affiliates, net of tax — — — — — Net Income (Loss) $ 154,136 $ (1 ) $ 80,898 $ — $ 235,033 CONSOLIDATING STATEMENT OF CASH FLOW (Thousands of dollars) Year ended December 31, 2015 Operating Activities Parent Company Issuer Guarantor Subsidiaries Non-Guarantor Subsidiaries Eliminations Consolidated and Combined Net income (loss) $ 176,340 $ 114,861 $ (1 ) $ (22,730 ) $ (92,130 ) $ 176,340 Adjustments to reconcile net income (loss) to net cash provided by operating activities Income from discontinued operations, net of tax — — — (38,749 ) — (38,749 ) Depreciation and amortization — 86,568 — — — 86,568 Deferred and noncurrent income tax charges (credits) — 40,556 — — — 40,556 Accretion on discounted liabilities — 1,521 — — — 1,521 Pretax losses from sale of assets — 4,658 — — — 4,658 Net decrease (increase) in noncash operating working capital — (46,586 ) — — — (46,586 ) Equity in earnings (176,340 ) 22,731 — 61,479 92,130 — Other operating activities - net — 9,417 — — — 9,417 Net cash provided by (used in) continuing operations — 233,726 (1 ) — — 233,725 Net cash used in discontinued operations — — — (17,887 ) — (17,887 ) Net cash provided by (used in) operating activities — 233,726 (1 ) (17,887 ) — 215,838 Investing Activities Property additions — (205,225 ) — — — (205,225 ) Proceeds from sale of assets — 729 — — — 729 Changes in restricted cash — (68,571 ) — — — (68,571 ) Other investing activities - net — (2,889 ) — — — (2,889 ) Sales proceeds — — — 93,765 — 93,765 Other — — — (7,443 ) — (7,443 ) Net cash provided by (required by) investing activities — (275,956 ) — 86,322 — (189,634 ) Financing Activities Purchase of treasury stock (248,695 ) — — — — (248,695 ) Repayments of long-term debt — (146 ) — — — (146 ) Additions to long-term debt — — — — — — Debt issuance costs — (58 ) — — — (58 ) Amounts related to share-based compensation — (3,075 ) — — — (3,075 ) Net distributions to parent 248,695 (179,319 ) 1 (69,377 ) — — Net cash provided by (required by) financing activities — (182,598 ) 1 (69,377 ) — (251,974 ) Net increase (decrease) in cash and cash equivalents — (224,828 ) — (942 ) — (225,770 ) Cash and cash equivalents at January 1 — 327,163 — 942 — 328,105 Cash and cash equivalents at December 31 $ — $ 102,335 $ — $ — $ — $ 102,335 Less: Cash and cash equivalents held for sale — — — — — — Cash and cash equivalents of continuing operations at December 31 $ — $ 102,335 $ — $ — $ — $ 102,335 CONSOLIDATING STATEMENT OF CASH FLOWS (Thousands of dollars) Year ended December 31, 2014 Operating Activities Parent Company Issuer Guarantor Subsidiaries Non-Guarantor Subsidiaries Eliminations Consolidated and Combined Net income (loss) $ 351,439 $ 312,485 $ (1 ) $ 20,903 $ (440,963 ) $ 243,863 Adjustments to reconcile net income (loss) to net cash provided by operating activities Income from discontinued operations, net of tax — — — (20,903 ) — (20,903 ) Depreciation and amortization — 79,087 — — — 79,087 Deferred and noncurrent income tax charges (credits) — (4,403 ) — — — (4,403 ) Accretion on discounted liabilities — 1,200 — — — 1,200 Pretax gains from sale of assets — (194 ) — — — (194 ) Net decrease (increase) in noncash operating working capital — (36,475 ) — — — (36,475 ) Equity in earnings (351,439 ) (89,524 ) — — 440,963 — Other operating activities - net — 14,531 — — — 14,531 Net cash provided by (used in) continuing operations — 276,707 (1 ) — — 276,706 Net cash provided by discontinued operations — — — 28,876 — 28,876 Net cash provided by (used in) operating activities — 276,707 (1 ) 28,876 — 305,582 Investing Activities Property additions — (135,339 ) — — — (135,339 ) Proceeds from sale of assets — 376 — — — 376 Other investing activities - net — (10,631 ) — — — (10,631 ) Sales proceeds — — — 1,097 — 1,097 Other — — — (4,918 ) — (4,918 ) Net cash required by investing activities — (145,594 ) — (3,821 ) — (149,415 ) Financing Activities Purchase of treasury stock (51,348 ) — — — — (51,348 ) Repayments of long-term debt — (70,000 ) — — — (70,000 ) Additions to long-term debt — — — — — — Debt issuance costs — (875 ) — — — (875 ) Amounts related to share-based compensation — (580 ) — — — (580 ) Net distributions to parent 51,348 (27,236 ) 1 (24,113 ) — — Net cash provided by (required by) financing activities — (98,691 ) 1 (24,113 ) — (122,803 ) Net increase in cash and cash equivalents — 32,422 — 942 — 33,364 Cash and cash equivalents at January 1 — 294,741 — — — 294,741 Cash and cash equivalents at December 31 $ — $ 327,163 $ — $ 942 $ — $ 328,105 Less: Cash and cash equivalents held for sale — — — 942 — 942 Cash and cash equivalents of continuing operations at December 31 $ — $ 327,163 $ — $ — $ — $ 327,163 CONSOLIDATED AND COMBINING STATEMENT OF CASH FLOW (Thousands of dollars) Year ended December 31, 2013 Operating Activities Parent Company Issuer Guarantor Subsidiaries Non-Guarantor Subsidiaries Eliminations Combined Net income (loss) $ — $ 154,136 $ (1 ) $ 80,898 $ — $ 235,033 Adjustments to reconcile net income to net cash provided by operating activities Income from discontinued operations, net of tax — — — (80,898 ) — (80,898 ) Depreciation and amortization — 74,053 — — — 74,053 Deferred and noncurrent income tax charges (credits) — (11,568 ) — — — (11,568 ) Accretion on discounted liabilities — 1,096 — — — 1,096 Pretax gains from sale of assets — (5,995 ) — — — (5,995 ) Net decrease (increase) in noncash operating working capital — 51,204 — — — 51,204 Equity in earnings — — — — — — Other operating activities - net — 13,215 — — — 13,215 Net cash provided by (used in) continuing operations — 276,141 (1 ) — — 276,140 Net cash provided by discontinued operations — — — 80,558 — 80,558 Net cash provided by (used in) operating activities — 276,141 (1 ) 80,558 — 356,698 Investing Activities Property additions — (163,303 ) — — — (163,303 ) Proceeds from sale of assets — 6,113 — — — 6,113 Other investing activities - net — 52 — — — 52 Sales proceeds — — — 173,118 — 173,118 Other — — — (3,088 ) — (3,088 ) Net cash provided by (required by) investing activities — (157,138 ) — 170,030 — 12,892 Financing Activities Purchase of treasury stock — — — — — — Repayments of long-term debt — (80,000 ) — (1,170 ) — (81,170 ) Additions to long-term debt — 641,250 — — — 641,250 Cash dividend to former parent — (650,000 ) — — — (650,000 ) Debt issuance costs — (6,693 ) — — — (6,693 ) Amounts related to share-based compensation — — — — — — Net distributions to former parent — 213,808 1 (249,418 ) — (35,609 ) Net cash provided by (required by) financing activities — 118,365 1 (250,588 ) — (132,222 ) Net increase in cash and cash equivalents — 237,368 — — — 237,368 Cash and cash equivalents at January 1 — 57,373 — — — 57,373 Cash and cash equivalents at December 31 $ — $ 294,741 $ — $ — $ — $ 294,741 Less: Cash and cash equivalents held for sale — — — — — — Cash and cash equivalents of continuing operations at December 31 $ — $ 294,741 $ — $ — $ — $ 294,741 CONSOLIDATING STATEMENT OF CHANGES IN EQUITY (Thousands of dollars) Year ended December 31, 2015 Statement of Stockholders' Equity Parent Company Issuer Guarantor Subsidiaries Non-Guarantor Subsidiaries Eliminations Combined Common Stock Balance as of December 31, 2014 $ 468 $ 1 $ 60 $ — $ (61 ) $ 468 Issuance of common stock — — — — — — Balance as of December 31, 2015 $ 468 $ 1 $ 60 $ — $ (61 ) $ 468 Treasury Stock Balance as of December 31, 2014 $ (51,073 ) $ — $ — $ — $ — $ (51,073 ) Issuance of common stock 5,629 — — — — 5,629 Repurchase of common stock (248,695 ) — — — — (248,695 ) Balance as of December 31, 2015 $ (294,139 ) $ — $ — $ — $ — $ (294,139 ) APIC Balance as of December 31, 2014 $ 1,228,095 $ 558,611 $ 52,004 $ 35,677 $ (1,316,516 ) $ 557,871 Issuance of common stock (5,629 ) — — — — (5,629 ) Amounts related to share-based compensation — (3,075 ) — — — (3,075 ) Reclassification of equity — — — 51,866 (51,866 ) — Share-based compensation expense — 9,015 — — — 9,015 Balance as of December 31, 2015 $ 1,222,466 $ 564,551 $ 52,004 $ 87,543 $ (1,368,382 ) $ 558,182 Retained Earnings Balance as of December 31, 2014 $ 351,439 $ 351,439 $ (1 ) $ 89,525 $ (440,963 ) $ 351,439 Net income 176,340 114,861 (1 ) (22,730 ) (92,130 ) 176,340 Balance as of December 31, 2015 $ 527,779 $ 466,300 $ (2 ) $ 66,795 $ (533,093 ) $ 527,779 CONSOLIDATING STATEMENTS OF CHANGES IN EQUITY (Thousands of dollars) Year ended December 31, 2014 Statement of Stockholders' Equity Parent Company Issuer Guarantor Subsidiaries Non-Guarantor Subsidiaries Eliminations Combined Common Stock Balance as of December 31, 2013 $ 467 $ 1 $ 60 $ — $ (61 ) $ 467 Issuance of common stock 1 — — — — 1 Balance as of December 31, 2014 $ 468 $ 1 $ 60 $ — $ (61 ) $ 468 Treasury Stock Balance as of December 31, 2013 $ — $ — $ — $ — $ — $ — Issuance of common stock 275 — — — — 275 Repurchase of common stock (51,348 ) — — — — (51,348 ) Balance as of December 31, 2014 $ (51,073 ) $ — $ — $ — $ — $ (51,073 ) APIC Balance as of December 31, 2013 $ 1,228,370 $ 548,758 $ 52,004 $ 35,677 $ (1,316,516 ) $ 548,293 Issuance of common stock (275 ) — — — — (275 ) Amounts related to share-based compensation — (582 ) — — — (582 ) Share-based compensation expense — 10,435 — — — 10,435 Balance as of December 31, 2014 $ 1,228,095 $ 558,611 $ 52,004 $ 35,677 $ (1,316,516 ) $ 557,871 Retained Earnings Balance as of December 31, 2013 $ — $ 38,954 $ — $ 68,622 $ — $ 107,576 Net income 351,439 312,485 (1 ) 20,903 (440,963 ) 243,863 Balance as of December 31, 2014 $ 351,439 $ 351,439 $ (1 ) $ 89,525 $ (440,963 ) $ 351,439 CONSOLIDATED AND COMBINING STATEMENTS OF CHANGES IN EQUITY (Thousands of dollars) Year ended December 31, 2013 Statement of Stockholders' Equity/Net Parent Investment Parent Company Issuer Guarantor Subsidiaries Non-Guarantor Subsidiaries Eliminations Combined Common Stock Balance as of December 31, 2012 $ — $ — $ — $ — $ — $ — Issuance of stock at the separation and distribution 467 1 60 — (61 ) 467 Balance as of December 31, 2013 $ 467 $ 1 $ 60 $ — $ (61 ) $ 467 Treasury Stock Balance as of December 31, 2012 $ — $ — $ — $ — $ — $ — Issuance of common stock — — — — — — Repurchase of common stock — — — — — — Balance as of December 31, 2013 $ — $ — $ — $ — $ — $ — APIC Balance as of December 31, 2012 $ — $ — $ — $ — $ — $ — Issuance of stock at the separation and distribution — (467 ) — — — (467 ) Amounts related to share-based compensation — — — — — — Reclassification of net parent investment to APIC 1,228,370 546,311 52,004 35,677 (1,316,516 ) 545,846 Share-based compensation expense — 2,914 — — — 2,914 Balance as of December 31, 2013 $ 1,228,370 $ 548,758 $ 52,004 $ 35,677 $ (1,316,516 ) $ 548,293 Net Parent Investment Balance as of December 31, 2012 $ — $ 1,123,467 $ 53,895 $ 117,550 $ (190,461 ) $ 1,104,451 Net income — 114,668 — 12,789 — 127,457 Dividend paid to former parent — (650,000 ) — — — (650,000 ) Net transfers to/between former parent — (36,062 ) — — — (36,062 ) Reclassification of net parent investment to APIC — (552,073 ) (53,895 ) (130,339 ) 190,461 (545,846 ) Balance as of December 31, 2013 $ — $ — $ — $ — $ — $ — Retained Earnings Balance as of December 31, 2012 $ — $ — $ — $ — $ — $ — Net income — 38,954 — 68,622 — 107,576 Balance as of December 31, 2013 $ — $ 38,954 $ — $ 68,622 $ — $ 107,576

Supplemental Quarterly Informat

Supplemental Quarterly Information	12 Months Ended
	Dec. 31, 2015
Quarterly Financial Information Disclosure [Abstract]
Supplemental Quarterly Information	Murphy USA Inc. Supplemental Quarterly Information (Unaudited) First Second Third Fourth (Millions of dollars except per share amounts) Quarter Quarter Quarter Quarter Year Year Ended December 31, 2015 Sales and other operating revenues $ 2,920.7 $ 3,468.0 $ 3,382.5 $ 2,928.2 $ 12,699.4 Income from continuing operations before income taxes $ 40.9 $ 38.8 $ 94.1 $ 44.5 $ 218.3 Income from continuing operations $ 23.6 $ 24.8 $ 60.0 $ 29.2 $ 137.6 Net income $ 22.9 $ 26.2 $ 60.5 $ 66.7 $ 176.3 Income from continuing operations (per Common share) Basic $ 0.52 $ 0.56 $ 1.41 $ 0.70 $ 3.17 Diluted $ 0.51 $ 0.56 $ 1.40 $ 0.69 $ 3.14 Net income (per Common share) Basic $ 0.50 $ 0.59 $ 1.42 $ 1.60 $ 4.06 Diluted $ 0.50 $ 0.59 $ 1.41 $ 1.58 $ 4.02 Market price of Common stock 1 High $ 73.48 $ 73.47 $ 57.40 $ 65.09 $ 73.48 Low $ 66.82 $ 55.82 $ 48.70 $ 54.17 $ 48.70 Year Ended December 31, 2014 Sales and other operating revenues $ 4,115.5 $ 4,693.9 $ 4,622.6 $ 3,554.0 $ 16,986.0 Income from continuing operations before income taxes $ 12.6 $ 93.9 $ 91.0 $ 141.8 $ 339.3 Income from continuing operations $ 7.6 $ 64.4 $ 56.6 $ 94.4 $ 223.0 Net income $ 9.6 $ 73.2 $ 62.7 $ 98.4 $ 243.9 Income from continuing operations (per Common share) Basic $ 0.16 $ 1.39 $ 1.24 $ 2.06 $ 4.84 Diluted $ 0.16 $ 1.38 $ 1.23 $ 2.04 $ 4.81 Net income (per Common share) Basic $ 0.21 $ 1.58 $ 1.35 $ 2.15 $ 5.29 Diluted $ 0.21 $ 1.57 $ 1.35 $ 2.13 $ 5.26 Market price of Common stock 1 High $ 43.25 $ 52.34 $ 55.64 $ 69.37 $ 69.37 Low $ 37.55 $ 39.96 $ 47.26 $ 49.63 $ 37.55 1 Prices as quoted on the New York Stock Exchange. Stock first traded September 3, 2013.

Schedule II - Valuation And Qua

Schedule II - Valuation And Qualifying Accounts	12 Months Ended
	Dec. 31, 2015
Valuation and Qualifying Accounts [Abstract]
Schedule II - Valuation And Qualifying Accounts	SCHEDULE II – VALUATION AND QUALIFYING ACCOUNTS (CONSOLIDATED AND COMBINED) Murphy USA Inc. Valuation Accounts and Reserves (Thousands of dollars) Balance at January 1, Charged (Credited) to Expense Deductions Balance at December 31, 2015 Deducted from assets accounts Allowance for doubtful accounts $ 4,456 — (2,493 ) 1,963 2014 Deducted from assets accounts Allowance for doubtful accounts $ 4,576 — (120 ) 4,456 2013 Deducted from assets accounts Allowance for doubtful accounts $ 5,835 — (1,259 ) 4,576

