10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q

             (Mark one)        

 ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended March 31, 2021

OR

☐  TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from _______________ to _______________

Commission File Number 001-35914

MURPHY USA INC.

(Exact name of registrant as specified in its charter)

Delaware		46-2279221
(State or other jurisdiction of incorporation or organization)		(I.R.S. Employer Identification No.)
200 Peach Street
El Dorado,	Arkansas	71730-5836
(Address of principal executive offices)		(Zip Code)

(870) 875-7600

(Registrant's telephone number, including area code)

Securities registered pursuant to Section 12(b) of the Act:

Title of each class	Trading Symbol(s)	Name of each exchange on which registered
Common Stock, $0.01 Par Value	MUSA	New York Stock Exchange

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.  ☑ Yes ☐ No

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).   ☑  Yes ☐ No

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company.  See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and "emerging growth company" in Rule 12b-2 of the Exchange Act.

Large accelerated filer  ☑ Accelerated filer ☐ Non-accelerated filer ☐ Smaller reporting company ☐ Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).   ☐ Yes ☑ No

Number of shares of Common Stock, $0.01 par value, outstanding at March 31, 2021 was 26,924,264.

MURPHY USA INC.

TABLE OF CONTENTS

	Page
Part I – Financial Information

Consolidated Balance Sheets as of March 31, 2021 (unaudited) and December 31, 2020	2
Consolidated Statements of Income for the three months ended March 31, 2021 and 2020 (unaudited)	3
Consolidated Statements of Comprehensive Income for the three months ended March 31, 2021 and 2020 (unaudited)	4
Consolidated Statements of Cash Flows for the three months ended March 31, 2021 and 2020 (unaudited)	5
Consolidated Statements of Changes in Equity for the three months ended March 31, 2021 and 2020 (unaudited)	6
Notes to Consolidated Financial Statements (unaudited)	7

Item 2.  Management’s Discussion and Analysis of Financial Condition and Results of Operations	25
Item 3. Quantitative and Qualitative Disclosures About Market Risk	38
Item 4. Controls and Procedures	38
Part II – Other Information
Item 1. Legal Proceedings	39
Item 1A. Risk Factors	39
Item 2. Unregistered Sales of Equity Securities and Use of Proceeds	39
Item 5. Other Information	39
Item 6. Exhibits	39
Signatures	40

1

ITEM 1.  FINANCIAL STATEMENTS

Murphy USA Inc.

Consolidated Balance Sheets

	March 31,		December 31,
(Millions of dollars, except share amounts)	2021		2020
	(unaudited)
Assets
Current assets
Cash and cash equivalents	$	304.1	$	163.6
Accounts receivable—trade, less allowance for doubtful accounts of $0.1 at 2021 and 2020	182.1		168.8
Inventories	283.0		279.1
Prepaid expenses and other current assets	24.2		13.7
Total current assets	793.4		625.2
Property, plant and equipment, at cost less accumulated depreciation and amortization of $1,233.6 at 2021 and $1,191.4 at 2020	2,301.4		1,867.6
Operating lease right of use assets, net*	395.6		147.7
Intangible assets, net of amortization*	141.3		34.6
Goodwill	336.4		—
Other assets*	12.5		10.6
Total assets	$	3,980.6	$	2,685.7
Liabilities and Stockholders' Equity
Current liabilities
Current maturities of long-term debt	$	13.2	$	51.2
Trade accounts payable and accrued liabilities	638.4		471.1
Income taxes payable	23.4		8.8
Total current liabilities	675.0		531.1
Long-term debt, including capitalized lease obligations	1,796.8		951.2
Deferred income taxes	281.4		218.4
Asset retirement obligations	36.7		35.1
Non current operating lease liabilities*	382.3		142.5
Deferred credits and other liabilities*	27.8		23.3
Total liabilities	3,200.0		1,901.6
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 2021 and 2020, respectively)	0.5		0.5
Treasury stock (19,842,900 and 19,518,551 shares held at
2021 and 2020, respectively)	(1,535.3)		(1,490.9)
Additional paid in capital (APIC)	525.6		533.3
Retained earnings	1,791.5		1,743.1
Accumulated other comprehensive income (loss) (AOCI)	(1.7)		(1.9)
Total stockholders' equity	780.6		784.1
Total liabilities and stockholders' equity	$	3,980.6	$	2,685.7
*Prior year amounts have been revised to conform with current period presentation

See notes to consolidated financial statements.