Significant Accounting Polici32

Significant Accounting Policies (Policies)	12 Months Ended
	Dec. 31, 2015
Accounting Policies [Abstract]
Principles of Combination	PRINCIPLES OF COMBINATION – These consolidated and combined financial statements were prepared in accordance with U.S. generally accepted accounting principles (“GAAP”) and include the accounts of Murphy USA Inc. and selected subsidiaries, and certain assets, liabilities, and expenses of Murphy Oil Corporation for all periods prior to August 30, 2013. All significant intercompany accounts and transactions within the consolidated and combined entity have been eliminated.
Revenue Recognition	REVENUE RECOGNITION – Revenues from sales of refined petroleum products are recorded when deliveries have occurred and legal ownership of the commodity transfers to the customer, which may include related party sales to other subsidiaries of Murphy USA. Title transfer for bulk refined products generally occur at pipeline custody points or upon truck loading at product terminals. Refined products sold at retail stores are recorded when the customer takes delivery at the pump. Merchandise revenues are recorded at the point of sale. Rebates from vendors are recognized as a reduction of cost of goods sold when the related inventory item is sold. Incentives that are derived from contractual provisions are accrued based on past experience, when estimable, and are recognized in cost of goods sold. The Company enters into buy/sell and similar arrangements when petroleum products are held at one location but are needed at a different location. The Company often pays or receives funds related to the buy/sell arrangement based on location or quality differences. The Company accounts for such transactions on a net basis in its Consolidated and Combined Income Statements.
Shipping and Handling Costs	SHIPPING AND HANDLING COSTS – Costs incurred for the shipping and handling of motor fuel are included in Petroleum product cost of goods sold in the Consolidated and Combined Income Statements. Costs incurred for the shipping and handling of convenience store merchandise are included in Merchandise cost of goods sold in the Consolidated and Combined Income Statements.
Taxes Collected from Customers and Remitted to Government Authorities	TAXES COLLECTED FROM CUSTOMERS AND REMITTED TO GOVERNMENT AUTHORITIES – Excise and other taxes collected on sales of refined products and remitted to governmental agencies are included in revenues and costs and operating expenses in the Consolidated and Combined Income Statements.
Cash Equivalents	CASH EQUIVALENTS – Short-term investments, which include government securities, money market funds and other instruments with government securities as collateral, that have an original maturity of three months or less from the date of purchase are classified as cash equivalents.
Accounts Receivable	ACCOUNTS RECEIVABLE – The Company’s accounts receivable are recorded at the invoiced amount and do not bear interest. The accounts receivable primarily consists of amounts owed to the Company from credit card companies and by customers for wholesale sales of refined petroleum products. The allowance for doubtful accounts is the Company’s best estimate of the amount of probable credit losses on these receivables. The Company reviews this allowance for adequacy at least quarterly and bases its assessment on a combination of current information about its customers and historical write-off experience. Any trade accounts receivable balances written off are charged against the allowance for doubtful accounts. The Company has not experienced any significant credit-related losses in the past three years.
Inventories	INVENTORIES – Inventories of most finished products are valued at the lower of cost, generally applied on a last-in, first-out (“LIFO”) basis, or market. Any increments to LIFO inventory volumes are valued based on the first purchase price for these volumes during the year. Merchandise inventories held for resale are carried at average cost. Materials and supplies are valued at the lower of average cost or estimated value.
Vendor Allowances and Rebates	VENDOR ALLOWANCES AND REBATES – Murphy USA receives payments for vendor allowances, volume rebates and other related payments from various suppliers of its convenience store merchandise. Vendor allowances for price markdowns are credited to merchandise cost of goods sold during the period the related markdown is recognized. Volume rebates of merchandise are recorded as reductions to merchandise cost of goods sold when the merchandise qualifying for the rebate is sold. Slotting and stocking allowances received from a vendor are recorded as a reduction to cost of sales over the period covered by the agreement.
Property, Plant and Equipment	PROPERTY, PLANT AND EQUIPMENT – Additions to property, plant and equipment, including renewals and betterments, are capitalized and recorded at cost. Certain marketing facilities are primarily depreciated using the composite straight-line method with depreciable lives ranging from 16 to 25 years. Gasoline stations, improvements to gasoline stations and other assets are depreciated over 3 to 50 years by individual unit on the straight-line method. Gains and losses on asset disposals or retirements are included in income as a separate component of other non operating income. The Company has undertaken like-kind exchange ("LKE") transactions under the Federal tax code in an effort to acquire and sell real and personal property in a tax efficient manner. The Company generally enters into forward transactions, in which property is sold and the proceeds are reinvested by acquiring similar property; and reverse transactions, in which property is acquired and similar property is subsequently sold. A qualified LKE intermediary is used to facilitate these LKE transactions. Proceeds from forward LKE transactions are held by the intermediary and are classified as restricted cash on the Company's balance sheet because the funds must be reinvested in similar properties. If the acquisition of suitable LKE properties is not completed within 180 days of the sale of the Company-owned property, the proceeds are distributed to the Company by the intermediary and are reclassified as available cash and applicable income taxes are determined. At December 31, 2015 , the Company had $68,571,000 of proceeds from the sale of the Hereford ethanol plant deposited with an LKE intermediary. An exchange accommodation titleholder, a type of variable interest entity, is used to facilitate reverse like-kind exchanges. The acquired assets are held by the exchange accommodation titleholder until the exchange transactions are complete. If the Company determines that it is the primary beneficiary of the exchange accommodation titleholder, the replacements assets held by the exchange accommodation titleholder are consolidated and recorded in Property, Plant & Equipment on the consolidated balance sheets. The unspent proceeds that are held in trust with the intermediary are recorded as noncurrent assets in the Consolidated Balance Sheet as the cash was restricted for the acquisition of property, plant and equipment.
Impairment of Assets	IMPAIRMENT OF ASSETS – Long-lived assets, which include property and equipment and finite-lived intangible assets, are tested for recoverability whenever events or changes in circumstances indicate that the carrying amount of the asset may not be recoverable. A long-lived asset is not recoverable if its carrying amount exceeds the sum of the undiscounted cash flows expected to result from its use and eventual disposition. If a long-lived asset is not recoverable, an impairment loss is recognized for the amount by which the carrying amount of the long-lived asset exceeds its fair value, with fair value determined based on discounted estimated net cash flows or other appropriate methods.
Asset Retirement Obligations	ASSET RETIREMENT OBLIGATIONS – The Company records a liability for asset retirement obligations (“ARO”) equal to the fair value of the estimated cost to retire an asset. The ARO liability is initially recorded in the period in which the obligation meets the definition of a liability, which is generally when the asset is placed in service. The ARO liability is estimated using existing regulatory requirements and anticipated future inflation rates. When the liability is initially recorded, the Company increases the carrying amount of the related long-lived asset by an amount equal to the original liability. The liability is increased over time to reflect the change in its present value, and the capitalized cost is depreciated over the useful life of the related long-lived asset. The Company reevaluates the adequacy of its recorded ARO liability at least annually. Actual costs of asset retirements such as dismantling service stations and site restoration are charged against the related liability. Any difference between costs incurred upon settlement of an asset retirement obligation and the recorded liability is recognized as a gain or loss in the Company’s earnings.
Environmental Liabilities	ENVIRONMENTAL LIABILITIES – A liability for environmental matters is established when it is probable that an environmental obligation exists and the cost can be reasonably estimated. If there is a range of reasonably estimated costs, the most likely amount will be recorded, or if no amount is most likely, the minimum of the range is used. Related expenditures are charged against the liability. Environmental remediation liabilities have not been discounted for the time value of future expected payments. Environmental expenditures that have future economic benefit are capitalized.
Income Taxes	INCOME TAXES – The Company accounts for income taxes using the asset and liability method. Under this method, income taxes are provided for amounts currently payable and for amounts deferred as tax assets and liabilities based on differences between the financial statement carrying amounts and the tax bases of existing assets and liabilities. Deferred income taxes are measured using the enacted tax rates that are assumed will be in effect when the differences reverse. The Company routinely assesses the realizability of deferred tax assets based on available positive and negative evidence including assumptions of future taxable income, tax planning strategies and other pertinent factors. A deferred tax asset valuation allowance is recorded when evidence indicates that it is more likely than not that all or a portion of these deferred tax assets will not be realized in a future period. The accounting rules for income tax uncertainties permit recognition of income tax benefits only when they are more likely than not to be realized. The Company includes potential penalties and interest for uncertain income tax positions in income tax expense. The Company’s results of operations were included in the consolidated federal income tax return of Murphy Oil prior to the separation, while in most cases, these results have been included in the various state tax returns of Murphy USA historically. For these financial statements, federal and state income taxes have been computed and recorded as if the Company filed separate federal and state income tax returns. Federal and state income tax benefits of operating losses generated are recognized to the extent that they could be expected to reduce federal income tax expense for the Company via a carryback to a previous year or carried forward for use in a subsequent year. The calculations of current and deferred income taxes, therefore, require use of certain assumptions, allocations and estimates that management believes are reasonable to reflect the Company’s income taxes as a stand-alone taxpayer. The Company has elected to classify any interest expense and penalties related to the underpayment of income taxes in Income tax expense in the Consolidated and Combined Income Statements.
Derivative Instruments and Hedging Activities	DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES – The fair value of a derivative instrument is recognized as an asset or liability in the Company’s Consolidated Balance Sheets. Upon entering into a derivative contract, the Company may designate the derivative as either a fair value hedge or a cash flow hedge, or decide that the contract is not a hedge, and therefore, recognize changes in the fair value of the contract in earnings. The Company documents the relationship between the derivative instrument designated as a hedge and the hedged items as well as its objective for risk management and strategy for use of the hedging instrument to manage the risk. See Note 14 and Note 17 for further information about the Company’s derivatives.
Stock-Based Compensation	STOCK-BASED COMPENSATION – The fair value of awarded stock options, restricted stock, restricted stock units and performance stock units is determined based on a combination of management assumptions for awards issued. The Company uses the Black-Scholes option pricing model for computing the fair value of stock options. The primary assumptions made by management included the expected life of the stock option award and the expected volatility of the Company’s common stock prices. The Company uses both historical data and current information to support its assumptions. Stock option expense is recognized on a straight-line basis over the respective vesting period of three years. The Company uses a Monte Carlo valuation model to determine the fair value of performance-based stock units that are based on performance compared against a peer group and the related expense is recognized over the three -year vesting period. Management estimates the number of all awards that will not vest and adjusts its compensation expense accordingly. Differences between estimated and actual vested amounts are accounted for as an adjustment to expense when known.
Net Investment by Former Parent	NET INVESTMENT BY FORMER PARENT– The Net investment by former parent represented a net balance reflecting Murphy Oil’s initial investment in the Company and subsequent adjustments resulting from the operations of the Company and various transactions between the Company and Murphy Oil. The balance is the result of the Company’s participation in Murphy Oil’s centralized cash management program under which all the Company’s cash receipts were remitted to Murphy Oil and all cash disbursements are funded by Murphy Oil. The net balance included amounts due from or owed to Murphy Oil. Other transactions affecting the Net investment by Murphy Oil included general and administrative expenses incurred by Murphy Oil and allocated to the Company. There were no terms of settlement or interest charges associated with the Net investment by Murphy Oil balance. Changes in amounts owed to or due from Murphy Oil were included in financing activities in the Statements of Cash Flows. All transactions affecting the balance of this account ceased at the separation.
Use of Estimates	USE OF ESTIMATES – In preparing the financial statements of the Company in conformity with U.S. GAAP, management has made a number of estimates and assumptions related to the reporting of assets, liabilities, revenues, and expenses and the disclosure of contingent assets and liabilities. Actual results may differ from the estimates. On an ongoing basis, we review our estimates based on currently available information. Changes in facts and circumstances may result in revised estimates.

Discontinued Operations (Tables

Discontinued Operations (Tables)	12 Months Ended
	Dec. 31, 2015
Hankinson Renewable Energy, LLC [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Summary of Results of Operations of Discontinued Operations	The results of operations associated with the Hankinson discontinued operations are presented in the following table. (Thousands of dollars) 2014 2013 Revenues $ — $ 366,707 Income (loss) from operations before income taxes — 40,130 Gain on sale before income taxes 1,202 80,834 Total income (loss) from discontinued operations before taxes 1,202 120,964 Provision for income taxes 421 42,257 Income (loss) from discontinued operations $ 781 $ 78,707
Hereford Production Facility [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Summary of Results of Operations of Discontinued Operations	The following table presents financial results of the Hereford business: Twelve months ended December 31, (Thousands of dollars) 2015 2014 2013 Revenues Ethanol sales $ 154,502 $ 223,904 $ 269,254 Total revenues 154,502 223,904 269,254 Costs and operating expenses Ethanol cost of goods sold 121,753 158,276 228,899 Station and other operating expenses 27,881 34,763 33,227 Depreciation and amortization 333 147 77 Selling, general and administrative expenses 1,382 1,635 3,568 Total costs and operating expenses 151,349 194,821 265,771 Income from operations 3,153 29,083 3,483 Other income (expense) Gain (loss) on sale of assets 60,782 — — Other nonoperating income (expense) — 994 — Total other income (expense) 60,782 994 — Income before income taxes 63,935 30,077 3,483 Income taxes 25,186 9,955 1,292 Net income $ 38,749 $ 20,122 $ 2,191 The following tables present the aggregate carrying amounts of the classes of held for sale assets and liabilities: (Thousands of dollars) 2014 Carrying amount of assets included as part of discontinued operations: Cash and cash equivalents $ 942 Accounts receivable - trade 1,625 Inventories, at lower of cost or market 25,868 Prepaid expenses and other current assets 3,062 Property, plant and equipment, net 5,043 Other assets 515 Deferred tax assets 19,273 Total assets classified as held for sale in the condensed consolidated balance sheet $ 56,328 2014 (Thousands of dollars) Carrying amount of liabilities included as part of discontinued operations: Trade accounts payable and accrued liabilities $ 5,728 Income taxes payable 7,238 Deferred income taxes, net (41 ) Total liabilities classified as held for sale in the condensed consolidated balance sheet $ 12,925 The following table presents cash flow of the Hereford ethanol plant: Twelve months ended December 31, (Thousands of dollars) 2015 2014 2013 Net cash provided by (used in) discontinued operating activities $ (17,887 ) $ 28,741 $ 30,810 Net cash provided by (used in) discontinued investing activities $ 86,322 $ (4,918 ) $ (1,959 )

Change in Accounting Principle

Change in Accounting Principle (Tables)	12 Months Ended
	Dec. 31, 2015
Accounting Changes and Error Corrections [Abstract]
Summary of Adjustments from Change in Accounting Principle	For a summary of the adjustments, see below: Previous Accounting Method Effect of Change In As Reported (thousands of dollars) December 31, 2015 Accounting Principle December 31, 2015 Other assets $ 16,211 $ (3,526 ) $ 12,685 Long-term debt $ 493,686 $ (3,526 ) $ 490,160 As Originally Reported Effect of Change In As Currently Reported December 31, 2014 Accounting Principle December 31, 2014 Other assets $ 14,736 $ (4,193 ) $ 10,543 Long-term debt $ 492,443 $ (4,193 ) $ 488,250

Inventories (Tables)

Inventories (Tables)	12 Months Ended
	Dec. 31, 2015
Inventory Disclosure [Abstract]
Summary of Inventory	Inventories consisted of the following: December 31, (Thousands of dollars) 2015 2014 Finished products - FIFO basis $ 159,774 $ 200,272 Less LIFO - finished products (102,849 ) (144,283 ) Finished products - LIFO basis 56,925 55,989 Store merchandise for resale 94,925 98,712 Materials and supplies 4,056 2,345 Total inventories $ 155,906 $ 157,046

Property, Plant and Equipment (

Property, Plant and Equipment (Tables)	12 Months Ended
	Dec. 31, 2015
Property, Plant and Equipment [Abstract]
Summary of Property, Plant and Equipment	December 31, 2015 December 31, 2014 (Thousands of dollars) Estimated Useful Life Cost Net Cost Net Land $ 555,198 $ 555,198 $ 527,158 $ 527,158 Pipeline and terminal facilities 16 to 25 years 95,244 40,846 88,447 36,384 Retail gasoline stations 3 to 50 years 1,367,176 746,747 1,229,582 662,954 Buildings 20 to 45 years 19,441 8,985 18,160 8,328 Other 3 to 20 years 56,745 17,542 47,801 13,257 $ 2,093,804 $ 1,369,318 $ 1,911,148 $ 1,248,081

Accounts Payable And Accrued 37

Accounts Payable And Accrued Liabilities (Tables)	12 Months Ended
	Dec. 31, 2015
Payables and Accruals [Abstract]
Schedule of Accounts Payable and Accrued Liabilities	Trade accounts payable and accrued liabilities consisted of the following: December 31, (Thousands of dollars) 2015 2014 Trade accounts payable $ 226,769 $ 227,113 Excise taxes/withholdings payable 75,704 71,273 Accrued insurance obligations 23,347 19,280 Other 64,521 63,605 Accounts payable and accrued liabilities $ 390,341 $ 381,271

Long-Term Debt (Tables)

Long-Term Debt (Tables)	12 Months Ended
	Dec. 31, 2015
Debt Disclosure [Abstract]
Summary of Long-Term Debt	Long-term debt consisted of the following: December 31, (Thousands of dollars) 2015 2014 6% senior notes due 2023 (net of unamortized discount of $6,692 at 2015 and $7,557 at 2014) $ 493,308 $ 492,443 Less unamortized debt issuance costs (3,526 ) (4,193 ) Total notes payable, net 489,782 488,250 Capitalized lease obligations, vehicles, due through 2018 600 — Less current maturities (222 ) — Total long-term debt $ 490,160 $ 488,250

Asset Retirement Obligations 39

Asset Retirement Obligations (ARO) (Tables)	12 Months Ended
	Dec. 31, 2015
Asset Retirement Obligation Disclosure [Abstract]
Reconciliation of Beginning and Ending Aggregate Carrying Amount of Asset Retirement Obligation	A reconciliation of the beginning and ending aggregate carrying amount of the ARO is shown in the following table. December 31, (Thousands of dollars) 2015 2014 Balance at beginning of period $ 22,245 $ 17,130 Accretion expense 1,521 1,200 Liabilities incurred 579 3,915 Balance at end of period $ 24,345 $ 22,245

Income Taxes (Tables)

Income Taxes (Tables)	12 Months Ended
	Dec. 31, 2015
Income Tax Disclosure [Abstract]
Summary of Effective Income Tax Rates	The components of income from continuing operations before income taxes for each of the three years ended December 31, 2015 and income tax expense (benefit) attributable thereto were as follows: Years Ended December 31, (Thousands of dollars) 2015 2014 2013 Income (loss) from continuing operations before income taxes $ 218,289 $ 339,346 $ 254,194 Income tax expense (benefit) Federal - Current $ 58,039 119,338 92,828 Federal - Deferred 15,853 (382 ) (9,067 ) State - Current and deferred 6,806 (2,570 ) 16,298 Total $ 80,698 $ 116,386 $ 100,059
Schedule of Reconciliation of Income Taxes to Statutory Rate	The following table reconciles income taxes based on the U.S. statutory tax rate to the Company’s income tax expense. Years Ended December 31, (Thousands of dollars) 2015 2014 2013 Income tax expense based on the U.S. statutory tax rate $ 76,401 $ 118,771 $ 88,968 State income taxes, net of federal benefit 4,424 (1,671 ) 10,594 Other, net (127 ) (714 ) 497 Total $ 80,698 $ 116,386 $ 100,059
Summary of Deferred Tax Assets and Deferred Tax Liabilities	An analysis of the Company’s deferred tax assets and deferred tax liabilities at December 31, 2015 and 2014 showing the tax effects of significant temporary differences follows: December 31, (Thousands of dollars) 2015 2014 Deferred tax assets Property costs and asset retirement obligations $ 2,666 $ 2,157 Employee benefits 9,647 9,712 Other deferred tax assets 7,297 8,995 Total gross deferred tax assets 19,610 20,864 Less valuation allowance — — Net deferred tax assets 19,610 20,864 Deferred tax liabilities Accumulated depreciation and amortization (157,322 ) (133,535 ) State deferred taxes (17,042 ) (16,855 ) Other deferred tax liabilities (8,211 ) (8,837 ) Total gross deferred tax liabilities (182,575 ) (159,227 ) Net deferred tax liabilities $ (162,965 ) $ (138,363 )
Reconciliation of Beginning and Ending Liability for Uncertain Tax Positions	No uncertain tax position liabilities were recognized for the year ending December 31, 2013. Year Ended December 31, (Thousands of dollars) 2015 2014 Balance at January 1 $ 6,101 $ — Additions for tax positions related to prior year 222 10,086 Additions for tax positions related to current year — 77 Settlements with taxing authorities — (1,563 ) Expiration of statutes of limitation (873 ) (2,499 ) Balance at December 31 $ 5,450 $ 6,101

Incentive Plans (Tables)

Incentive Plans (Tables)	12 Months Ended
	Dec. 31, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Summary of Amounts Recognized in Financial Statements with Respect to Share-Based Plans	Amounts recognized in the financial statements by the Company with respect to all share-based plans are shown in the following table. All expense prior to August 30, 2013 was incurred under the 2007 Plan and the 2012 Plan while all amounts after August 30, 2013 were incurred in the MUSA 2013 Plan and the Directors Plan. December 31, (Thousands of dollars) 2015 2014 2013 Compensation charged against income before income tax benefit $ 9,015 $ 10,435 $ 9,391 Related income tax benefit recognized in income $ 3,155 $ 3,652 $ 3,287
Summary of Changes in Stock Options Outstanding	Changes in options outstanding for Company employees during the period from August 30, 2013 to December 31, 2015 are presented in the following table: Number of Shares Average Exercise Price Outstanding at December 31, 2013 621,149 $ 35.13 Granted at FMV 127,400 39.46 Exercised (74,766 ) 34.21 Forfeited (13,148 ) 38.36 Outstanding at December 31, 2014 660,635 36.00 Granted at FMV 72,350 70.57 Exercised (236,620 ) 33.80 Forfeited (30,609 ) 40.21 Outstanding at December 31, 2015 465,756 $ 42.22 Exercisable at December 31, 2014 88,445 $ 34.54 Exercisable at December 31, 2015 127,077 $ 36.71
Summary of Additional Stock Option Information	Additional information about stock options outstanding at December 31, 2015 is shown below: Options Outstanding Options Exercisable Range of Exercise Prices per Option No. of Options Avg. Life Remaining in Years Aggregate Intrinsic Value No. of Options Avg. Life Remaining in Years Aggregate Intrinsic Value $32.53 to $37.06 171,592 3.9 $ 4,614,797 62,213 3.5 $ 1,707,361 $37.07 to $39.45 5,615 2.0 132,891 5,615 2.0 132,891 $39.46 to $40.25 218,899 4.6 4,564,023 59,249 4.1 1,213,745 $40.26 to $70.57 69,650 6.1 — — 0.0 — 465,756 4.5 $ 9,311,711 127,077 3.7 $ 3,053,997
MUSA 2013 Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Summary of Valuation Assumptions	Following are the assumptions used by the Company to value the original awards: Year Ended December 31, 2015 2014 Fair value per option grant $ 20.18 $ 11.44 Assumptions Dividend yield — — Expected volatility 29.3 % 31.7 % Risk-free interest rate 1.52 % 1.37 % Expected life 5.0 years 4.6 years
Murphy Oil Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Summary of Valuation Assumptions	Following are the assumptions used originally by Murphy Oil to value the original awards. Years Ended December 31, 2012 and 2011 Fair value per option grant 12.37 - 20.34 Assumptions Dividend yield 1.80% - 2.27% Expected volatility 37.00% - 39.62% Risk-free interest rate 0.55% - 2.10% Expected life 4.00 yrs. - 5.20 yrs.
Restricted Stock Units [Member] | MUSA 2013 Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Summary of Restricted Stock Unit Activity	(Number of units) Employee RSU's Outstanding at December 31, 2012 — Granted 352,522 Vested and issued (509 ) Forfeited (4,915 ) Outstanding at December 31, 2013 347,098 Granted 93,025 Vested and issued (20,680 ) Forfeited (22,428 ) Outstanding at December 31, 2014 397,015 Granted 55,450 Vested and issued (66,116 ) Forfeited (30,049 ) Outstanding at December 31, 2015 356,300
Restricted Stock Units [Member] | 2013 Stock Plan For Non-Employee Directors [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Summary of Restricted Stock Unit Activity	(Number of units) Director RSU's Outstanding at December 31, 2012 — Granted 28,413 Vested and issued — Forfeited — Outstanding at December 31, 2013 28,413 Granted 22,437 Vested and issued — Forfeited — Outstanding at December 31, 2014 50,850 Granted 12,924 Vested and issued — Forfeited — Outstanding at December 31, 2015 63,774
Performance Units [Member] | MUSA 2013 Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Summary of Restricted Stock Unit Activity	(Number of units) Employee PSU's Outstanding at December 31, 2013 — Granted 78,500 Vested and issued — Forfeited (6,500 ) Outstanding at December 31, 2014 72,000 Granted 40,400 Vested and issued — Forfeited (10,006 ) Outstanding at December 31, 2015 102,394

Earnings Per Share (Tables)

Earnings Per Share (Tables)	12 Months Ended
	Dec. 31, 2015
Earnings Per Share [Abstract]
Reconciliation of Basic and Diluted Earnings Per Share Computations	The following table provides a reconciliation of basic and diluted earnings per share computations for the years ended December 31, 2015 , 2014 and 2013 (in thousands, except per share amounts): Years ended December 31, (Thousands of dollars except per share amounts) 2015 2014 2013 Earnings per common share: Net income (loss) per share - basic Income from continuing operations $ 137,591 $ 222,960 $ 154,135 Income from discontinued operations $ 38,749 $ 20,903 $ 80,898 Net income attributable to common stockholders $ 176,340 $ 243,863 $ 235,033 Weighted average common shares outstanding (in thousands) 43,434 46,104 46,743 Earnings per share: Continuing operations $ 3.17 $ 4.84 $ 3.30 Discontinued operations $ 0.89 $ 0.45 $ 1.73 Total earnings per share $ 4.06 $ 5.29 $ 5.03 Earnings per common share - assuming dilution: Years ended December 31, 2015 2014 2013 Net income (loss) per share - diluted Income from continuing operations $ 137,591 $ 222,960 $ 154,135 Income from discontinued operations $ 38,749 $ 20,903 $ 80,898 Net income attributable to common stockholders $ 176,340 $ 243,863 $ 235,033 Weighted average common shares outstanding (in thousands) 43,434 46,104 46,743 Common equivalent shares: Dilutive options 360 313 115 Weighted average common shares outstanding - assuming dilution (in thousands) 43,794 46,417 46,858 Earnings per share: Continuing operations $ 3.14 $ 4.81 $ 3.29 Discontinued operations $ 0.88 $ 0.45 $ 1.73 Earnings per share - assuming dilution $ 4.02 $ 5.26 $ 5.02

Other Financial Information (Ta

Other Financial Information (Tables)	12 Months Ended
	Dec. 31, 2015
Other Financial Information [Abstract]
Schedule of Other Operating Revenues	Other operating revenues in the Consolidated and Combined Income Statements includes the following items: (Thousands of dollars) 2015 2014 2013 Renewable Identification Numbers (RINs) sales $ 117,513 $ 92,916 $ 91,391 Other 3,321 3,193 2,907 Total other operating revenue $ 120,834 $ 96,109 $ 94,298
Summary of Changes in Operating Working Capital	(Thousands of dollars) 2015 2014 2013 Accounts receivable $ 2,857 $ 59,519 $ 325,063 Inventories 1,121 750 4,011 Prepaid expenses and other current assets (27,107 ) 477 (7,755 ) Accounts payable and accrued liabilities 1,043 (53,234 ) (271,379 ) Income taxes payable (25,599 ) (37,325 ) 6,892 Current deferred income tax liabilities 1,099 (6,662 ) (5,628 ) Net decrease (increase) in noncash operating working capital $ (46,586 ) $ (36,475 ) $ 51,204

Assets and Liabilities Measur44

Assets and Liabilities Measure at Fair Value (Tables)	12 Months Ended
	Dec. 31, 2015
Fair Value Disclosures [Abstract]
Schedule of Carrying Amounts and Estimated Fair Value of Financial Instruments	The following table presents the carrying amounts and estimated fair values of financial instruments held by the Company at December 31, 2015 and 2014 . The fair value of a financial instrument is the amount at which the instrument could be exchanged in a current transaction between willing parties. The table excludes Cash and cash equivalents, Accounts receivable-trade, and Trade accounts payable and accrued liabilities, all of which had fair values approximating carrying amounts. The fair value of Current and Long-term debt was estimated based on rates offered to the Company at that time for debt of the same maturities. The Company has off-balance sheet exposures relating to certain financial guarantees and letters of credit. The fair value of these, which represents fees associated with obtaining the instruments, was nominal. December 31, 2015 December 31, 2014 Carrying Carrying (Thousands of dollars) Amount Fair Value Amount Fair Value Financial liabilities Current and long-term debt $ (490,382 ) $ (511,916 ) $ (488,250 ) $ (510,344 )

Business Segments (Tables)

Business Segments (Tables)	12 Months Ended
	Dec. 31, 2015
Segment Reporting [Abstract]
Summary of Information by Business Segment	Segment Information Corporate and Discontinued (Thousands of dollars) Marketing Other Assets Operations Consolidated Year ended December 31, 2015 Segment income (loss) $ 159,796 (22,205 ) 38,749 $ 176,340 Revenues from external customers 12,699,125 286 — 12,699,411 Interest income — 2,177 — 2,177 Interest expense (20 ) (33,511 ) — (33,531 ) Income tax expense (benefit) 95,657 (14,959 ) — 80,698 Significant noncash charges (credits) Depreciation and amortization 81,349 5,219 — 86,568 Accretion of asset retirement obligations 1,521 — — 1,521 Deferred and noncurrent income taxes (benefits) 42,593 (2,037 ) — 40,556 Additions to property, plant and equipment 202,371 9,477 3,720 215,568 Total assets at year-end $ 1,727,131 159,110 — $ 1,886,241 Segment Information Corporate and Discontinued (Thousands of dollars) Marketing Other Assets Operations Consolidated Year ended December 31, 2014 Segment income (loss) $ 242,434 (19,474 ) 20,903 $ 243,863 Revenues from external customers 16,985,903 111 — 16,986,014 Interest income — 244 — 244 Interest expense — (36,646 ) — (36,646 ) Income tax expense (benefit) 127,657 (11,271 ) — 116,386 Significant noncash charges (credits) Depreciation and amortization 74,906 4,181 — 79,087 Accretion of asset retirement obligations 1,200 — — 1,200 Deferred and noncurrent income taxes (benefits) 368 (4,771 ) — (4,403 ) Additions to property, plant and equipment 131,139 4,200 3,549 138,888 Total assets at year-end $ 1,544,018 348,991 56,328 $ 1,949,337 Year ended December 31, 2013 Segment income (loss) $ 164,013 (9,878 ) 80,898 $ 235,033 Revenues from external customers 17,814,081 — — 17,814,081 Interest income — 1,099 — 1,099 Interest expense — (14,509 ) — (14,509 ) Income tax expense (benefit) 106,223 (6,164 ) — 100,059 Significant noncash charges (credits) Depreciation and amortization 71,253 2,800 — 74,053 Accretion of asset retirement obligations 1,096 — — 1,096 Deferred and noncurrent income taxes (benefits) (9,796 ) (1,772 ) — (11,568 ) Additions to property, plant and equipment 162,051 8,169 1,752 171,972 Total assets at year-end $ 1,527,125 320,281 41,158 $ 1,888,564

Guarantor Subsidiaries (Tables)