2

Murphy USA Inc.

Consolidated Statements of Income

(unaudited)

	Three Months Ended March 31,
(Millions of dollars, except share and per share amounts)	2021		2020
Operating Revenues
Petroleum product sales (a)	$	2,635.8	$	2,480.2
Merchandise sales	833.2		687.5
Other operating revenues	68.1		17.1
Total operating revenues	3,537.1		3,184.8
Operating Expenses
Petroleum product cost of goods sold (a)	2,476.1		2,259.8
Merchandise cost of goods sold	684.8		580.0
Station and other operating expenses	177.1		135.1
Depreciation and amortization	51.0		39.4
Selling, general and administrative	44.3		39.2
Accretion of asset retirement obligations	0.6		0.6
Acquisition related costs	8.8		—
Total operating expenses	3,442.7		3,054.1
Gain (loss) on sale of assets	0.2		0.1
Income (loss) from operations	94.6		130.8
Other income (expense)
Interest income	—		0.8
Interest expense	(21.3)		(13.3)
Other nonoperating income (expense)	—		(1.0)
Total other income (expense)	(21.3)		(13.5)
Income (loss) before income taxes	73.3		117.3
Income tax expense (benefit)	18.0		28.0
Net Income	$	55.3	$	89.3
Basic and Diluted Earnings Per Common Share
Basic	$	2.04	$	2.95
Diluted	$	2.01	$	2.92
Weighted-Average Common Shares Outstanding (in thousands):
Basic	27,131		30,235
Diluted	27,488		30,541
Supplemental information:
(a) Includes excise taxes of:	$	469.6	$	473.5

See notes to consolidated financial statements.

3

Murphy USA Inc.

Consolidated Statements of Comprehensive Income (Loss)

(unaudited)

(Millions of dollars)	Three Months Ended March 31,
	2021		2020
Net income	$	55.3	$	89.3
Other comprehensive income (loss), net of tax
Interest rate swap:
Realized gain (loss)	(0.1)		0.1
Unrealized gain (loss)	0.1		(3.6)
Reclassifications:
Realized (gain) loss reclassified to interest expense	0.1		(0.1)
Amortization of unrealized (gain) loss to interest expense	0.2		—
	0.3		(3.6)
Deferred income tax (benefit) expense	0.1		(0.9)
Other comprehensive income (loss)	0.2		(2.7)
Comprehensive income	$	55.5	$	86.6

See notes to consolidated financial statements.

4

Murphy USA Inc.

Consolidated Statements of Cash Flows

(unaudited) 

(Millions of dollars)	Three Months Ended March 31,
	2021		2020
Operating Activities
Net income	$	55.3	$	89.3
Adjustments to reconcile net income (loss) to net cash provided by (required by) operating activities
Depreciation and amortization	51.0		39.4
Deferred and noncurrent income tax charges (credits)	3.7		5.9
Accretion of asset retirement obligations	0.6		0.6
Pretax (gains) losses from sale of assets	(0.2)		(0.1)
Net (increase) decrease in noncash operating working capital	108.0		(25.7)
Other operating activities - net	11.4		4.3
Net cash provided by (required by) operating activities	229.8		113.7
Investing Activities
Property additions	(53.6)		(46.6)
Payments for acquisition, net of cash acquired	(642.1)		—
Proceeds from sale of assets	0.3		0.2
Other investing activities - net	(0.9)		(0.8)
Net cash provided by (required by) investing activities	(696.3)		(47.2)
Financing Activities
Purchase of treasury stock	(50.0)		(140.6)
Dividends paid	(6.8)		—
Borrowings of debt	892.8		—
Repayments of debt	(214.4)		(0.3)
Debt issuance costs	(8.8)		—
Amounts related to share-based compensation	(5.8)		(5.6)
Net cash provided by (required by) financing activities	607.0		(146.5)
Net increase (decrease) in cash, cash equivalents, and restricted cash	140.5		(80.0)
Cash, cash equivalents, and restricted cash at beginning of period	163.6		280.3
Cash, cash equivalents, and restricted cash at end of period	$	304.1	$	200.3

See notes to consolidated financial statements.

5

Murphy USA Inc.