Guarantor Subsidiaries (Tables)	12 Months Ended
	Dec. 31, 2015
Guarantor Subsidiaries [Abstract]
Consolidating Balance Sheet	CONSOLIDATING BALANCE SHEET (Thousands of dollars) December 31, 2015 Assets Parent Company Issuer Guarantor Subsidiaries Non-Guarantor Subsidiaries Eliminations Consolidated Current assets Cash and cash equivalents $ — $ 102,335 $ — $ — $ — $ 102,335 Accounts receivable—trade, less allowance for doubtful accounts of $1,963 in 2015 — 136,253 — — — 136,253 Inventories, at lower of cost or market — 155,906 — — — 155,906 Prepaid expenses and other current assets — 41,173 — — — 41,173 Current assets held for sale — — — — — — Total current assets — 435,667 — — — 435,667 Property, plant and equipment, at cost less accumulated depreciation and amortization of $724,486 in 2015 — 1,369,318 — — — 1,369,318 Restricted cash — 68,571 — — — 68,571 Investments in subsidiaries 1,756,617 144,921 — — (1,901,538 ) — Other assets — 12,685 — — — 12,685 Deferred tax assets — — — — — — Noncurrent assets held for sale — — — — — — Total assets $ 1,756,617 $ 2,031,162 $ — $ — $ (1,901,538 ) $ 1,886,241 Liabilities and Stockholders' Equity Current liabilities Current maturities of long-term debt $ — $ 222 $ — $ — $ — $ 222 Inter-company accounts payable 300,044 (93,644 ) (52,062 ) (154,338 ) — — Trade accounts payable and accrued liabilities — 390,341 — — — 390,341 Income taxes payable — — — — — — Deferred income taxes — 1,729 — — — 1,729 Current liabilities held for sale — — — — — — Total current liabilities 300,044 298,648 (52,062 ) (154,338 ) — 392,292 Long-term debt, including capitalized lease obligations — 490,160 — — — 490,160 Deferred income taxes — 161,236 — — — 161,236 Asset retirement obligations — 24,345 — — — 24,345 Deferred credits and other liabilities — 25,918 — — — 25,918 Total liabilities 300,044 1,000,307 (52,062 ) (154,338 ) — 1,093,951 Stockholders' Equity Preferred Stock, par $0.01 (authorized 20,000,000 shares, none outstanding) — — — — — — Common Stock, par $0.01 (authorized 200,000,000 shares, 46,767,164 shares issued at December 31, 2015) 468 1 60 — (61 ) 468 Treasury stock (5,088,434 shares held at December 31, 2015) (294,139 ) — — — — (294,139 ) Additional paid in capital (APIC) 1,222,465 564,554 52,004 87,543 (1,368,384 ) 558,182 Retained earnings 527,779 466,300 (2 ) 66,795 (533,093 ) 527,779 Total stockholders' equity 1,456,573 1,030,855 52,062 154,338 (1,901,538 ) 792,290 Total liabilities and stockholders' equity $ 1,756,617 $ 2,031,162 $ — $ — $ (1,901,538 ) $ 1,886,241 CONSOLIDATING BALANCE SHEET (Thousands of dollars) December 31, 2014 Assets Parent Company Issuer Guarantor Subsidiaries Non-Guarantor Subsidiaries Eliminations Consolidated Current assets Cash and cash equivalents $ — $ 327,163 $ — $ — $ — $ 327,163 Accounts receivable—trade, less allowance for doubtful accounts of $4,456 in 2013 — 138,466 — — — 138,466 Inventories, at lower of cost or market — 157,046 — — — 157,046 Prepaid expenses and other current assets — 11,710 — — — 11,710 Current assets held for sale — — — 56,328 — 56,328 Total current assets — 634,385 — 56,328 — 690,713 Property, plant and equipment, at cost less accumulated depreciation and amortization of $663,067 in 2014 — 1,248,081 — — — 1,248,081 Investments in subsidiaries 1,580,277 177,263 — — (1,757,540 ) — Other assets — 10,543 — — — 10,543 Deferred tax assets — — — — — — Noncurrent assets held for sale — — — — — — Total assets $ 1,580,277 $ 2,070,272 $ — $ 56,328 $ (1,757,540 ) $ 1,949,337 Liabilities and Stockholders' Equity Current liabilities Current maturities of long-term debt $ — $ — $ — $ — $ — $ — Inter-company accounts payable 51,348 82,528 (52,077 ) (81,799 ) — — Trade accounts payable and accrued liabilities — 381,271 — — — 381,271 Income taxes payable — 18,348 14 — — 18,362 Deferred income taxes — 522 — — — 522 Current liabilities held for sale — — — 12,925 — 12,925 Total current liabilities 51,348 482,669 (52,063 ) (68,874 ) — 413,080 Long-term debt, including capitalized lease obligations — 488,250 — — — 488,250 Deferred income taxes — 137,882 — — — 137,882 Asset retirement obligations — 22,245 — — — 22,245 Deferred credits and other liabilities — 29,175 — — — 29,175 Total liabilities 51,348 1,160,221 (52,063 ) (68,874 ) — 1,090,632 Stockholders' Equity Preferred Stock, par $0.01 (authorized 20,000,000 shares, none outstanding) — — — — — — Common Stock, par $0.01 (authorized 200,000,000 shares, 46,767,164 shares issued at December 31, 2014) 468 1 60 — (61 ) 468 Treasury stock (1,056,689 shares held at December 31, 2014) (51,073 ) — — — — (51,073 ) Additional paid in capital (APIC) 1,228,095 558,611 52,004 35,677 (1,316,516 ) 557,871 Retained earnings 351,439 351,439 (1 ) 89,525 (440,963 ) 351,439 Total stockholders' equity 1,528,929 910,051 52,063 125,202 (1,757,540 ) 858,705 Total liabilities and stockholders' equity $ 1,580,277 $ 2,070,272 $ — $ 56,328 $ (1,757,540 ) $ 1,949,337
Consolidating Income Statement	CONSOLIDATING INCOME STATEMENT (Thousands of dollars) Year ended December 31, 2015 Revenues Parent Company Issuer Guarantor Subsidiaries Non-Guarantor Subsidiaries Eliminations Consolidated and Combined Petroleum product sales $ — $ 10,424,855 $ — $ — $ (120,166 ) $ 10,304,689 Merchandise sales — 2,273,888 — — — 2,273,888 Other operating revenues — 120,834 — — — 120,834 Total revenues — 12,819,577 — — (120,166 ) 12,699,411 Costs and operating expenses Petroleum product cost of goods sold — 9,914,641 — — (120,166 ) 9,794,475 Merchandise cost of goods sold — 1,946,423 — — — 1,946,423 Station and other operating expenses — 486,383 — — — 486,383 Depreciation and amortization — 86,568 — — — 86,568 Selling, general and administrative — 129,276 1 — — 129,277 Accretion of asset retirement obligations — 1,521 — — — 1,521 Total costs and operating expenses — 12,564,812 1 — (120,166 ) 12,444,647 Income (loss) from operations — 254,765 (1 ) — — 254,764 Other income (expense) Interest income — 2,177 — — — 2,177 Interest expense — (33,531 ) — — — (33,531 ) Loss on sale of assets — (4,658 ) — — — (4,658 ) Other nonoperating expense — (463 ) — — — (463 ) Total other income (expense) — (36,475 ) — — — (36,475 ) Income (loss) from continuing operations before income taxes — 218,290 (1 ) — — 218,289 Income tax expense — 80,698 — — — 80,698 Income (loss) from continuing operations — 137,592 (1 ) — — 137,591 Income from discontinued operations, net of income taxes — — — 38,749 — 38,749 Equity earnings in affiliates, net of tax 176,340 (22,731 ) — (61,479 ) (92,130 ) — Net Income (Loss) $ 176,340 $ 114,861 $ (1 ) $ (22,730 ) $ (92,130 ) $ 176,340 CONSOLIDATING INCOME STATEMENT (Thousands of dollars) Year ended December 31, 2014 Revenues Parent Company Issuer Guarantor Subsidiaries Non-Guarantor Subsidiaries Eliminations Consolidated and Combined Petroleum product sales $ — $ 14,911,658 $ — $ — $ (183,131 ) $ 14,728,527 Merchandise sales — 2,161,378 — — — 2,161,378 Other operating revenues — 96,109 — — — 96,109 Total revenues — 17,169,145 — — (183,131 ) 16,986,014 Costs and operating expenses Petroleum product cost of goods sold — 14,257,710 — — (183,131 ) 14,074,579 Merchandise cost of goods sold — 1,859,732 — — — 1,859,732 Station and other operating expenses — 486,762 — — — 486,762 Depreciation and amortization — 79,087 — — — 79,087 Selling, general and administrative — 119,265 1 — — 119,266 Accretion of asset retirement obligations — 1,200 — — — 1,200 Total costs and operating expenses — 16,803,756 1 — (183,131 ) 16,620,626 Income (loss) from operations — 365,389 (1 ) — — 365,388 Other income (expense) Interest income — 244 — — — 244 Interest expense — (36,646 ) — — — (36,646 ) Gain on sale of assets — 194 — — — 194 Other nonoperating income — 10,166 — — — 10,166 Total other income (expense) — (26,042 ) — — — (26,042 ) Income (loss) from continuing operations before income taxes — 339,347 (1 ) — — 339,346 Income tax expense — 116,386 — — — 116,386 Income (loss) from continuing operations — 222,961 (1 ) — — 222,960 Income from discontinued operations, net of income taxes — — — 20,903 — 20,903 Equity earnings in affiliates, net of tax 351,439 89,524 — — (440,963 ) — Net Income (Loss) $ 351,439 $ 312,485 $ (1 ) $ 20,903 $ (440,963 ) $ 243,863 CONSOLIDATED AND COMBINING INCOME STATEMENT (Thousands of dollars) Year ended December 31, 2013 Revenues Issuer Guarantor Subsidiaries Non-Guarantor Subsidiaries Eliminations Combined Petroleum product sales $ 15,766,752 $ — $ — $ (206,435 ) $ 15,560,317 Merchandise sales 2,159,466 — — — 2,159,466 Other operating revenues 94,298 — — — 94,298 Total revenues 18,020,516 — — (206,435 ) 17,814,081 Costs and operating expenses Petroleum product cost of goods sold 15,216,390 — — (206,435 ) 15,009,955 Merchandise cost of goods sold 1,877,630 — — — 1,877,630 Station and other operating expenses 460,476 — — — 460,476 Depreciation and amortization 74,053 — — — 74,053 Selling, general and administrative 129,430 1 — — 129,431 Accretion of asset retirement obligations 1,096 — — — 1,096 Total costs and operating expenses 17,759,075 1 — (206,435 ) 17,552,641 Income (loss) from operations 261,441 (1 ) — — 261,440 Other income (expense) Interest income 1,099 — — — 1,099 Interest expense (14,509 ) — — — (14,509 ) Gain on sale of assets 5,995 — — — 5,995 Other nonoperating income 169 — — — 169 Total other income (expense) (7,246 ) — — — (7,246 ) Income (loss) from continuing operations before income taxes 254,195 (1 ) — — 254,194 Income tax expense 100,059 — — — 100,059 Income (loss) from continuing operations 154,136 (1 ) — — 154,135 Income from discontinued operations, net of income taxes — — 80,898 — 80,898 Equity earnings in affiliates, net of tax — — — — — Net Income (Loss) $ 154,136 $ (1 ) $ 80,898 $ — $ 235,033
Consolidating Statement of Cash Flow	CONSOLIDATING STATEMENT OF CASH FLOW (Thousands of dollars) Year ended December 31, 2015 Operating Activities Parent Company Issuer Guarantor Subsidiaries Non-Guarantor Subsidiaries Eliminations Consolidated and Combined Net income (loss) $ 176,340 $ 114,861 $ (1 ) $ (22,730 ) $ (92,130 ) $ 176,340 Adjustments to reconcile net income (loss) to net cash provided by operating activities Income from discontinued operations, net of tax — — — (38,749 ) — (38,749 ) Depreciation and amortization — 86,568 — — — 86,568 Deferred and noncurrent income tax charges (credits) — 40,556 — — — 40,556 Accretion on discounted liabilities — 1,521 — — — 1,521 Pretax losses from sale of assets — 4,658 — — — 4,658 Net decrease (increase) in noncash operating working capital — (46,586 ) — — — (46,586 ) Equity in earnings (176,340 ) 22,731 — 61,479 92,130 — Other operating activities - net — 9,417 — — — 9,417 Net cash provided by (used in) continuing operations — 233,726 (1 ) — — 233,725 Net cash used in discontinued operations — — — (17,887 ) — (17,887 ) Net cash provided by (used in) operating activities — 233,726 (1 ) (17,887 ) — 215,838 Investing Activities Property additions — (205,225 ) — — — (205,225 ) Proceeds from sale of assets — 729 — — — 729 Changes in restricted cash — (68,571 ) — — — (68,571 ) Other investing activities - net — (2,889 ) — — — (2,889 ) Sales proceeds — — — 93,765 — 93,765 Other — — — (7,443 ) — (7,443 ) Net cash provided by (required by) investing activities — (275,956 ) — 86,322 — (189,634 ) Financing Activities Purchase of treasury stock (248,695 ) — — — — (248,695 ) Repayments of long-term debt — (146 ) — — — (146 ) Additions to long-term debt — — — — — — Debt issuance costs — (58 ) — — — (58 ) Amounts related to share-based compensation — (3,075 ) — — — (3,075 ) Net distributions to parent 248,695 (179,319 ) 1 (69,377 ) — — Net cash provided by (required by) financing activities — (182,598 ) 1 (69,377 ) — (251,974 ) Net increase (decrease) in cash and cash equivalents — (224,828 ) — (942 ) — (225,770 ) Cash and cash equivalents at January 1 — 327,163 — 942 — 328,105 Cash and cash equivalents at December 31 $ — $ 102,335 $ — $ — $ — $ 102,335 Less: Cash and cash equivalents held for sale — — — — — — Cash and cash equivalents of continuing operations at December 31 $ — $ 102,335 $ — $ — $ — $ 102,335 CONSOLIDATING STATEMENT OF CASH FLOWS (Thousands of dollars) Year ended December 31, 2014 Operating Activities Parent Company Issuer Guarantor Subsidiaries Non-Guarantor Subsidiaries Eliminations Consolidated and Combined Net income (loss) $ 351,439 $ 312,485 $ (1 ) $ 20,903 $ (440,963 ) $ 243,863 Adjustments to reconcile net income (loss) to net cash provided by operating activities Income from discontinued operations, net of tax — — — (20,903 ) — (20,903 ) Depreciation and amortization — 79,087 — — — 79,087 Deferred and noncurrent income tax charges (credits) — (4,403 ) — — — (4,403 ) Accretion on discounted liabilities — 1,200 — — — 1,200 Pretax gains from sale of assets — (194 ) — — — (194 ) Net decrease (increase) in noncash operating working capital — (36,475 ) — — — (36,475 ) Equity in earnings (351,439 ) (89,524 ) — — 440,963 — Other operating activities - net — 14,531 — — — 14,531 Net cash provided by (used in) continuing operations — 276,707 (1 ) — — 276,706 Net cash provided by discontinued operations — — — 28,876 — 28,876 Net cash provided by (used in) operating activities — 276,707 (1 ) 28,876 — 305,582 Investing Activities Property additions — (135,339 ) — — — (135,339 ) Proceeds from sale of assets — 376 — — — 376 Other investing activities - net — (10,631 ) — — — (10,631 ) Sales proceeds — — — 1,097 — 1,097 Other — — — (4,918 ) — (4,918 ) Net cash required by investing activities — (145,594 ) — (3,821 ) — (149,415 ) Financing Activities Purchase of treasury stock (51,348 ) — — — — (51,348 ) Repayments of long-term debt — (70,000 ) — — — (70,000 ) Additions to long-term debt — — — — — — Debt issuance costs — (875 ) — — — (875 ) Amounts related to share-based compensation — (580 ) — — — (580 ) Net distributions to parent 51,348 (27,236 ) 1 (24,113 ) — — Net cash provided by (required by) financing activities — (98,691 ) 1 (24,113 ) — (122,803 ) Net increase in cash and cash equivalents — 32,422 — 942 — 33,364 Cash and cash equivalents at January 1 — 294,741 — — — 294,741 Cash and cash equivalents at December 31 $ — $ 327,163 $ — $ 942 $ — $ 328,105 Less: Cash and cash equivalents held for sale — — — 942 — 942 Cash and cash equivalents of continuing operations at December 31 $ — $ 327,163 $ — $ — $ — $ 327,163 CONSOLIDATED AND COMBINING STATEMENT OF CASH FLOW (Thousands of dollars) Year ended December 31, 2013 Operating Activities Parent Company Issuer Guarantor Subsidiaries Non-Guarantor Subsidiaries Eliminations Combined Net income (loss) $ — $ 154,136 $ (1 ) $ 80,898 $ — $ 235,033 Adjustments to reconcile net income to net cash provided by operating activities Income from discontinued operations, net of tax — — — (80,898 ) — (80,898 ) Depreciation and amortization — 74,053 — — — 74,053 Deferred and noncurrent income tax charges (credits) — (11,568 ) — — — (11,568 ) Accretion on discounted liabilities — 1,096 — — — 1,096 Pretax gains from sale of assets — (5,995 ) — — — (5,995 ) Net decrease (increase) in noncash operating working capital — 51,204 — — — 51,204 Equity in earnings — — — — — — Other operating activities - net — 13,215 — — — 13,215 Net cash provided by (used in) continuing operations — 276,141 (1 ) — — 276,140 Net cash provided by discontinued operations — — — 80,558 — 80,558 Net cash provided by (used in) operating activities — 276,141 (1 ) 80,558 — 356,698 Investing Activities Property additions — (163,303 ) — — — (163,303 ) Proceeds from sale of assets — 6,113 — — — 6,113 Other investing activities - net — 52 — — — 52 Sales proceeds — — — 173,118 — 173,118 Other — — — (3,088 ) — (3,088 ) Net cash provided by (required by) investing activities — (157,138 ) — 170,030 — 12,892 Financing Activities Purchase of treasury stock — — — — — — Repayments of long-term debt — (80,000 ) — (1,170 ) — (81,170 ) Additions to long-term debt — 641,250 — — — 641,250 Cash dividend to former parent — (650,000 ) — — — (650,000 ) Debt issuance costs — (6,693 ) — — — (6,693 ) Amounts related to share-based compensation — — — — — — Net distributions to former parent — 213,808 1 (249,418 ) — (35,609 ) Net cash provided by (required by) financing activities — 118,365 1 (250,588 ) — (132,222 ) Net increase in cash and cash equivalents — 237,368 — — — 237,368 Cash and cash equivalents at January 1 — 57,373 — — — 57,373 Cash and cash equivalents at December 31 $ — $ 294,741 $ — $ — $ — $ 294,741 Less: Cash and cash equivalents held for sale — — — — — — Cash and cash equivalents of continuing operations at December 31 $ — $ 294,741 $ — $ — $ — $ 294,741
Consolidating Statement of Changes in Equity	CONSOLIDATING STATEMENT OF CHANGES IN EQUITY (Thousands of dollars) Year ended December 31, 2015 Statement of Stockholders' Equity Parent Company Issuer Guarantor Subsidiaries Non-Guarantor Subsidiaries Eliminations Combined Common Stock Balance as of December 31, 2014 $ 468 $ 1 $ 60 $ — $ (61 ) $ 468 Issuance of common stock — — — — — — Balance as of December 31, 2015 $ 468 $ 1 $ 60 $ — $ (61 ) $ 468 Treasury Stock Balance as of December 31, 2014 $ (51,073 ) $ — $ — $ — $ — $ (51,073 ) Issuance of common stock 5,629 — — — — 5,629 Repurchase of common stock (248,695 ) — — — — (248,695 ) Balance as of December 31, 2015 $ (294,139 ) $ — $ — $ — $ — $ (294,139 ) APIC Balance as of December 31, 2014 $ 1,228,095 $ 558,611 $ 52,004 $ 35,677 $ (1,316,516 ) $ 557,871 Issuance of common stock (5,629 ) — — — — (5,629 ) Amounts related to share-based compensation — (3,075 ) — — — (3,075 ) Reclassification of equity — — — 51,866 (51,866 ) — Share-based compensation expense — 9,015 — — — 9,015 Balance as of December 31, 2015 $ 1,222,466 $ 564,551 $ 52,004 $ 87,543 $ (1,368,382 ) $ 558,182 Retained Earnings Balance as of December 31, 2014 $ 351,439 $ 351,439 $ (1 ) $ 89,525 $ (440,963 ) $ 351,439 Net income 176,340 114,861 (1 ) (22,730 ) (92,130 ) 176,340 Balance as of December 31, 2015 $ 527,779 $ 466,300 $ (2 ) $ 66,795 $ (533,093 ) $ 527,779 CONSOLIDATING STATEMENTS OF CHANGES IN EQUITY (Thousands of dollars) Year ended December 31, 2014 Statement of Stockholders' Equity Parent Company Issuer Guarantor Subsidiaries Non-Guarantor Subsidiaries Eliminations Combined Common Stock Balance as of December 31, 2013 $ 467 $ 1 $ 60 $ — $ (61 ) $ 467 Issuance of common stock 1 — — — — 1 Balance as of December 31, 2014 $ 468 $ 1 $ 60 $ — $ (61 ) $ 468 Treasury Stock Balance as of December 31, 2013 $ — $ — $ — $ — $ — $ — Issuance of common stock 275 — — — — 275 Repurchase of common stock (51,348 ) — — — — (51,348 ) Balance as of December 31, 2014 $ (51,073 ) $ — $ — $ — $ — $ (51,073 ) APIC Balance as of December 31, 2013 $ 1,228,370 $ 548,758 $ 52,004 $ 35,677 $ (1,316,516 ) $ 548,293 Issuance of common stock (275 ) — — — — (275 ) Amounts related to share-based compensation — (582 ) — — — (582 ) Share-based compensation expense — 10,435 — — — 10,435 Balance as of December 31, 2014 $ 1,228,095 $ 558,611 $ 52,004 $ 35,677 $ (1,316,516 ) $ 557,871 Retained Earnings Balance as of December 31, 2013 $ — $ 38,954 $ — $ 68,622 $ — $ 107,576 Net income 351,439 312,485 (1 ) 20,903 (440,963 ) 243,863 Balance as of December 31, 2014 $ 351,439 $ 351,439 $ (1 ) $ 89,525 $ (440,963 ) $ 351,439 CONSOLIDATED AND COMBINING STATEMENTS OF CHANGES IN EQUITY (Thousands of dollars) Year ended December 31, 2013 Statement of Stockholders' Equity/Net Parent Investment Parent Company Issuer Guarantor Subsidiaries Non-Guarantor Subsidiaries Eliminations Combined Common Stock Balance as of December 31, 2012 $ — $ — $ — $ — $ — $ — Issuance of stock at the separation and distribution 467 1 60 — (61 ) 467 Balance as of December 31, 2013 $ 467 $ 1 $ 60 $ — $ (61 ) $ 467 Treasury Stock Balance as of December 31, 2012 $ — $ — $ — $ — $ — $ — Issuance of common stock — — — — — — Repurchase of common stock — — — — — — Balance as of December 31, 2013 $ — $ — $ — $ — $ — $ — APIC Balance as of December 31, 2012 $ — $ — $ — $ — $ — $ — Issuance of stock at the separation and distribution — (467 ) — — — (467 ) Amounts related to share-based compensation — — — — — — Reclassification of net parent investment to APIC 1,228,370 546,311 52,004 35,677 (1,316,516 ) 545,846 Share-based compensation expense — 2,914 — — — 2,914 Balance as of December 31, 2013 $ 1,228,370 $ 548,758 $ 52,004 $ 35,677 $ (1,316,516 ) $ 548,293 Net Parent Investment Balance as of December 31, 2012 $ — $ 1,123,467 $ 53,895 $ 117,550 $ (190,461 ) $ 1,104,451 Net income — 114,668 — 12,789 — 127,457 Dividend paid to former parent — (650,000 ) — — — (650,000 ) Net transfers to/between former parent — (36,062 ) — — — (36,062 ) Reclassification of net parent investment to APIC — (552,073 ) (53,895 ) (130,339 ) 190,461 (545,846 ) Balance as of December 31, 2013 $ — $ — $ — $ — $ — $ — Retained Earnings Balance as of December 31, 2012 $ — $ — $ — $ — $ — $ — Net income — 38,954 — 68,622 — 107,576 Balance as of December 31, 2013 $ — $ 38,954 $ — $ 68,622 $ — $ 107,576

Supplemental Quarterly Inform47

Supplemental Quarterly Information (Tables)	12 Months Ended
	Dec. 31, 2015
Quarterly Financial Information Disclosure [Abstract]
Schedule of Quarterly Financial Information	First Second Third Fourth (Millions of dollars except per share amounts) Quarter Quarter Quarter Quarter Year Year Ended December 31, 2015 Sales and other operating revenues $ 2,920.7 $ 3,468.0 $ 3,382.5 $ 2,928.2 $ 12,699.4 Income from continuing operations before income taxes $ 40.9 $ 38.8 $ 94.1 $ 44.5 $ 218.3 Income from continuing operations $ 23.6 $ 24.8 $ 60.0 $ 29.2 $ 137.6 Net income $ 22.9 $ 26.2 $ 60.5 $ 66.7 $ 176.3 Income from continuing operations (per Common share) Basic $ 0.52 $ 0.56 $ 1.41 $ 0.70 $ 3.17 Diluted $ 0.51 $ 0.56 $ 1.40 $ 0.69 $ 3.14 Net income (per Common share) Basic $ 0.50 $ 0.59 $ 1.42 $ 1.60 $ 4.06 Diluted $ 0.50 $ 0.59 $ 1.41 $ 1.58 $ 4.02 Market price of Common stock 1 High $ 73.48 $ 73.47 $ 57.40 $ 65.09 $ 73.48 Low $ 66.82 $ 55.82 $ 48.70 $ 54.17 $ 48.70 Year Ended December 31, 2014 Sales and other operating revenues $ 4,115.5 $ 4,693.9 $ 4,622.6 $ 3,554.0 $ 16,986.0 Income from continuing operations before income taxes $ 12.6 $ 93.9 $ 91.0 $ 141.8 $ 339.3 Income from continuing operations $ 7.6 $ 64.4 $ 56.6 $ 94.4 $ 223.0 Net income $ 9.6 $ 73.2 $ 62.7 $ 98.4 $ 243.9 Income from continuing operations (per Common share) Basic $ 0.16 $ 1.39 $ 1.24 $ 2.06 $ 4.84 Diluted $ 0.16 $ 1.38 $ 1.23 $ 2.04 $ 4.81 Net income (per Common share) Basic $ 0.21 $ 1.58 $ 1.35 $ 2.15 $ 5.29 Diluted $ 0.21 $ 1.57 $ 1.35 $ 2.13 $ 5.26 Market price of Common stock 1 High $ 43.25 $ 52.34 $ 55.64 $ 69.37 $ 69.37 Low $ 37.55 $ 39.96 $ 47.26 $ 49.63 $ 37.55 1 Prices as quoted on the New York Stock Exchange. Stock first traded September 3, 2013.

Description of Business and B48

Description of Business and Basis of Presentation (Details)	Aug. 31, 2013	Aug. 30, 2013	Mar. 31, 2013USD ($)$ / sharesshares	Oct. 31, 2009gal	Dec. 31, 2015statestore$ / sharesgal	Dec. 31, 2012gal	Dec. 31, 2014$ / shares
Description of Business and Basis of Presentation [Line Items]
Percentage of shares of stock distributed		100.00%
Stock conversion ratio		0.25
Ownership interest after transaction (percent)	0.00%
Number of states in which entity operates | state					24
Number of stations | store					1,335
Common stock shares issued | shares			100
Common stock par value (in dollars per share) | $ / shares			$ 0.01		$ 0.01		$ 0.01
Proceeds from issuance of common stock | $			$ 1
North Dakota [Member]
Description of Business and Basis of Presentation [Line Items]
Per annum production capacity of facility (in gallons per year)				110,000,000		135,000,000
Texas [Member]
Description of Business and Basis of Presentation [Line Items]
Per annum production capacity of facility (in gallons per year)					105,000,000

Significant Accounting Polici49

Significant Accounting Policies (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Accounting Policies [Abstract]
Excise taxes	$ 1,968,629	$ 1,930,608	$ 1,884,035
LKE transaction, required term to facilitate forward agreement before proceeds are reclassified as available cash (in days)	180 days
Restricted cash	$ 68,571	$ 0
Pipeline And Terminal Facilities [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Depreciable life (in years)	16 years
Pipeline And Terminal Facilities [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Depreciable life (in years)	25 years
Marketing Facilities [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Depreciable life (in years)	3 years
Marketing Facilities [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Depreciable life (in years)	50 years
Nonqualified Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period (in years)	3 years
Restricted Stock And Restricted Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period (in years)	3 years

Related-Party Transactions (Det

Related-Party Transactions (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Related Party Transactions [Abstract]
Insurance, benefits and incentive plan expenses, related party	$ 0	$ 0	$ 50,975
Interest income, related party	$ 0	$ 0	$ 1,080

Discontinued Operations (Narrat

Discontinued Operations (Narrative) (Details) - USD ($) $ in Thousands	Dec. 19, 2013	Jan. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Sales proceeds			$ 93,765	$ 1,097	$ 173,118
Discontinued Operations, Disposed of by Sale [Member] | Hankinson Renewable Energy, LLC [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Sales proceeds	$ 170,000
Working capital adjustments	$ 3,118	$ 1,100
After-tax gain (loss) from disposal of refineries				$ 781	$ 52,542

Discontinued Operations (Result

Discontinued Operations (Results of Operations of Hankinson) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract]
Income (loss) from discontinued operations	$ 38,749	$ 20,903	$ 80,898
Discontinued Operations, Disposed of by Sale [Member] | Hankinson Renewable Energy, LLC [Member]
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract]
Revenues		0	366,707
Income (loss) from operations before income taxes		0	40,130
Gain on sale before income taxes		1,202	80,834
Total income (loss) from discontinued operations before taxes		1,202	120,964
Provision for income taxes		421	42,257
Income (loss) from discontinued operations		$ 781	$ 78,707

Discontinued Operations (Summar

Discontinued Operations (Summary of Results of Operations of Hereford) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract]
Income (loss) from discontinued operations	$ 38,749	$ 20,903	$ 80,898
Hereford Production Facility [Member] | Discontinued Operations, Disposed of by Sale [Member]
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract]
Ethanol sales	154,502	223,904	269,254
Total revenues	154,502	223,904	269,254
Ethanol cost of goods sold	121,753	158,276	228,899
Station and other operating expenses	27,881	34,763	33,227
Depreciation and amortization	333	147	77
Selling, general and administrative expenses	1,382	1,635	3,568
Total costs and operating expenses	151,349	194,821	265,771
Income from operations	3,153	29,083	3,483
Gain (loss) on sale of assets	60,782	0	0
Other nonoperating income (expense)	0	994	0
Total other income (expense)	60,782	994	0
Total income (loss) from discontinued operations before taxes	63,935	30,077	3,483
Income taxes	25,186	9,955	1,292
Income (loss) from discontinued operations	$ 38,749	$ 20,122	$ 2,191

Discontinued Operations (Summ54

Discontinued Operations (Summary of Assets and Liabilities) (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Carrying amount of assets included as part of discontinued operations:
Cash and cash equivalents	$ 0	$ 942	$ 0
Hereford Production Facility [Member] | Discontinued Operations, Held-for-sale [Member]
Carrying amount of assets included as part of discontinued operations:
Cash and cash equivalents		942
Accounts receivable - trade		1,625
Inventories, at lower of cost or market		25,868
Prepaid expenses and other current assets		3,062
Property, plant and equipment, net		5,043
Other assets		515
Deferred tax assets		19,273
Total assets classified as held for sale in the condensed consolidated balance sheet		56,328
Carrying amount of liabilities included as part of discontinued operations:
Trade accounts payable and accrued liabilities		5,728
Income taxes payable		7,238
Deferred income taxes, net		(41)
Total liabilities classified as held for sale in the condensed consolidated balance sheet		$ 12,925

Discontinued Operations (Cash F

Discontinued Operations (Cash Flow Information) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Net Cash Provided by (Used in) Discontinued Operations [Abstract]
Net cash provided by (used in) discontinued operating activities	$ (17,887)	$ 28,876	$ 80,558
Hereford Production Facility [Member] | Discontinued Operations, Disposed of by Sale [Member]
Net Cash Provided by (Used in) Discontinued Operations [Abstract]
Net cash provided by (used in) discontinued operating activities	(17,887)	28,741	30,810
Net cash provided by (used in) discontinued investing activities	$ 86,322	$ (4,918)	$ (1,959)

Change in Accounting Principl56

Change in Accounting Principle (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Other assets	$ 12,685	$ 10,543
Long-term debt	490,160	488,250
Previous Accounting Method [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Other assets	16,211	14,736
Long-term debt	493,686	492,443
Effect of Change in Accounting Principle [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Other assets	(3,526)	(4,193)
Long-term debt	$ (3,526)	$ (4,193)

Inventories (Narrative) (Detail

Inventories (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2015
Inventory Disclosure [Abstract]
Excess of LIFO replacement cost over carrying value	$ 144,283		$ 102,849
Increase (decrease) of Income due to LIFO impact	$ 19,512	$ (13,472)

Inventories (Summary Of Invento

Inventories (Summary Of Inventory) (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Inventory Disclosure [Abstract]
Finished products - FIFO basis	$ 159,774	$ 200,272
Less LIFO - finished products	(102,849)	(144,283)
Finished products - LIFO basis	56,925	55,989
Store merchandise for resale	94,925	98,712
Materials and supplies	4,056	2,345
Total inventories	$ 155,906	$ 157,046

Property, Plant and Equipment59

Property, Plant and Equipment (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Property, Plant and Equipment [Line Items]
Cost	$ 2,093,804	$ 1,911,148
Net	1,369,318	1,248,081
Land [Member]
Property, Plant and Equipment [Line Items]
Cost	555,198	527,158
Net	555,198	527,158
Pipeline And Terminal Facilities [Member]
Property, Plant and Equipment [Line Items]
Cost	95,244	88,447
Net	40,846	36,384
Retail Gasoline Stations [Member]
Property, Plant and Equipment [Line Items]
Cost	1,367,176	1,229,582
Net	746,747	662,954
Buildings [Member]
Property, Plant and Equipment [Line Items]
Cost	19,441	18,160
Net	8,985	8,328
Other [Member]
Property, Plant and Equipment [Line Items]
Cost	56,745	47,801
Net	$ 17,542	$ 13,257
Minimum [Member] | Pipeline And Terminal Facilities [Member]
Property, Plant and Equipment [Line Items]
Estimated useful life (in years)	16 years
Minimum [Member] | Retail Gasoline Stations [Member]
Property, Plant and Equipment [Line Items]
Estimated useful life (in years)	3 years
Minimum [Member] | Buildings [Member]
Property, Plant and Equipment [Line Items]
Estimated useful life (in years)	20 years
Minimum [Member] | Other [Member]
Property, Plant and Equipment [Line Items]
Estimated useful life (in years)	3 years
Maximum [Member] | Pipeline And Terminal Facilities [Member]
Property, Plant and Equipment [Line Items]
Estimated useful life (in years)	25 years
Maximum [Member] | Retail Gasoline Stations [Member]
Property, Plant and Equipment [Line Items]
Estimated useful life (in years)	50 years
Maximum [Member] | Buildings [Member]
Property, Plant and Equipment [Line Items]
Estimated useful life (in years)	45 years
Maximum [Member] | Other [Member]
Property, Plant and Equipment [Line Items]
Estimated useful life (in years)	20 years

Accounts Payable And Accrued 60

Accounts Payable And Accrued Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Payables and Accruals [Abstract]
Trade accounts payable	$ 226,769	$ 227,113
Excise taxes/withholdings payable	75,704	71,273
Accrued insurance obligations	23,347	19,280
Other	64,521	63,605
Accounts payable and accrued liabilities	$ 390,341	$ 381,271

Long-Term Debt (Narrative) (Det

Long-Term Debt (Narrative) (Details)	Aug. 30, 2013USD ($)	Dec. 31, 2015USD ($)	Dec. 31, 2014USD ($)	Dec. 31, 2013USD ($)	Aug. 14, 2013USD ($)
Debt Instrument [Line Items]
Senior notes		$ 493,308,000	$ 492,443,000		$ 500,000,000
Cash dividend to former parent		$ 0	$ 0	$ 650,000,000
Fixed charge coverage ratio		0.59
Fixed charge coverage ratio threshold, percentage of aggregate facility commitments and borrowing base		17.50%
Fixed charge coverage ratio threshold, amount of aggregate facility commitments and borrowing base		$ 70,000,000
Dividend restrictions		After giving effect to the applicable restrictions on certain payments, which could include dividends under the credit agreement (which restrictions are only applicable when availability under the credit agreement does not exceed the greater of 25% of the lesser of the revolving commitments and the borrowing base and $100 million (and if availability under the credit agreement does not exceed the greater of 40% of the lesser of the revolving commitments and the borrowing base and $150 million, then our fixed charge coverage ratio must be at least 1.0 to 1.0)) and the indenture, and subject to compliance with applicable law.  As of December 31, 2014, the Company had approximately $107.5 million of its net income and retained earnings free of such restrictions.
Net income and retained earnings free of restrictions, excess (deficit) of		$ (245,700,000)
Asset-Based Loan Facility [Member]
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity	$ 450,000,000
Debt outstanding		$ 0
Term Facility [Member]
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity	150,000,000
Proceeds borrowed from credit facility	150,000,000
Asset Based Loan Facility Second Amendment [Member]
Debt Instrument [Line Items]
Maturity date		Sep. 2, 2019
Incremental Facility [Member]
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity	$ 200,000,000
Swing Line [Member]
Debt Instrument [Line Items]
Line of credit facility, sublimit		$ 75,000,000
Letter Of Credit [Member]
Debt Instrument [Line Items]
Line of credit facility, sublimit		$ 200,000,000
Cash [Member]
Debt Instrument [Line Items]
Percentage of asset available to borrow against		100.00%
Credit Card Receivables [Member]
Debt Instrument [Line Items]
Percentage of asset available to borrow against		90.00%
Investment Grade Accounts [Member]
Debt Instrument [Line Items]
Percentage of asset available to borrow against		90.00%
Other Accounts [Member]
Debt Instrument [Line Items]
Percentage of asset available to borrow against		85.00%
Midstream Refined Products Inventory [Member]
Debt Instrument [Line Items]
Percentage of asset available to borrow against		80.00%
Refined Retail Products Inventory [Member]
Debt Instrument [Line Items]
Percentage of asset available to borrow against		75.00%
Retail Merchandise Inventory [Member]
Debt Instrument [Line Items]
Percentage of asset available to borrow against		70.00%
Percentage of net orderly liquidation value available to borrow against		85.00%
Federal Funds Rate [Member]
Debt Instrument [Line Items]
Spread over variable rate (percent)		0.50%
LIBOR [Member]
Debt Instrument [Line Items]
Spread over variable rate (percent)		1.00%
Interest period one (in months)		1 month
Interest period two (in months)		2 months
Interest period three (in months)		3 months
Interest period four (in months)		6 months
Minimum [Member]
Debt Instrument [Line Items]
Fixed charge coverage ratio		1
Period for fixed charge coverage ratio threshold (in days)		3 days
Dividend restriction threshold as a percentage of revolving commitments and borrowing base		25.00%
Dividend restriction threshold as amount of availability		$ 100,000,000
Dividend restriction, fixed charge coverage ratio		1
Minimum [Member] | LIBOR [Member] | Asset-Based Loan Facility [Member]
Debt Instrument [Line Items]
Spread over variable rate (percent)		1.50%
Minimum [Member] | LIBOR [Member] | Term Facility [Member]
Debt Instrument [Line Items]
Spread over variable rate (percent)		2.75%
Minimum [Member] | Alternative Base Rate [Member] | Asset-Based Loan Facility [Member]
Debt Instrument [Line Items]
Spread over variable rate (percent)		0.50%
Minimum [Member] | Alternative Base Rate [Member] | Term Facility [Member]
Debt Instrument [Line Items]
Spread over variable rate (percent)		1.75%
Maximum [Member]
Debt Instrument [Line Items]
Secured debt to EBITDA ratio		450.00%
Dividend restriction threshold as a percentage of revolving commitments and borrowing base with consideration of fixed charge coverage ratio		40.00%
Dividend restriction threshold as amount of availability with consideration of fixed charge coverage ratio		$ 150,000,000
Maximum [Member] | LIBOR [Member] | Asset-Based Loan Facility [Member]
Debt Instrument [Line Items]
Spread over variable rate (percent)		2.00%
Maximum [Member] | LIBOR [Member] | Term Facility [Member]
Debt Instrument [Line Items]
Spread over variable rate (percent)		3.00%
Maximum [Member] | Alternative Base Rate [Member] | Asset-Based Loan Facility [Member]
Debt Instrument [Line Items]
Spread over variable rate (percent)		1.00%
Maximum [Member] | Alternative Base Rate [Member] | Term Facility [Member]
Debt Instrument [Line Items]
Spread over variable rate (percent)		2.00%
Senior Notes [Member]
Debt Instrument [Line Items]
Interest rate (percent)					6.00%

Long-Term Debt (Summary of Long

Long-Term Debt (Summary of Long-Term Debt) (Details) - USD ($)	Dec. 31, 2015	Dec. 31, 2014	Aug. 14, 2013
Debt Instrument [Line Items]
6% senior notes due 2023 (net of unamortized discount of $6,692 at 2015 and $7,557 at 2014)	$ 493,308,000	$ 492,443,000	$ 500,000,000
Less unamortized debt issuance costs	(3,526,000)	(4,193,000)
Total notes payable, net	489,782,000	488,250,000
Capitalized lease obligations, vehicles, due through 2018	600,000	0
Less current maturities	(222,000)	0
Long-term debt	490,160,000	488,250,000
Senior Notes [Member]
Debt Instrument [Line Items]
Interest rate (percent)			6.00%
Unamortized Discount	$ 6,692,000	$ 7,557,000
Senior Notes [Member] | 6% Senior Notes Due 2023 [Member]
Debt Instrument [Line Items]
Interest rate (percent)	6.00%	6.00%

Asset Retirement Obligations 63

Asset Retirement Obligations (ARO) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Asset Retirement Obligation Roll Forward
Balance at beginning of period	$ 22,245	$ 17,130
Accretion expense	1,521	1,200	$ 1,096
Liabilities incurred	579	3,915
Balance at end of period	$ 24,345	$ 22,245	$ 17,130

Income Taxes (Narrative) (Detai

Income Taxes (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Income Tax Contingency [Line Items]
Income tax expense, net benefits for interest and penalties	$ 651	$ 1,143	$ 0
Domestic Tax Authority [Member]
Income Tax Contingency [Line Items]
Earliest year remaining open for audit and/or settlement in major taxing jurisdictions	2,012
State and Local Jurisdiction [Member] | Minimum [Member]
Income Tax Contingency [Line Items]
Earliest year remaining open for audit and/or settlement in major taxing jurisdictions	2,008
State and Local Jurisdiction [Member] | Maximum [Member]
Income Tax Contingency [Line Items]
Earliest year remaining open for audit and/or settlement in major taxing jurisdictions	2,011

Income Taxes (Schedule Of Compo

Income Taxes (Schedule Of Components Of Income From Continuing Operations Before Income Taxes And Income Tax Expense (Benefit)) (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Income Tax Disclosure [Abstract]
Income (loss) from continuing operations before income taxes	$ 44,500	$ 94,100	$ 38,800	$ 40,900	$ 141,800	$ 91,000	$ 93,900	$ 12,600	$ 218,289	$ 339,346	$ 254,194
Federal - Current									58,039	119,338	92,828
Federal - Deferred									15,853	(382)	(9,067)
State - Current and deferred									6,806	(2,570)	16,298
Total									$ 80,698	$ 116,386	$ 100,059

Income Taxes (Schedule Of Recon

Income Taxes (Schedule Of Reconciliation Of Income Taxes To Statutory Rate) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Income Tax Disclosure [Abstract]
Income tax expense based on the U.S. statutory tax rate	$ 76,401	$ 118,771	$ 88,968
State income taxes, net of federal benefit	4,424	(1,671)	10,594
Other, net	(127)	(714)	497
Total	$ 80,698	$ 116,386	$ 100,059

Income Taxes (Summary Of Deferr

Income Taxes (Summary Of Deferred Tax Assets And Deferred Tax Liabilities) (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Deferred tax assets
Property costs and asset retirement obligations	$ 2,666	$ 2,157
Employee benefits	9,647	9,712
Other deferred tax assets	7,297	8,995
Total gross deferred tax assets	19,610	20,864
Less valuation allowance	0	0
Net deferred tax assets	19,610	20,864
Deferred tax liabilities
Accumulated depreciation and amortization	(157,322)	(133,535)
State deferred taxes	(17,042)	(16,855)
Other deferred tax liabilities	(8,211)	(8,837)
Total gross deferred tax liabilities	(182,575)	(159,227)
Net deferred tax liabilities	$ (162,965)	$ (138,363)

Income Taxes (Reconciliation of

Income Taxes (Reconciliation of Beginning and Ending Liability For Uncertain Tax Positions) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Balance at January 1	$ 6,101	$ 0
Additions for tax positions related to prior year	222	10,086
Additions for tax positions related to current year	0	77
Settlements with taxing authorities	0	(1,563)
Expiration of statutes of limitation	(873)	(2,499)
Balance at December 31	$ 5,450	$ 6,101

Incentive Plans (Narrative) (De

Incentive Plans (Narrative) (Details)	12 Months Ended			28 Months Ended
	Dec. 31, 2015USD ($)plan$ / sharescompanyshares	Dec. 31, 2014USD ($)shares	Dec. 31, 2013USD ($)$ / sharesshares	Dec. 31, 2015USD ($)plancompanyshares	Feb. 12, 2014shares	Aug. 30, 2013shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of share based compensation plans | plan	2			2
Shares granted	72,350	127,400
Unrecognized compensation cost related to stock option awards | $	$ 12,934,000			$ 12,934,000
Unrecognized compensation cost related to stock option awards, weighted average period for recognition (in years)	2 years 3 months 18 days
Related income tax benefit recognized in income | $	$ 3,155,000	$ 3,652,000	$ 3,287,000
Total income tax benefits realized from tax deductions related to stock option exercises under share-based payment arrangements | $	$ 3,109,000	$ 470,000
2013 Long-Term Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum number of shares authorized for incentive plan					5,500,000	10,000,000
Maximum number of shares per employee	1,000,000
Maximum amount payable | $	$ 5,000,000
Shares granted				1,563,828
Shares available for grant	4,074,288			4,074,288
2013 Stock Plan For Non-Employee Directors [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum number of shares authorized for incentive plan	500,000			500,000
Award vesting period (in years)	3 years
Shares available for grant	436,226			436,226
Restricted stock units issued				63,774
2013 Stock Plan For Non-Employee Directors [Member] | Restricted Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock units issued	12,924	22,437	28,413
MUSA 2013 Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock units issued	55,450	93,025	352,522
Option term (in years)	7 years
MUSA 2013 Plan [Member] | Restricted Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period (in years)	3 years
MUSA 2013 Plan [Member] | Performance Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock units issued	40,400	78,500
MUSA 2013 Plan [Member] | Return On Average Capital Employed Performance Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period (in years)	3 years
Restricted stock units issued, weighted average grant date fair value (in dollars per share) | $ / shares	$ 70.57
MUSA 2013 Plan [Member] | Total Shareholder Return Performance Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period (in years)	3 years
Number of companies in total shareholder return peer comparison group | company	16			16
Restricted stock units issued, weighted average grant date fair value (in dollars per share) | $ / shares	$ 100.33
Murphy Oil [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period (in years)	2 years
Related income tax benefit recognized in income | $	$ 0	$ 0	$ 625,000
Minimum grant date fair value of options replaced (in dollars per share) | $ / shares			$ 32.53
Maximum grant date fair value of options replaced (in dollars per share) | $ / shares			$ 40.25