Consolidated Statements of Changes in Equity

(unaudited)

	Common Stock
(Millions of dollars, except share amounts)	Shares	Par		Treasury Stock		APIC		Retained Earnings		AOCI		Total
Balance as of December 31, 2019	46,767,164	$	0.5	$	(1,099.8)	$	538.7	$	1,362.9	$	0.7	$	803.0
Cumulative effect of a change in accounting principle	—	—		—		—		1.1		—		1.1
Net income (loss)	—	—		—		—		89.3		—		89.3
Loss on interest rate hedge, net of tax	—	—		—		—		—		(2.7)		(2.7)
Purchase of treasury stock	—	—		(140.6)		—		—		—		(140.6)
Issuance of treasury stock	—	—		5.2		(5.7)		—		—		(0.5)
Amounts related to share-based compensation	—	—		—		(5.6)		—		—		(5.6)
Share-based compensation expense	—	—		—		2.8		—		—		2.8
Balance as of March 31, 2020	46,767,164	$	0.5	$	(1,235.2)	$	530.2	$	1,453.3	$	(2.0)	$	746.8

	Common Stock
(Millions of dollars, except share amounts)	Shares	Par		Treasury Stock		APIC		Retained Earnings		AOCI		Total
Balance as of December 31, 2020	46,767,164	$	0.5	$	(1,490.9)	$	533.3	$	1,743.1	$	(1.9)	$	784.1
Net income (loss)	—	—		—		—		55.3		—		55.3
Gain on interest rate hedge, net of tax	—	—		—		—		—		0.2		0.2
Cash dividends declared ($0.25 per share)	—	—		—		—		(6.8)		—		(6.8)
Dividend equivalent units accrued	—	—		—		0.1		(0.1)		—		—
Purchase of treasury stock	—	—		(50.0)		—		—		—		(50.0)
Issuance of treasury stock	—	—		5.6		(5.6)		—		—		—
Amounts related to share-based compensation	—	—		—		(5.8)		—		—		(5.8)
Share-based compensation expense	—	—		—		3.6		—		—		3.6
Balance as of March 31, 2021	46,767,164	$	0.5	$	(1,535.3)	$	525.6	$	1,791.5	$	(1.7)	$	780.6

See notes to consolidated financial statements.

6

Murphy USA Inc.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(unaudited)

Note 1 — Description of Business and Basis of Presentation

Description of business — Murphy USA Inc. and its consolidated subsidiaries (“Murphy USA” or the “Company”) markets refined products through a network of retail gasoline stations and to unbranded wholesale customers. In addition, it operates non-fuel convenience stores in select markets in the Northeast. Murphy USA operates a chain of owned retail stations under the brand name of Murphy USA® which are almost all located in close proximity to Walmart stores in 25 states, markets gasoline and other products at standalone stations under the Murphy Express brand, and Quick Chek Corporation ("QuickChek") has convenience stores located in New Jersey and New York. At March 31, 2021, Murphy USA had a total of 1,660 Company stations of which 1,151 were Murphy USA, 353 were Murphy Express and 156 were QuickChek.

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 Corporation (“Murphy Oil”) for $1.00. On August 30, 2013, Murphy USA was separated from Murphy Oil through the distribution of 100% of the common stock of Murphy USA to holders of Murphy Oil stock. Murphy USA Inc., Murphy Oil USA, and certain of its subsidiaries operate on a calendar year basis, while the subsidiary QuickChek uses a weekly retail calendar where each quarter has 13 weeks and its historical fiscal year end was the Friday nearest to October 31. For the Q1 2021 period, the results provided include the period from January 29, 2021 to April 2, 2021. The impact of the two additional days are immaterial to the overall consolidated results.

In preparing the financial statements of Murphy USA in conformity with accounting principles generally accepted in the United States, management has made a number of estimates and assumptions related to the reporting of assets, liabilities, revenues, expenses and the disclosure of contingent assets and liabilities. Actual results may differ from these estimates.

Accounting policies related to the acquisition of QuickChek —

Business combinations — The purchase price of an acquisition is measured as the aggregate of the fair value of the consideration transferred. The purchase price is allocated to the fair values of the tangible and intangible assets acquired and liabilities assumed, with any excess recorded as goodwill. These fair value determinations require judgment and may involve the use of significant estimates and assumptions. The purchase price allocation may be provisional during a measurement period of up to one year to provide reasonable time to obtain the information necessary to identify and measure the assets acquired and liabilities assumed. Any such measurement period adjustments are recognized in the period in which the adjustment amount is determined. Transaction costs associated with the acquisition are expensed as incurred.