Incentive Plans (Schedule of Sh

Incentive Plans (Schedule of Share-Based Plan Amounts Recognized) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Compensation charged against income before income tax benefit	$ 9,015	$ 10,435	$ 9,391
Related income tax benefit recognized in income	$ 3,155	$ 3,652	$ 3,287

Incentive Plans (Summary of Val

Incentive Plans (Summary of Valuation Assumptions) (Details) - $ / shares	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2012	Dec. 31, 2011
Murphy Oil Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected volatility, minimum			37.00%	37.00%
Expected volatility, maximum			39.62%	39.62%
Risk-free interest rate, minimum			0.55%	0.55%
Risk-free interest rate, maximum			2.10%	2.10%
MUSA 2013 Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Fair value per option grant (in dollars per share)	$ 20.18	$ 11.44
Dividend yield	0.00%	0.00%
Expected volatility	29.30%	31.70%
Risk-free interest rate	1.52%	1.37%
Expected life (in years)	5 years	4 years 7 months 6 days
Minimum [Member] | Murphy Oil Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Fair value per option grant (in dollars per share)			$ 12.37	$ 12.37
Dividend yield			1.80%	1.80%
Expected life (in years)			4 years	4 years
Maximum [Member] | Murphy Oil Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Fair value per option grant (in dollars per share)			$ 20.34	$ 20.34
Dividend yield			2.27%	2.27%
Expected life (in years)			5 years 2 months 12 days	5 years 2 months 12 days

Incentive Plans (Summary of Cha

Incentive Plans (Summary of Changes in Stock Options Outstanding) (Details)	12 Months Ended
	Dec. 31, 2015$ / sharesshares	Dec. 31, 2014$ / sharesshares
Number of Shares
Beginning balance | shares	660,635	621,149
Granted at FMV | shares	72,350	127,400
Exercised | shares	(236,620)	(74,766)
Forfeited | shares	(30,609)	(13,148)
Ending balance | shares	465,756	660,635
Average Exercise Price (in dollars per share)
Beginning balance | $ / shares	$ 36	$ 35.13
Granted at FMV | $ / shares	70.57	39.46
Exercised | $ / shares	33.80	34.21
Forfeited | $ / shares	40.21	38.36
Ending balance | $ / shares	$ 42.22	$ 36
Exercisable (in shares) | shares	127,077	88,445
Shares exercisable, average exercise price (in dollars per share) | $ / shares	$ 36.71	$ 34.54

Incentive Plans (Summary of Add

Incentive Plans (Summary of Additional Stock Option Information) (Details)	12 Months Ended
	Dec. 31, 2015USD ($)$ / sharesshares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options outstanding | shares	465,756
Options outstanding, average remaining life (in years)	4 years 6 months 18 days
Options outstanding, aggregate intrinsic value | $	$ 9,311,711
Options exercisable | shares	127,077
Options exercisable, average remaining life (in years)	3 years 8 months 23 days
Options exercisable, aggregate intrinsic value | $	$ 3,053,997
$32.53 to $37.06 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Lower range limit of exercise price (in dollars per share) | $ / shares	$ 32.53
Upper range limit of exercise price (in dollars per share) | $ / shares	$ 37.06
Options outstanding | shares	171,592
Options outstanding, average remaining life (in years)	3 years 10 months 20 days
Options outstanding, aggregate intrinsic value | $	$ 4,614,797
Options exercisable | shares	62,213
Options exercisable, average remaining life (in years)	3 years 6 months 12 days
Options exercisable, aggregate intrinsic value | $	$ 1,707,361
$37.07 to $39.45 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Lower range limit of exercise price (in dollars per share) | $ / shares	$ 37.07
Upper range limit of exercise price (in dollars per share) | $ / shares	$ 39.45
Options outstanding | shares	5,615
Options outstanding, average remaining life (in years)	2 years 2 days
Options outstanding, aggregate intrinsic value | $	$ 132,891
Options exercisable | shares	5,615
Options exercisable, average remaining life (in years)	2 years 2 days
Options exercisable, aggregate intrinsic value | $	$ 132,891
$39.46 to $40.25 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Lower range limit of exercise price (in dollars per share) | $ / shares	$ 39.46
Upper range limit of exercise price (in dollars per share) | $ / shares	$ 40.25
Options outstanding | shares	218,899
Options outstanding, average remaining life (in years)	4 years 7 months 14 days
Options outstanding, aggregate intrinsic value | $	$ 4,564,023
Options exercisable | shares	59,249
Options exercisable, average remaining life (in years)	4 years 1 month 5 days
Options exercisable, aggregate intrinsic value | $	$ 1,213,745
$40.26 to $70.57 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Lower range limit of exercise price (in dollars per share) | $ / shares	$ 40.26
Upper range limit of exercise price (in dollars per share) | $ / shares	$ 70.57
Options outstanding | shares	69,650
Options outstanding, average remaining life (in years)	6 years 1 month 13 days
Options outstanding, aggregate intrinsic value | $	$ 0
Options exercisable | shares	0
Options exercisable, average remaining life (in years)	0 years
Options exercisable, aggregate intrinsic value | $	$ 0

Incentive Plans (Summary of Res

Incentive Plans (Summary of Restricted Stock Unit Activity) (Details) - shares	12 Months Ended			28 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2015
MUSA 2013 Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Beginning balance	397,015	347,098	0
Granted	55,450	93,025	352,522
Vested and issued	(66,116)	(20,680)	(509)
Forfeited	(30,049)	(22,428)	(4,915)
Ending balance	356,300	397,015	347,098	356,300
MUSA 2013 Plan [Member] | Performance Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Beginning balance	72,000	0
Granted	40,400	78,500
Vested and issued	0	0
Forfeited	(10,006)	(6,500)
Ending balance	102,394	72,000	0	102,394
2013 Stock Plan For Non-Employee Directors [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Granted				63,774
2013 Stock Plan For Non-Employee Directors [Member] | Restricted Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Beginning balance	50,850	28,413	0
Granted	12,924	22,437	28,413
Vested and issued	0	0	0
Forfeited	0	0	0
Ending balance	63,774	50,850	28,413	63,774

Employee and Retiree Benefit 75

Employee and Retiree Benefit Plans (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Thrift Plan [Member]
Defined Contribution Plan Disclosure [Line Items]
Company matching contribution (percent)	100.00%
Employee's maximum contribution matched by Company (percent)	6.00%
Profit sharing percentage 1	5.00%
Profit sharing percentage 2	7.00%
Profit sharing percentage 3	9.00%
Profit sharing contributions	$ 9,216	$ 8,879	$ 4,567
Profit Sharing Plan [Member]
Defined Contribution Plan Disclosure [Line Items]
Profit sharing contributions	$ 1,848	$ 1,848	$ 1,861

Financial Instruments and Ris76

Financial Instruments and Risk Management (Details) - USD ($) $ in Millions	Dec. 31, 2015	Dec. 31, 2014
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Cash deposits related to commodity derivative contracts	$ 1.6	$ 2.8

Earnings Per Share (Narrative)

Earnings Per Share (Narrative) (Details) - USD ($)	Aug. 30, 2013	May. 31, 2014	Dec. 31, 2015	Dec. 31, 2014
Equity, Class of Treasury Stock [Line Items]
Issuance of stock at the separation and distribution, shares	46,743,316
Stock repurchase program, shares acquired			5,088,434	1,056,689
May 2014 Share Repurchase Program [Member]
Equity, Class of Treasury Stock [Line Items]
Stock repurchase program, approved amount		$ 50,000,000
Stock repurchase program, shares acquired		1,040,636
Stock repurchase program, average price per share (in dollars per share)		$ 48.07
Two Hundred Fifty Million Dollar Share Repurchase Program [Member]
Equity, Class of Treasury Stock [Line Items]
Stock repurchase program, approved amount			$ 250,000,000
Stock repurchase program, shares acquired			4,196,349
Stock repurchase program, average price per share (in dollars per share)			$ 59.58

Earnings Per Share (Reconciliat

Earnings Per Share (Reconciliation of Basic and Diluted Earnings Per Share Computations) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Earnings Per Share [Abstract]
Income from continuing operations	$ 29,200	$ 60,000	$ 24,800	$ 23,600	$ 94,400	$ 56,600	$ 64,400	$ 7,600	$ 137,591	$ 222,960	$ 154,135
Income (loss) from discontinued operations, net of income taxes									38,749	20,903	80,898
Net Income	$ 66,700	$ 60,500	$ 26,200	$ 22,900	$ 98,400	$ 62,700	$ 73,200	$ 9,600	$ 176,340	$ 243,863	$ 235,033
Earnings per share - basic:
Income (loss) from continuing operations (in dollars per share)	$ 0.70	$ 1.41	$ 0.56	$ 0.52	$ 2.06	$ 1.24	$ 1.39	$ 0.16	$ 3.17	$ 4.84	$ 3.30
Income (loss) from discontinued operations (in dollars per share)									0.89	0.45	1.73
Net income - basic (in dollars per share)	1.60	1.42	0.59	0.50	2.15	1.35	1.58	0.21	$ 4.06	$ 5.29	$ 5.03
Weighted-average shares outstanding (in thousands):
Weighted average common shares outstanding (in shares)									43,434	46,104	46,743
Dilutive options (in shares)									360	313	115
Weighted average common shares outstanding - assuming dilution (in shares)									43,794	46,417	46,858
Earnings per share - diluted:
Income from continuing operations (in dollars per share)	0.69	1.40	0.56	0.51	2.04	1.23	1.38	0.16	$ 3.14	$ 4.81	$ 3.29
Income (loss) from discontinued operations (in dollars per share)									0.88	0.45	1.73
Net income - diluted (in dollars per share)	$ 1.58	$ 1.41	$ 0.59	$ 0.50	$ 2.13	$ 1.35	$ 1.57	$ 0.21	$ 4.02	$ 5.26	$ 5.02

Other Financial Information (Na

Other Financial Information (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Other Financial Information [Abstract]
Income taxes paid, net of refunds	$ 113,520	$ 158,063	$ 47,757
Interest paid	$ 31,798	$ 34,019	1,647
Noncash reductions to net parent investment related to settlement of income taxes			$ 453

Other Financial Information (Sc

Other Financial Information (Schedule Of Ethanol Sales And Other Revenue) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Other Financial Information [Abstract]
Renewable Identification Numbers (RINs) sales	$ 117,513	$ 92,916	$ 91,391
Other	3,321	3,193	2,907
Total other operating revenue	$ 120,834	$ 96,109	$ 94,298

Other Financial Information (Su

Other Financial Information (Summary Of Changes In Operating Working Capital) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Other Financial Information [Abstract]
Accounts receivable	$ 2,857	$ 59,519	$ 325,063
Inventories	1,121	750	4,011
Prepaid expenses and other current assets	(27,107)	477	(7,755)
Accounts payable and accrued liabilities	1,043	(53,234)	(271,379)
Income taxes payable	(25,599)	(37,325)	6,892
Current deferred income tax liabilities	1,099	(6,662)	(5,628)
Net decrease (increase) in noncash operating working capital	$ (46,586)	$ (36,475)	$ 51,204

Assets and Liabilities Measur82

Assets and Liabilities Measure at Fair Value (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Fair Value Disclosures [Abstract]
Current and long-term debt, carrying value	$ (490,382)	$ (488,250)
Current and long-term debt, fair value	$ (511,916)	$ (510,344)

Commitments (Details)

Commitments (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Commitments and Contingencies Disclosure [Abstract]
Expected future rental payments under operating leases in 2016	$ 23,642
Expected future rental payments under operating leases in 2017	10,079
Expected future rental payments under operating leases in 2018	9,658
Expected future rental payments under operating leases in 2019	9,704
Expected future rental payments under operating leases in 2020	9,519
Rental expense for noncancelable operating leases	22,418	$ 8,528	$ 7,139
Operating lease expense related to discontinued operations	2,660	$ 2,905	$ 9,641
Capital Addition Purchase Commitments [Member]
Other Commitments [Line Items]
Commitments for capital expenditures	220,630
Construction in Progress [Member]
Other Commitments [Line Items]
Commitments for capital expenditures	179,900
Building Improvements [Member]
Other Commitments [Line Items]
Commitments for capital expenditures	$ 6,052

Contingencies (Details)

Contingencies (Details)	12 Months Ended
	Dec. 31, 2015USD ($)site
Commitments and Contingencies Disclosure [Abstract]
Number of Superfund sites for which company may be liable | site	1
Name of plaintiff	Freeny
Parties jointly and severally liable in litigation	Murphy Oil Corporation and Murphy Oil USA, Inc.
Allegations	the plaintiffs allege that the Company has infringed on their electronic pricing system patent.
Trial or alternative dispute resolution	At trial, and before any judgment was entered for any party, a settlement was reached between the parties and the case was dismissed. The settlement agreement resulted in the Company paying an immaterial amount to the plaintiffs for a license to use their patents for past and future periods
Workers' compensation deductible (per occurrence)	$ 1,000,000
Workers' compensation accrued liability	18,000,000
Outstanding letters of credit	17,800,000
Liability accrued	$ 0

Business Segments (Summary of I

Business Segments (Summary of Information by Business Segment) (Details) $ in Thousands	3 Months Ended								9 Months Ended	12 Months Ended
	Dec. 31, 2015USD ($)	Sep. 30, 2015USD ($)	Jun. 30, 2015USD ($)	Mar. 31, 2015USD ($)	Dec. 31, 2014USD ($)	Sep. 30, 2014USD ($)	Jun. 30, 2014USD ($)	Mar. 31, 2014USD ($)	Sep. 30, 2015segment	Dec. 31, 2015USD ($)	Dec. 31, 2014USD ($)	Dec. 31, 2013USD ($)
Segment Reporting [Abstract]
Number of operating segments | segment									1
Segment Reporting Information [Line Items]
Net income	$ 66,700	$ 60,500	$ 26,200	$ 22,900	$ 98,400	$ 62,700	$ 73,200	$ 9,600		$ 176,340	$ 243,863	$ 235,033
Revenues from external customers	2,928,200	$ 3,382,500	$ 3,468,000	$ 2,920,700	3,554,000	$ 4,622,600	$ 4,693,900	$ 4,115,500		12,699,411	16,986,014	17,814,081
Interest income										2,177	244	1,099
Interest expense										(33,531)	(36,646)	(14,509)
Income tax expense (benefit)										80,698	116,386	100,059
Depreciation and amortization										86,568	79,087	74,053
Accretion of asset retirement obligations										1,521	1,200	1,096
Deferred and noncurrent income taxes (benefits)										40,556	(4,403)	(11,568)
Additions to property, plant and equipment										215,568	138,888	171,972
Total assets at year-end	1,886,241				1,949,337					1,886,241	1,949,337	1,888,564
Segment Discontinued Operations [Member]
Segment Reporting Information [Line Items]
Net income										38,749	20,903	80,898
Revenues from external customers										0	0	0
Interest income										0	0	0
Interest expense										0	0	0
Income tax expense (benefit)										0	0	0
Depreciation and amortization										0	0	0
Accretion of asset retirement obligations										0	0	0
Deferred and noncurrent income taxes (benefits)										0	0	0
Additions to property, plant and equipment										3,720	3,549	1,752
Total assets at year-end	0				56,328					0	56,328	41,158
Operating Segments [Member] | Marketing [Member] | Segment Continuing Operations [Member]
Segment Reporting Information [Line Items]
Net income										159,796	242,434	164,013
Revenues from external customers										12,699,125	16,985,903	17,814,081
Interest income										0	0	0
Interest expense										(20)	0	0
Income tax expense (benefit)										95,657	127,657	106,223
Depreciation and amortization										81,349	74,906	71,253
Accretion of asset retirement obligations										1,521	1,200	1,096
Deferred and noncurrent income taxes (benefits)										42,593	368	(9,796)
Additions to property, plant and equipment										202,371	131,139	162,051
Total assets at year-end	1,727,131				1,544,018					1,727,131	1,544,018	1,527,125
Corporate, Non-Segment [Member] | Segment Continuing Operations [Member]
Segment Reporting Information [Line Items]
Net income										(22,205)	(19,474)	(9,878)
Revenues from external customers										286	111	0
Interest income										2,177	244	1,099
Interest expense										(33,511)	(36,646)	(14,509)
Income tax expense (benefit)										(14,959)	(11,271)	(6,164)
Depreciation and amortization										5,219	4,181	2,800
Accretion of asset retirement obligations										0	0	0
Deferred and noncurrent income taxes (benefits)										(2,037)	(4,771)	(1,772)
Additions to property, plant and equipment										9,477	4,200	8,169
Total assets at year-end	$ 159,110				$ 348,991					$ 159,110	$ 348,991	$ 320,281

Subsequent Events (unaudited) (

Subsequent Events (unaudited) (Details)	Feb. 05, 2016USD ($)	Dec. 31, 2015	Feb. 03, 2016USD ($)refinery	Jan. 25, 2016USD ($)capital_program
LIBOR [Member]
Subsequent Event [Line Items]
Spread over variable rate (percent)		1.00%
Loans Payable [Member] | Term Credit Agreement [Member] | Subsequent Event [Member]
Subsequent Event [Line Items]
Principal amount	$ 100,000,000
Quarterly installment payments, quarterly amortization rate (percent)	5.00%
Loans Payable [Member] | LIBOR [Member] | Term Credit Agreement [Member] | Subsequent Event [Member]
Subsequent Event [Line Items]
Spread over variable rate (percent)	3.00%
January 2016 Share Repurchase Program [Member] | Subsequent Event [Member]
Subsequent Event [Line Items]
Capital expenditure and stock repurchase program, authorized amount				$ 500,000,000
Number of capital expenditure and stock repurchase programs | capital_program				2
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | CAM Pipeline System [Member] | Subsequent Event [Member]
Subsequent Event [Line Items]
Consideration			$ 85,000,000
Number of refineries receiving crude oil via pipeline | refinery			3

Guarantor Subsidiaries (Narrati

Guarantor Subsidiaries (Narrative) (Details)	Aug. 14, 2013
Senior Notes [Member]
Debt Instrument [Line Items]
Interest rate (percent)	6.00%

Guarantor Subsidiaries (Consoli

Guarantor Subsidiaries (Consolidating Balance Sheet) (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Current assets
Cash and cash equivalents	$ 102,335	$ 327,163	$ 294,741
Accounts receivable—trade, less allowance for doubtful accounts of $1,963 in 2015 and $4,456 in 2014	136,253	138,466
Inventories, at lower of cost or market	155,906	157,046
Prepaid expenses and other current assets	41,173	11,710
Current assets held for sale	0	56,328
Total current assets	435,667	690,713
Property, plant and equipment, at cost less accumulated depreciation and amortization of $724,486 in 2015 and $663,067 in 2014	1,369,318	1,248,081
Restricted cash	68,571	0
Investments in subsidiaries	0	0
Other assets	12,685	10,543
Deferred tax assets	0	0
Noncurrent assets held for sale	0	0
Total assets	1,886,241	1,949,337	1,888,564
Current liabilities
Current maturities of long-term debt	222	0
Inter-company accounts payable	0	0
Trade accounts payable and accrued liabilities	390,341	381,271
Income taxes payable	0	18,362
Deferred income taxes	1,729	522
Current liabilities held for sale	0	12,925
Total current liabilities	392,292	413,080
Long-term debt, including capitalized lease obligations	490,160	488,250
Deferred income taxes	161,236	137,882
Asset retirement obligations	24,345	22,245
Deferred credits and other liabilities	25,918	29,175
Total liabilities	1,093,951	1,090,632
Stockholders' Equity
Preferred Stock, par $0.01 (authorized 20,000,000 shares, none outstanding)	0	0
Common Stock, par $0.01, (authorized 200,000,000 shares, 46,767,164 issued and 46,767,164 shares issued and outstanding at 2015 and 2014, respectively)	468	468
Treasury stock (5,088,434 and 1,056,689 shares held at December 31, 2015 and December 31, 2014, respectively)	(294,139)	(51,073)
Additional paid in capital (APIC)	558,182	557,871
Retained earnings	527,779	351,439
Total stockholders' equity	792,290	858,705	656,336	$ 1,104,451
Total liabilities and stockholders' equity	1,886,241	1,949,337
Eliminations [Member]
Current assets
Cash and cash equivalents	0	0	0
Accounts receivable—trade, less allowance for doubtful accounts of $1,963 in 2015 and $4,456 in 2014	0	0
Inventories, at lower of cost or market	0	0
Prepaid expenses and other current assets	0	0
Current assets held for sale	0	0
Total current assets	0	0
Property, plant and equipment, at cost less accumulated depreciation and amortization of $724,486 in 2015 and $663,067 in 2014	0	0
Restricted cash	0
Investments in subsidiaries	(1,901,538)	(1,757,540)
Other assets	0	0
Deferred tax assets	0	0
Noncurrent assets held for sale	0	0
Total assets	(1,901,538)	(1,757,540)
Current liabilities
Current maturities of long-term debt	0	0
Inter-company accounts payable	0	0
Trade accounts payable and accrued liabilities	0	0
Income taxes payable	0	0
Deferred income taxes	0	0
Current liabilities held for sale	0	0
Total current liabilities	0	0
Long-term debt, including capitalized lease obligations	0	0
Deferred income taxes	0	0
Asset retirement obligations	0	0
Deferred credits and other liabilities	0	0
Total liabilities	0	0
Stockholders' Equity
Preferred Stock, par $0.01 (authorized 20,000,000 shares, none outstanding)	0	0
Common Stock, par $0.01, (authorized 200,000,000 shares, 46,767,164 issued and 46,767,164 shares issued and outstanding at 2015 and 2014, respectively)	(61)	(61)
Treasury stock (5,088,434 and 1,056,689 shares held at December 31, 2015 and December 31, 2014, respectively)	0	0
Additional paid in capital (APIC)	(1,368,384)	(1,316,516)
Retained earnings	(533,093)	(440,963)
Total stockholders' equity	(1,901,538)	(1,757,540)
Total liabilities and stockholders' equity	(1,901,538)	(1,757,540)
Parent Company [Member]
Current assets
Cash and cash equivalents	0	0	0
Accounts receivable—trade, less allowance for doubtful accounts of $1,963 in 2015 and $4,456 in 2014	0	0
Inventories, at lower of cost or market	0	0
Prepaid expenses and other current assets	0	0
Current assets held for sale	0	0
Total current assets	0	0
Property, plant and equipment, at cost less accumulated depreciation and amortization of $724,486 in 2015 and $663,067 in 2014	0	0
Restricted cash	0
Investments in subsidiaries	1,756,617	1,580,277
Other assets	0	0
Deferred tax assets	0	0
Noncurrent assets held for sale	0	0
Total assets	1,756,617	1,580,277
Current liabilities
Current maturities of long-term debt	0	0
Inter-company accounts payable	300,044	51,348
Trade accounts payable and accrued liabilities	0	0
Income taxes payable	0	0
Deferred income taxes	0	0
Current liabilities held for sale	0	0
Total current liabilities	300,044	51,348
Long-term debt, including capitalized lease obligations	0	0
Deferred income taxes	0	0
Asset retirement obligations	0	0
Deferred credits and other liabilities	0	0
Total liabilities	300,044	51,348
Stockholders' Equity
Preferred Stock, par $0.01 (authorized 20,000,000 shares, none outstanding)	0	0
Common Stock, par $0.01, (authorized 200,000,000 shares, 46,767,164 issued and 46,767,164 shares issued and outstanding at 2015 and 2014, respectively)	468	468
Treasury stock (5,088,434 and 1,056,689 shares held at December 31, 2015 and December 31, 2014, respectively)	(294,139)	(51,073)
Additional paid in capital (APIC)	1,222,465	1,228,095
Retained earnings	527,779	351,439
Total stockholders' equity	1,456,573	1,528,929
Total liabilities and stockholders' equity	1,756,617	1,580,277
Issuer [Member]
Current assets
Cash and cash equivalents	102,335	327,163	294,741
Accounts receivable—trade, less allowance for doubtful accounts of $1,963 in 2015 and $4,456 in 2014	136,253	138,466
Inventories, at lower of cost or market	155,906	157,046
Prepaid expenses and other current assets	41,173	11,710
Current assets held for sale	0	0
Total current assets	435,667	634,385
Property, plant and equipment, at cost less accumulated depreciation and amortization of $724,486 in 2015 and $663,067 in 2014	1,369,318	1,248,081
Restricted cash	68,571
Investments in subsidiaries	144,921	177,263
Other assets	12,685	10,543
Deferred tax assets	0	0
Noncurrent assets held for sale	0	0
Total assets	2,031,162	2,070,272
Current liabilities
Current maturities of long-term debt	222	0
Inter-company accounts payable	(93,644)	82,528
Trade accounts payable and accrued liabilities	390,341	381,271
Income taxes payable	0	18,348
Deferred income taxes	1,729	522
Current liabilities held for sale	0	0
Total current liabilities	298,648	482,669
Long-term debt, including capitalized lease obligations	490,160	488,250
Deferred income taxes	161,236	137,882
Asset retirement obligations	24,345	22,245
Deferred credits and other liabilities	25,918	29,175
Total liabilities	1,000,307	1,160,221
Stockholders' Equity
Preferred Stock, par $0.01 (authorized 20,000,000 shares, none outstanding)	0	0
Common Stock, par $0.01, (authorized 200,000,000 shares, 46,767,164 issued and 46,767,164 shares issued and outstanding at 2015 and 2014, respectively)	1	1
Treasury stock (5,088,434 and 1,056,689 shares held at December 31, 2015 and December 31, 2014, respectively)	0	0
Additional paid in capital (APIC)	564,554	558,611
Retained earnings	466,300	351,439
Total stockholders' equity	1,030,855	910,051
Total liabilities and stockholders' equity	2,031,162	2,070,272
Guarantor Subsidiaries [Member]
Current assets
Cash and cash equivalents	0	0	0
Accounts receivable—trade, less allowance for doubtful accounts of $1,963 in 2015 and $4,456 in 2014	0	0
Inventories, at lower of cost or market	0	0
Prepaid expenses and other current assets	0	0
Current assets held for sale	0	0
Total current assets	0	0
Property, plant and equipment, at cost less accumulated depreciation and amortization of $724,486 in 2015 and $663,067 in 2014	0	0
Restricted cash	0
Investments in subsidiaries	0	0
Other assets	0	0
Deferred tax assets	0	0
Noncurrent assets held for sale	0	0
Total assets	0	0
Current liabilities
Current maturities of long-term debt	0	0
Inter-company accounts payable	(52,062)	(52,077)
Trade accounts payable and accrued liabilities	0	0
Income taxes payable	0	14
Deferred income taxes	0	0
Current liabilities held for sale	0	0
Total current liabilities	(52,062)	(52,063)
Long-term debt, including capitalized lease obligations	0	0
Deferred income taxes	0	0
Asset retirement obligations	0	0
Deferred credits and other liabilities	0	0
Total liabilities	(52,062)	(52,063)
Stockholders' Equity
Preferred Stock, par $0.01 (authorized 20,000,000 shares, none outstanding)	0	0
Common Stock, par $0.01, (authorized 200,000,000 shares, 46,767,164 issued and 46,767,164 shares issued and outstanding at 2015 and 2014, respectively)	60	60
Treasury stock (5,088,434 and 1,056,689 shares held at December 31, 2015 and December 31, 2014, respectively)	0	0
Additional paid in capital (APIC)	52,004	52,004
Retained earnings	(2)	(1)
Total stockholders' equity	52,062	52,063
Total liabilities and stockholders' equity	0	0
Non-Guarantor Subsidiaries [Member]
Current assets
Cash and cash equivalents	0	0	$ 0
Accounts receivable—trade, less allowance for doubtful accounts of $1,963 in 2015 and $4,456 in 2014	0	0
Inventories, at lower of cost or market	0	0
Prepaid expenses and other current assets	0	0
Current assets held for sale	0	56,328
Total current assets	0	56,328
Property, plant and equipment, at cost less accumulated depreciation and amortization of $724,486 in 2015 and $663,067 in 2014	0	0
Restricted cash	0
Investments in subsidiaries	0	0
Other assets	0	0
Deferred tax assets	0	0
Noncurrent assets held for sale	0	0
Total assets	0	56,328
Current liabilities
Current maturities of long-term debt	0	0
Inter-company accounts payable	(154,338)	(81,799)
Trade accounts payable and accrued liabilities	0	0
Income taxes payable	0	0
Deferred income taxes	0	0
Current liabilities held for sale	0	12,925
Total current liabilities	(154,338)	(68,874)
Long-term debt, including capitalized lease obligations	0	0
Deferred income taxes	0	0
Asset retirement obligations	0	0
Deferred credits and other liabilities	0	0
Total liabilities	(154,338)	(68,874)
Stockholders' Equity
Preferred Stock, par $0.01 (authorized 20,000,000 shares, none outstanding)	0	0
Common Stock, par $0.01, (authorized 200,000,000 shares, 46,767,164 issued and 46,767,164 shares issued and outstanding at 2015 and 2014, respectively)	0	0
Treasury stock (5,088,434 and 1,056,689 shares held at December 31, 2015 and December 31, 2014, respectively)	0	0
Additional paid in capital (APIC)	87,543	35,677
Retained earnings	66,795	89,525
Total stockholders' equity	154,338	125,202
Total liabilities and stockholders' equity	$ 0	$ 56,328

Guarantor Subsidiaries (Conso89

Guarantor Subsidiaries (Consolidating Balance Sheet Parenthetical) (Details) - USD ($) $ / shares in Units, $ in Thousands	Dec. 31, 2015	Dec. 31, 2014	Mar. 31, 2013
Guarantor Subsidiaries [Abstract]
Accounts receivable - trade, allowance for doubtful accounts	$ 1,963	$ 4,456
Property, plant and equipment, accumulated depreciation and amortization	$ 724,486	$ 663,067
Preferred stock par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock shares authorized	20,000,000	20,000,000
Preferred stock shares outstanding	0	0
Common stock par value (in dollars per share)	$ 0.01	$ 0.01	$ 0.01
Common stock shares authorized	200,000,000	200,000,000
Common stock shares issued	46,767,164	46,767,164
Treasury stock, shares	5,088,434	1,056,689

Guarantor Subsidiaries (Conso90

Guarantor Subsidiaries (Consolidating Income Statement) (Details) - USD ($) $ in Thousands		3 Months Ended								12 Months Ended
		Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Revenues
Petroleum product sales	[1]									$ 10,304,689	$ 14,728,527	$ 15,560,317
Merchandise sales										2,273,888	2,161,378	2,159,466
Other operating revenues										120,834	96,109	94,298
Total revenues		$ 2,928,200	$ 3,382,500	$ 3,468,000	$ 2,920,700	$ 3,554,000	$ 4,622,600	$ 4,693,900	$ 4,115,500	12,699,411	16,986,014	17,814,081
Costs and operating expenses
Petroleum product cost of goods sold	[1]									9,794,475	14,074,579	15,009,955
Merchandise cost of goods sold										1,946,423	1,859,732	1,877,630
Station and other operating expenses										486,383	486,762	460,476
Depreciation and amortization										86,568	79,087	74,053
Selling, general and administrative										129,277	119,266	129,431
Accretion of asset retirement obligations										1,521	1,200	1,096
Total costs and operating expenses										12,444,647	16,620,626	17,552,641
Income from operations										254,764	365,388	261,440
Other income (expense)
Interest income										2,177	244	1,099
Interest expense										(33,531)	(36,646)	(14,509)
Gain (loss) on sale of assets										(4,658)	194	5,995
Other nonoperating income (expense)										(463)	10,166	169
Total other income (expense)										(36,475)	(26,042)	(7,246)
Income from continuing operations before income taxes		44,500	94,100	38,800	40,900	141,800	91,000	93,900	12,600	218,289	339,346	254,194
Income tax expense										80,698	116,386	100,059
Income from continuing operations		29,200	60,000	24,800	23,600	94,400	56,600	64,400	7,600	137,591	222,960	154,135
Income (loss) from discontinued operations, net of income taxes										38,749	20,903	80,898
Equity earnings in affiliates, net of tax										0	0	0
Net Income		$ 66,700	$ 60,500	$ 26,200	$ 22,900	$ 98,400	$ 62,700	$ 73,200	$ 9,600	176,340	243,863	235,033
Eliminations [Member]
Revenues
Petroleum product sales										(120,166)	(183,131)	(206,435)
Merchandise sales										0	0	0
Other operating revenues										0	0	0
Total revenues										(120,166)	(183,131)	(206,435)
Costs and operating expenses
Petroleum product cost of goods sold										(120,166)	(183,131)	(206,435)
Merchandise cost of goods sold										0	0	0
Station and other operating expenses										0	0	0
Depreciation and amortization										0	0	0
Selling, general and administrative										0	0	0
Accretion of asset retirement obligations										0	0	0
Total costs and operating expenses										(120,166)	(183,131)	(206,435)
Income from operations										0	0	0
Other income (expense)
Interest income										0	0	0
Interest expense										0	0	0
Gain (loss) on sale of assets										0	0	0
Other nonoperating income (expense)										0	0	0
Total other income (expense)										0	0	0
Income from continuing operations before income taxes										0	0	0
Income tax expense										0	0	0
Income from continuing operations										0	0	0
Income (loss) from discontinued operations, net of income taxes										0	0	0
Equity earnings in affiliates, net of tax										(92,130)	(440,963)	0
Net Income										(92,130)	(440,963)	0
Parent Company [Member]
Revenues
Petroleum product sales										0	0
Merchandise sales										0	0
Other operating revenues										0	0
Total revenues										0	0
Costs and operating expenses
Petroleum product cost of goods sold										0	0
Merchandise cost of goods sold										0	0
Station and other operating expenses										0	0
Depreciation and amortization										0	0	0
Selling, general and administrative										0	0
Accretion of asset retirement obligations										0	0
Total costs and operating expenses										0	0
Income from operations										0	0
Other income (expense)
Interest income										0	0
Interest expense										0	0
Gain (loss) on sale of assets										0	0	0
Other nonoperating income (expense)										0	0
Total other income (expense)										0	0
Income from continuing operations before income taxes										0	0
Income tax expense										0	0
Income from continuing operations										0	0
Income (loss) from discontinued operations, net of income taxes										0	0	0
Equity earnings in affiliates, net of tax										176,340	351,439	0
Net Income										176,340	351,439	0
Issuer [Member]
Revenues
Petroleum product sales										10,424,855	14,911,658	15,766,752
Merchandise sales										2,273,888	2,161,378	2,159,466
Other operating revenues										120,834	96,109	94,298
Total revenues										12,819,577	17,169,145	18,020,516
Costs and operating expenses
Petroleum product cost of goods sold										9,914,641	14,257,710	15,216,390
Merchandise cost of goods sold										1,946,423	1,859,732	1,877,630
Station and other operating expenses										486,383	486,762	460,476
Depreciation and amortization										86,568	79,087	74,053
Selling, general and administrative										129,276	119,265	129,430
Accretion of asset retirement obligations										1,521	1,200	1,096
Total costs and operating expenses										12,564,812	16,803,756	17,759,075
Income from operations										254,765	365,389	261,441
Other income (expense)
Interest income										2,177	244	1,099
Interest expense										(33,531)	(36,646)	(14,509)
Gain (loss) on sale of assets										(4,658)	194	5,995
Other nonoperating income (expense)										(463)	10,166	169
Total other income (expense)										(36,475)	(26,042)	(7,246)
Income from continuing operations before income taxes										218,290	339,347	254,195
Income tax expense										80,698	116,386	100,059
Income from continuing operations										137,592	222,961	154,136
Income (loss) from discontinued operations, net of income taxes										0	0	0
Equity earnings in affiliates, net of tax										(22,731)	89,524	0
Net Income										114,861	312,485	154,136
Guarantor Subsidiaries [Member]
Revenues
Petroleum product sales										0	0	0
Merchandise sales										0	0	0
Other operating revenues										0	0	0
Total revenues										0	0	0
Costs and operating expenses
Petroleum product cost of goods sold										0	0	0
Merchandise cost of goods sold										0	0	0
Station and other operating expenses										0	0	0
Depreciation and amortization										0	0	0
Selling, general and administrative										1	1	1
Accretion of asset retirement obligations										0	0	0
Total costs and operating expenses										1	1	1
Income from operations										(1)	(1)	(1)
Other income (expense)
Interest income										0	0	0
Interest expense										0	0	0
Gain (loss) on sale of assets										0	0	0
Other nonoperating income (expense)										0	0	0
Total other income (expense)										0	0	0
Income from continuing operations before income taxes										(1)	(1)	(1)
Income tax expense										0	0	0
Income from continuing operations										(1)	(1)	(1)
Income (loss) from discontinued operations, net of income taxes										0	0	0
Equity earnings in affiliates, net of tax										0	0	0
Net Income										(1)	(1)	(1)
Non-Guarantor Subsidiaries [Member]
Revenues
Petroleum product sales										0	0	0
Merchandise sales										0	0	0
Other operating revenues										0	0	0
Total revenues										0	0	0
Costs and operating expenses
Petroleum product cost of goods sold										0	0	0
Merchandise cost of goods sold										0	0	0
Station and other operating expenses										0	0	0
Depreciation and amortization										0	0	0
Selling, general and administrative										0	0	0
Accretion of asset retirement obligations										0	0	0
Total costs and operating expenses										0	0	0
Income from operations										0	0	0
Other income (expense)
Interest income										0	0	0
Interest expense										0	0	0
Gain (loss) on sale of assets										0	0	0
Other nonoperating income (expense)										0	0	0
Total other income (expense)										0	0	0
Income from continuing operations before income taxes										0	0	0
Income tax expense										0	0	0
Income from continuing operations										0	0	0
Income (loss) from discontinued operations, net of income taxes										38,749	20,903	80,898
Equity earnings in affiliates, net of tax										(61,479)	0	0
Net Income										$ (22,730)	$ 20,903	$ 80,898
[1]	Includes excise taxes of: $1,968,629, $1,930,608, and $1,884,035.