Goodwill and intangible assets — Goodwill represents the excess of the aggregate of the consideration transferred over the net assets acquired and liabilities assumed and is tested annually for impairment, or more frequently if there are indicators of impairment. Acquired finite-lived intangible assets are amortized on a straight-line basis over their estimated useful lives, and are reviewed for impairment when events or circumstances indicate that the asset group to which the intangible assets belong might be impaired. The Company revises the estimated remaining useful life of these assets when events or changes in circumstances warrant a revision. If the Company revises the useful life, the unamortized balance is amortized over the use life on a prospective basis. Indefinite-lived intangibles are tested annually for impairment, or more often if indicators warrant.

Interim Financial Information — The interim period financial information presented in these consolidated financial statements is unaudited and includes all known accruals and adjustments, in the opinion of management, necessary for a fair presentation of the consolidated financial position of Murphy USA and its results of operations and cash flows for the periods presented. All such adjustments are of a normal and recurring nature.

These interim consolidated financial statements should be read together with our audited financial statements for the years ended December 31, 2020, 2019 and 2018, included in our Annual Report on Form 10-K (File No. 001-35914), as filed with the Securities and Exchange Commission under the Securities Exchange Act of 1934 on February 19, 2021.

7

Murphy USA Inc.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(unaudited)

Recently Issued Accounting Standards— 

In March 2020, the FASB issued ASU 2020-04, "Reference Rate Reform (Topic 848) - Facilitation of the Effects of Reference Rate Reform on Financial Reporting". This standard included optional guidance for a limited period of time to help ease the burden in accounting for the effects of reference rate reform. The new standard is effective for all entities through December 31, 2022. The Company does not expect the adoption of this standard to have a material impact on the Company's consolidated financial statements.

Note 2 — Revenues

Revenue Recognition

Revenue is recognized when obligations under the terms of a contract with our customers are satisfied; generally, this occurs with the transfer of control of our petroleum products, convenience merchandise, Renewable Identification Numbers ("RINs") and other assets to our third-party customers. Revenue is measured as the amount of consideration we expect to receive in exchange for transferring goods or providing services. Excise and sales tax that we collect where we have determined we are the principal in the transaction have been recorded as revenue on a jurisdiction-by-jurisdiction basis.

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 arrangements based on location or quality differences. The Company continues to account for these transactions as non-monetary exchanges under existing accounting guidance and typically reports these on a net basis in the Consolidated Statements of Income.

The following tables disaggregate our revenues by major source for the three months ended March 31, 2021 and 2020, respectively:

	Three Months Ended March 31, 2021						Three Months Ended March 31, 2020
(Millions of dollars)	Marketing		Corporate and Other Assets		Consolidated		Marketing		Corporate and Other Assets		Consolidated
Petroleum product sales (at retail) 1	$	2,384.8	—		$	2,384.8	$	2,246.2	$	—	$	2,246.2
Petroleum product sales (at wholesale)	251.0		—		251.0		234.0		—		234.0
Total petroleum product sales	2,635.8		—		2,635.8		2,480.2		—		2,480.2
Merchandise sales	833.2		—		833.2		687.5		—		687.5
Other operating revenues:
RINs	66.7		—		66.7		15.5		—		15.5
Other revenues 2	1.4		—		1.4		1.5		0.1		1.6
Total revenues	$	3,537.1	$	—	$	3,537.1	$	3,184.7	$	0.1	$	3,184.8

1 Includes excise and sales taxes that remain eligible for inclusion under Topic 606

2 Primarily includes collection allowance on excise and sales taxes and other miscellaneous items

8

Murphy USA Inc.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(unaudited)

Marketing segment

Petroleum product sales (at retail). For our retail store locations, the revenue related to petroleum product sales is recognized as the fuel is pumped to our customers. The transaction price at the pump typically includes some portion of sales or excise taxes as levied in the respective jurisdictions. Those taxes that are collected for remittance to governmental entities on a pass through basis are not recognized as revenue and they are recorded to a liability account until they are paid. Our customers typically use a mixture of cash, checks, credit cards and debit cards to pay for our products as they are received. We have accounts receivable from the various credit/debit card providers at any point in time related to product sales made on credit cards and debit cards. These receivables are typically collected in two to seven days, depending on the terms with the particular credit/debit card providers. Payment fees retained by the credit/debit card providers are recorded as station and other operating expenses.