Guarantor Subsidiaries (Conso91

Guarantor Subsidiaries (Consolidating Statement Of Cash Flow) (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Operating Activities
Net income	$ 66,700	$ 60,500	$ 26,200	$ 22,900	$ 98,400	$ 62,700	$ 73,200	$ 9,600	$ 176,340	$ 243,863	$ 235,033
Adjustments to reconcile net income to net cash provided by operating activities
(Income) loss from discontinued operations, net of taxes									(38,749)	(20,903)	(80,898)
Depreciation and amortization									86,568	79,087	74,053
Deferred and noncurrent income tax charges (credits)									40,556	(4,403)	(11,568)
Accretion on discounted liabilities									1,521	1,200	1,096
Pretax (gains) losses from sale of assets									4,658	(194)	(5,995)
Net decrease (increase) in noncash operating working capital									(46,586)	(36,475)	51,204
Equity in earnings									0	0	0
Other operating activities - net									9,417	14,531	13,215
Net cash provided by (used in) continuing operations									233,725	276,706	276,140
Net cash provided by (used in) discontinued operations									(17,887)	28,876	80,558
Net cash provided by operating activities									215,838	305,582	356,698
Investing Activities
Property additions									(205,225)	(135,339)	(163,303)
Proceeds from sale of assets									729	376	6,113
Changes in restricted cash									(68,571)	0	0
Other investing activities - net									(2,889)	(10,631)	52
Sales proceeds									93,765	1,097	173,118
Other									(7,443)	(4,918)	(3,088)
Net cash provided by (required by) investing activities									(189,634)	(149,415)	12,892
Financing Activities
Purchase of treasury stock									(248,695)	(51,348)	0
Repayments of long-term debt									(146)	(70,000)	(81,170)
Additions to long-term debt									0	0	641,250
Cash dividend to former parent									0	0	(650,000)
Debt issuance costs									(58)	(875)	(6,693)
Amounts related to share-based compensation									(3,075)	(580)	0
Net distributions to former parent									0	0	(35,609)
Net cash required by financing activities									(251,974)	(122,803)	(132,222)
Net increase in cash and cash equivalents									(225,770)	33,364	237,368
Cash and cash equivalents at January 1				328,105				294,741	328,105	294,741	57,373
Cash and cash equivalents at December 31	102,335				328,105				102,335	328,105	294,741
Less: Cash and cash equivalents held for sale	0				942				0	942	0
Cash and cash equivalents	102,335				327,163				102,335	327,163	294,741
Eliminations [Member]
Operating Activities
Net income									(92,130)	(440,963)	0
Adjustments to reconcile net income to net cash provided by operating activities
(Income) loss from discontinued operations, net of taxes									0	0	0
Depreciation and amortization									0	0	0
Deferred and noncurrent income tax charges (credits)									0	0	0
Accretion on discounted liabilities									0	0	0
Pretax (gains) losses from sale of assets									0	0	0
Net decrease (increase) in noncash operating working capital									0	0	0
Equity in earnings									92,130	440,963	0
Other operating activities - net									0	0	0
Net cash provided by (used in) continuing operations									0	0	0
Net cash provided by (used in) discontinued operations									0	0	0
Net cash provided by operating activities									0	0	0
Investing Activities
Property additions									0	0	0
Proceeds from sale of assets									0	0	0
Changes in restricted cash									0
Other investing activities - net									0	0	0
Sales proceeds									0	0	0
Other									0	0	0
Net cash provided by (required by) investing activities									0	0	0
Financing Activities
Purchase of treasury stock									0	0	0
Repayments of long-term debt									0	0	0
Additions to long-term debt									0	0	0
Cash dividend to former parent											0
Debt issuance costs									0	0	0
Amounts related to share-based compensation									0	0	0
Net distributions to former parent									0	0	0
Net cash required by financing activities									0	0	0
Net increase in cash and cash equivalents									0	0	0
Cash and cash equivalents at January 1				0				0	0	0	0
Cash and cash equivalents at December 31	0				0				0	0	0
Less: Cash and cash equivalents held for sale	0				0				0	0	0
Cash and cash equivalents	0				0				0	0	0
Parent Company [Member]
Operating Activities
Net income									176,340	351,439	0
Adjustments to reconcile net income to net cash provided by operating activities
(Income) loss from discontinued operations, net of taxes									0	0	0
Depreciation and amortization									0	0	0
Deferred and noncurrent income tax charges (credits)									0	0	0
Accretion on discounted liabilities									0	0	0
Pretax (gains) losses from sale of assets									0	0	0
Net decrease (increase) in noncash operating working capital									0	0	0
Equity in earnings									(176,340)	(351,439)	0
Other operating activities - net									0	0	0
Net cash provided by (used in) continuing operations									0	0	0
Net cash provided by (used in) discontinued operations									0	0	0
Net cash provided by operating activities									0	0	0
Investing Activities
Property additions									0	0	0
Proceeds from sale of assets									0	0	0
Changes in restricted cash									0
Other investing activities - net									0	0	0
Sales proceeds									0	0	0
Other									0	0	0
Net cash provided by (required by) investing activities									0	0	0
Financing Activities
Purchase of treasury stock									(248,695)	(51,348)	0
Repayments of long-term debt									0	0	0
Additions to long-term debt									0	0	0
Cash dividend to former parent											0
Debt issuance costs									0	0	0
Amounts related to share-based compensation									0	0	0
Net distributions to former parent									248,695	51,348	0
Net cash required by financing activities									0	0	0
Net increase in cash and cash equivalents									0	0	0
Cash and cash equivalents at January 1				0				0	0	0	0
Cash and cash equivalents at December 31	0				0				0	0	0
Less: Cash and cash equivalents held for sale	0				0				0	0	0
Cash and cash equivalents	0				0				0	0	0
Issuer [Member]
Operating Activities
Net income									114,861	312,485	154,136
Adjustments to reconcile net income to net cash provided by operating activities
(Income) loss from discontinued operations, net of taxes									0	0	0
Depreciation and amortization									86,568	79,087	74,053
Deferred and noncurrent income tax charges (credits)									40,556	(4,403)	(11,568)
Accretion on discounted liabilities									1,521	1,200	1,096
Pretax (gains) losses from sale of assets									4,658	(194)	(5,995)
Net decrease (increase) in noncash operating working capital									(46,586)	(36,475)	51,204
Equity in earnings									22,731	(89,524)	0
Other operating activities - net									9,417	14,531	13,215
Net cash provided by (used in) continuing operations									233,726	276,707	276,141
Net cash provided by (used in) discontinued operations									0	0	0
Net cash provided by operating activities									233,726	276,707	276,141
Investing Activities
Property additions									(205,225)	(135,339)	(163,303)
Proceeds from sale of assets									729	376	6,113
Changes in restricted cash									(68,571)
Other investing activities - net									(2,889)	(10,631)	52
Sales proceeds									0	0	0
Other									0	0	0
Net cash provided by (required by) investing activities									(275,956)	(145,594)	(157,138)
Financing Activities
Purchase of treasury stock									0	0	0
Repayments of long-term debt									(146)	(70,000)	(80,000)
Additions to long-term debt									0	0	641,250
Cash dividend to former parent											(650,000)
Debt issuance costs									(58)	(875)	(6,693)
Amounts related to share-based compensation									(3,075)	(580)	0
Net distributions to former parent									(179,319)	(27,236)	213,808
Net cash required by financing activities									(182,598)	(98,691)	118,365
Net increase in cash and cash equivalents									(224,828)	32,422	237,368
Cash and cash equivalents at January 1				327,163				294,741	327,163	294,741	57,373
Cash and cash equivalents at December 31	102,335				327,163				102,335	327,163	294,741
Less: Cash and cash equivalents held for sale	0				0				0	0	0
Cash and cash equivalents	102,335				327,163				102,335	327,163	294,741
Guarantor Subsidiaries [Member]
Operating Activities
Net income									(1)	(1)	(1)
Adjustments to reconcile net income to net cash provided by operating activities
(Income) loss from discontinued operations, net of taxes									0	0	0
Depreciation and amortization									0	0	0
Deferred and noncurrent income tax charges (credits)									0	0	0
Accretion on discounted liabilities									0	0	0
Pretax (gains) losses from sale of assets									0	0	0
Net decrease (increase) in noncash operating working capital									0	0	0
Equity in earnings									0	0	0
Other operating activities - net									0	0	0
Net cash provided by (used in) continuing operations									(1)	(1)	(1)
Net cash provided by (used in) discontinued operations									0	0	0
Net cash provided by operating activities									(1)	(1)	(1)
Investing Activities
Property additions									0	0	0
Proceeds from sale of assets									0	0	0
Changes in restricted cash									0
Other investing activities - net									0	0	0
Sales proceeds									0	0	0
Other									0	0	0
Net cash provided by (required by) investing activities									0	0	0
Financing Activities
Purchase of treasury stock									0	0	0
Repayments of long-term debt									0	0	0
Additions to long-term debt									0	0	0
Cash dividend to former parent											0
Debt issuance costs									0	0	0
Amounts related to share-based compensation									0	0	0
Net distributions to former parent									1	1	1
Net cash required by financing activities									1	1	1
Net increase in cash and cash equivalents									0	0	0
Cash and cash equivalents at January 1				0				0	0	0	0
Cash and cash equivalents at December 31	0				0				0	0	0
Less: Cash and cash equivalents held for sale	0				0				0	0	0
Cash and cash equivalents	0				0				0	0	0
Non-Guarantor Subsidiaries [Member]
Operating Activities
Net income									(22,730)	20,903	80,898
Adjustments to reconcile net income to net cash provided by operating activities
(Income) loss from discontinued operations, net of taxes									(38,749)	(20,903)	(80,898)
Depreciation and amortization									0	0	0
Deferred and noncurrent income tax charges (credits)									0	0	0
Accretion on discounted liabilities									0	0	0
Pretax (gains) losses from sale of assets									0	0	0
Net decrease (increase) in noncash operating working capital									0	0	0
Equity in earnings									61,479	0	0
Other operating activities - net									0	0	0
Net cash provided by (used in) continuing operations									0	0	0
Net cash provided by (used in) discontinued operations									(17,887)	28,876	80,558
Net cash provided by operating activities									(17,887)	28,876	80,558
Investing Activities
Property additions									0	0	0
Proceeds from sale of assets									0	0	0
Changes in restricted cash									0
Other investing activities - net									0	0	0
Sales proceeds									93,765	1,097	173,118
Other									(7,443)	(4,918)	(3,088)
Net cash provided by (required by) investing activities									86,322	(3,821)	170,030
Financing Activities
Purchase of treasury stock									0	0	0
Repayments of long-term debt									0	0	(1,170)
Additions to long-term debt									0	0	0
Cash dividend to former parent											0
Debt issuance costs									0	0	0
Amounts related to share-based compensation									0	0	0
Net distributions to former parent									(69,377)	(24,113)	(249,418)
Net cash required by financing activities									(69,377)	(24,113)	(250,588)
Net increase in cash and cash equivalents									(942)	942	0
Cash and cash equivalents at January 1				$ 942				$ 0	942	0	0
Cash and cash equivalents at December 31	0				942				0	942	0
Less: Cash and cash equivalents held for sale	0				942				0	942	0
Cash and cash equivalents	$ 0				$ 0				$ 0	$ 0	$ 0

Guarantor Subsidiaries (Conso92

Guarantor Subsidiaries (Consolidating Statement Of Changes In Equity) (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance				$ 858,705				$ 656,336	$ 858,705	$ 656,336	$ 1,104,451
Repurchase of common stock									(248,695)	(51,348)
Issuance of common stock										1
Amounts related to share-based compensation									(3,075)	(582)
Share-based compensation expense									9,015	10,435	2,914
Net income	$ 66,700	$ 60,500	$ 26,200	22,900	$ 98,400	$ 62,700	$ 73,200	9,600	176,340	243,863	235,033
Dividend paid to former parent											(650,000)
Net transfers to/between former parent											(36,062)
Balance	792,290				858,705				792,290	858,705	656,336
Common Stock [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance				468				467	468	467	0
Issuance of common stock										1
Issuance of stock at the separation and distribution											467
Balance	468				468				468	468	467
Treasury Stock [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance				(51,073)				0	(51,073)	0	0
Issuance of common stock									5,629	275
Repurchase of common stock									(248,695)	(51,348)
Balance	(294,139)				(51,073)				(294,139)	(51,073)	0
APIC [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance				557,871				548,293	557,871	548,293	0
Issuance of common stock									(5,629)	(275)
Amounts related to share-based compensation									(3,075)	(582)
Reclassification of net parent investment to APIC											545,846
Share-based compensation expense									9,015	10,435	2,914
Issuance of stock at the separation and distribution											(467)
Balance	558,182				557,871				558,182	557,871	548,293
Net Parent Investment [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance				0				0	0	0	1,104,451
Reclassification of net parent investment to APIC											(545,846)
Net income											127,457
Dividend paid to former parent											(650,000)
Net transfers to/between former parent											(36,062)
Balance	0				0				0	0	0
Retained Earnings [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance				351,439				107,576	351,439	107,576	0
Net income									176,340	243,863	107,576
Balance	527,779				351,439				527,779	351,439	107,576
Eliminations [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance				(1,757,540)					(1,757,540)
Net income									(92,130)	(440,963)	0
Balance	(1,901,538)				(1,757,540)				(1,901,538)	(1,757,540)
Eliminations [Member] | Common Stock [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance				(61)				(61)	(61)	(61)	0
Issuance of stock at the separation and distribution											(61)
Balance	(61)				(61)				(61)	(61)	(61)
Eliminations [Member] | APIC [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance				(1,316,516)				(1,316,516)	(1,316,516)	(1,316,516)	0
Reclassification of equity									(51,866)
Reclassification of net parent investment to APIC											(1,316,516)
Balance	(1,368,382)				(1,316,516)				(1,368,382)	(1,316,516)	(1,316,516)
Eliminations [Member] | Net Parent Investment [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance								0		0	(190,461)
Reclassification of net parent investment to APIC											190,461
Balance											0
Eliminations [Member] | Retained Earnings [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance				(440,963)					(440,963)
Net income									(92,130)	(440,963)
Balance	(533,093)				(440,963)				(533,093)	(440,963)
Parent Company [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance				1,528,929					1,528,929
Net income									176,340	351,439	0
Balance	1,456,573				1,528,929				1,456,573	1,528,929
Parent Company [Member] | Common Stock [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance				468				467	468	467	0
Issuance of common stock										1
Issuance of stock at the separation and distribution											467
Balance	468				468				468	468	467
Parent Company [Member] | Treasury Stock [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance				(51,073)					(51,073)
Issuance of common stock									5,629	275
Repurchase of common stock									(248,695)	(51,348)
Balance	(294,139)				(51,073)				(294,139)	(51,073)
Parent Company [Member] | APIC [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance				1,228,095				1,228,370	1,228,095	1,228,370	0
Issuance of common stock									(5,629)	(275)
Reclassification of net parent investment to APIC											1,228,370
Balance	1,222,466				1,228,095				1,222,466	1,228,095	1,228,370
Parent Company [Member] | Retained Earnings [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance				351,439					351,439
Net income									176,340	351,439
Balance	527,779				351,439				527,779	351,439
Issuer [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance				910,051					910,051
Net income									114,861	312,485	154,136
Balance	1,030,855				910,051				1,030,855	910,051
Issuer [Member] | Common Stock [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance				1				1	1	1	0
Issuance of stock at the separation and distribution											1
Balance	1				1				1	1	1
Issuer [Member] | APIC [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance				558,611				548,758	558,611	548,758	0
Amounts related to share-based compensation									(3,075)	(582)
Reclassification of net parent investment to APIC											546,311
Share-based compensation expense									9,015	10,435	2,914
Issuance of stock at the separation and distribution											(467)
Balance	564,551				558,611				564,551	558,611	548,758
Issuer [Member] | Net Parent Investment [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance								0		0	1,123,467
Reclassification of net parent investment to APIC											(552,073)
Net income											114,668
Dividend paid to former parent											(650,000)
Net transfers to/between former parent											(36,062)
Balance											0
Issuer [Member] | Retained Earnings [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance				351,439				38,954	351,439	38,954	0
Net income									114,861	312,485	38,954
Balance	466,300				351,439				466,300	351,439	38,954
Guarantor Subsidiaries [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance				52,063					52,063
Net income									(1)	(1)	(1)
Balance	52,062				52,063				52,062	52,063
Guarantor Subsidiaries [Member] | Common Stock [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance				60				60	60	60	0
Issuance of stock at the separation and distribution											60
Balance	60				60				60	60	60
Guarantor Subsidiaries [Member] | APIC [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance				52,004				52,004	52,004	52,004	0
Reclassification of net parent investment to APIC											52,004
Balance	52,004				52,004				52,004	52,004	52,004
Guarantor Subsidiaries [Member] | Net Parent Investment [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance								0		0	53,895
Reclassification of net parent investment to APIC											(53,895)
Balance											0
Guarantor Subsidiaries [Member] | Retained Earnings [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance				(1)					(1)
Net income									(1)	(1)
Balance	(2)				(1)				(2)	(1)
Non-Guarantor Subsidiaries [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance				125,202					125,202
Net income									(22,730)	20,903	80,898
Balance	154,338				125,202				154,338	125,202
Non-Guarantor Subsidiaries [Member] | APIC [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance				35,677				35,677	35,677	35,677	0
Reclassification of equity									51,866
Reclassification of net parent investment to APIC											35,677
Balance	87,543				35,677				87,543	35,677	35,677
Non-Guarantor Subsidiaries [Member] | Net Parent Investment [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance								0		0	117,550
Reclassification of net parent investment to APIC											(130,339)
Net income											12,789
Balance											0
Non-Guarantor Subsidiaries [Member] | Retained Earnings [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance				$ 89,525				$ 68,622	89,525	68,622	0
Net income									(22,730)	20,903	68,622
Balance	$ 66,795				$ 89,525				$ 66,795	$ 89,525	$ 68,622

Supplemental Quarterly Inform93

Supplemental Quarterly Information (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Quarterly Financial Information Disclosure [Abstract]
Sales and other operating revenues	$ 2,928,200	$ 3,382,500	$ 3,468,000	$ 2,920,700	$ 3,554,000	$ 4,622,600	$ 4,693,900	$ 4,115,500	$ 12,699,411	$ 16,986,014	$ 17,814,081
Income from continuing operations before income taxes	44,500	94,100	38,800	40,900	141,800	91,000	93,900	12,600	218,289	339,346	254,194
Income from continuing operations	29,200	60,000	24,800	23,600	94,400	56,600	64,400	7,600	137,591	222,960	154,135
Net income	$ 66,700	$ 60,500	$ 26,200	$ 22,900	$ 98,400	$ 62,700	$ 73,200	$ 9,600	$ 176,340	$ 243,863	$ 235,033
Income from continuing operations (per Common share)
Income from continuing operations - basic (in dollars per share)	$ 0.70	$ 1.41	$ 0.56	$ 0.52	$ 2.06	$ 1.24	$ 1.39	$ 0.16	$ 3.17	$ 4.84	$ 3.30
Income from continuing operations - diluted (in dollars per share)	0.69	1.40	0.56	0.51	2.04	1.23	1.38	0.16	3.14	4.81	3.29
Net income (per Common share)
Net income - basic (in dollars per share)	1.60	1.42	0.59	0.50	2.15	1.35	1.58	0.21	4.06	5.29	5.03
Net income - diluted (in dollars per share)	1.58	1.41	0.59	0.50	2.13	1.35	1.57	0.21	4.02	5.26	$ 5.02
Market price of Common stock
High (in dollars per share)	65.09	57.40	73.47	73.48	69.37	55.64	52.34	43.25	73.48	69.37
Low (in dollars per share)	$ 54.17	$ 48.70	$ 55.82	$ 66.82	$ 49.63	$ 47.26	$ 39.96	$ 37.55	$ 48.70	$ 37.55

Schedule II - Valuation And Q94

Schedule II - Valuation And Qualifying Accounts (Details) - Allowance for Doubtful Accounts [Member] - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at January 1,	$ 4,456	$ 4,576	$ 5,835
Charged (Credited) to Expense	0	0	0
Deductions	(2,493)	(120)	(1,259)
Balance at December 31,	$ 1,963	$ 4,456	$ 4,576