Petroleum product sales (at wholesale). Our sales of petroleum products at wholesale are generally recorded as revenue when the deliveries have occurred and legal ownership of the product has transferred to the customer. Title transfer for bulk refined product sales typically occurs at pipeline custody points and upon trucks loading at product terminals. For bulk pipeline sales, we record receivables from customers that are generally collected within a week from custody transfer date. For our rack product sales, the majority of our customers' accounts are drafted by us within 10 days from product transfer.

Merchandise sales. For our retail store locations, the revenue related to merchandise sales is recognized as the customer completes their purchase at our locations. The transaction price typically includes some portion of sales tax as levied in the respective jurisdictions. Those taxes that are collected for remittance to governmental entities on a pass through basis are not recognized as revenue and they are recorded to a liability account until they are paid. As noted above, a mixture of payment types are used for these revenues and the same terms for credit/debit card receivables are realized.

The most significant judgment with respect to merchandise sales revenue is determining whether we are the principal or agent for some categories of merchandise such as lottery tickets, lotto tickets, newspapers and other small categories of merchandise. For scratch-off lottery tickets, we have determined we are the principal in the majority of the jurisdictions and therefore we record those sales on a gross basis. We have some categories of merchandise (such as lotto tickets) where we are the agent and the revenues recorded for those transactions are our net commission only.

The Company offers a loyalty program through its Murphy USA, Murphy Express, and QuickChek branded retail locations. The customers earn rewards based on their spending or other promotional activities. This program creates a performance obligation which requires us to defer a portion of sales revenue to the loyalty program participants until they redeem their rewards. The rewards may be redeemed for free or discounted merchandise or cash discounts at all stores and on fuel purchases only at Murphy USA and Murphy Express stores. Earned rewards expire after an account is inactive for a period of 90 days at Murphy USA and Murphy Express, while certain QuickChek rewards require use within the month. We recognize loyalty revenue when a customer redeems an earned reward. Deferred revenue associated with both rewards program are included in Trade accounts payable and accrued liabilities in our Consolidated Balance Sheet. The deferred revenue balances at March 31, 2021 and December 31, 2020 were immaterial.

RINs sales. For the sale of RINs, we recognize revenue when the RIN is transferred to the counter-party and the sale is completed. Receivables from our counter-parties related to the RIN sales are typically collected within five days of the sale.

Other revenues. Items reported as other operating revenues include collection allowances for excise and sales tax and other miscellaneous items and are recognized as revenue when the transaction is completed.

Accounts receivable

Trade accounts receivable on the balance sheet represents both receivables related to contracts with customers and other trade receivables. At March 31, 2021 and December 31, 2020, we had $111.1 million and $88.3 million of receivables, respectively, related to contracts with customers recorded. All of the trade accounts receivable related

9

Murphy USA Inc.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(unaudited)

to contracts with customers outstanding at the end of each period were collected during the succeeding quarter. These receivables were generally related to credit and debit card transactions along with short term bulk and wholesale sales to our customers, which have a very short settlement window.

Note 3 — Inventories

Inventories consisted of the following:

(Millions of dollars)	March 31, 2021		December 31, 2020
Finished products - First-In, First-Out ("FIFO") basis	$	300.0	$	223.0
Less: Last-In, First-Out ("LIFO") reserve - finished products	(192.2)		(101.3)
Finished products - LIFO basis	107.8		121.7
Store merchandise for resale	169.0		152.0
Materials and supplies	6.2		5.4
Total inventories	$	283.0	$	279.1

At March 31, 2021 and December 31, 2020, the replacement cost (market value) of LIFO inventories exceeded the LIFO carrying value by $192.2 million and $101.3 million, respectively. The QuickChek subsidiary values its general merchandise inventory utilizing the LIFO method and values the inventory of gasoline and certain other merchandise items using the FIFO method. The QuickChek LIFO reserve balance for the period was immaterial.

Note 4 — Business Acquisition

On January 29, 2021, MUSA completed the previously announced transaction to acquire 100% of QuickChek, a privately-held convenience store chain with a regional brand consisting of 156 sites located in New Jersey and New York, in an all-cash transaction. The acquisition was made to expand the MUSA network into the Northeast by adding stores that had an existing food and beverage model and is consistent with the Company's stated strategic priorities of developing enhanced food and beverage capabilities and accelerating its growth plans.

The excess of the purchase price over the preliminary estimated fair value of the net, identifiable assets acquired was recorded as goodwill. The factors contributing to the recognition of goodwill are a mixture of direct and reverse synergies that are expected to be realized by both QuickChek and Murphy USA as a result of this acquisition. The direct synergies include additional margin capture on the retail fuel side from the tactical pricing decisions and improved benefits from increased scale on the product acquisition side combined with other cost savings in both merchandise and store operations. The reverse synergies reflect management's ability to leverage QuickChek's product pricing and operational capabilities related to food and beverage sales to Murphy's existing store footprint.

The Company has determined that the trade name has an indefinite life, as there is no economic, contractual, or other factors that limit its useful life and expects to generate value as long as the trade name is utilized, and therefore is not subject to amortization. The fair value of intangible assets was based on widely-accepted valuation techniques, including discounted cash flows.

The following table summarizes the preliminary fair value of the consideration transferred at the date of the acquisition, as well as the calculation of preliminary goodwill based on the excess of consideration over the provisional fair value of net assets acquired:

(Millions of dollars)
Cash paid to shareholders	$	642.9
Less cash and cash equivalents acquired	0.8
Fair value of consideration transferred, net of cash acquired	$	642.1

10

Murphy USA Inc.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(unaudited)

(Millions of dollars)
Assets acquired:
Accounts receivable	$	8.0
Inventories	24.3
Prepaid expenses and other current assets	5.6
Property and equipment	429.1
Right of use assets	238.1
Other assets	5.4
Identified intangible assets	106.8
Liabilities assumed:
Accounts payable and accrued expenses	(68.5)
Deferred income tax liabilities	(59.5)
Asset retirement obligation	(1.2)
Long term debt, including finance lease obligations	(136.5)
Deferred credits and other liabilities	(7.4)
Operating lease liabilities	(238.5)
Net assets acquired	305.7
Goodwill	336.4
Fair value of consideration transferred, net of cash and cash equivalents acquired	$	642.1

Due to the timing of the acquisition, the allocation of the purchase price to assets acquired and liabilities assumed is preliminary pending finalization of management's analysis and is expected to be completed prior to December 31, 2021.

The Company has not disclosed pro forma information of the combined business as the transaction is not material to revenue or net earnings.

In connection with the acquisition, the Company recognized certain acquisition-related expenses which were expensed as incurred. These expenses, recognized within acquisition related costs in the consolidated statements of operations, include amounts related to transaction and integration costs, including fees for advisory and professional services incurred as part of the acquisition and integration costs subsequent to the acquisition in the amount of $8.8 million for the three months ended March 31, 2021.

Note 5 — Goodwill and Intangible Assets

The Company's goodwill is assigned to its Marketing segment and none of the goodwill is deductible for tax purposes.

(Millions of dollars)	March 31, 2021
Balance as of January 1, 2021	$	—
QuickChek acquisition	336.4
Ending balance as of March 31, 2021	$	336.4

We amortize intangible assets subject to amortization on a straight-line or accelerated basis based on the period for which the economic benefits of the asset or liability are expected to be realized. In connection with our acquisition

11

Murphy USA Inc.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(unaudited)

of QuickChek on January 29, 2021, we recorded the following amounts of intangible assets in addition to one prior intangible asset.

			Remaining Useful Life
(Millions of dollars)	Carrying Value		(in years)
Intangible assets subject to amortization:
Pipeline space	$	34.4	34.4
Intangible lease liability	(9.0)		15.3
Intangible assets not subject to amortization:
Tradename	115.4		n/a
Liquor licenses	0.5		n/a
Total intangible assets	$	141.3

Intangible assets subject to amortization at March 31, 2021 and December 31, 2020 consisted of the following:

	March 31, 2021				December 31, 2020
(Millions of dollars)	Cost		Net		Cost		Net
Pipeline space	$	39.6	$	34.4	$	39.6	$	34.6
Intangible lease liability	(9.1)		(9.0)		—		—
	$	30.5	$	25.4	$	39.6	$	34.6

Note 6 — Long-Term Debt

Long-term debt consisted of the following:

(Millions of dollars)	March 31, 2021		December 31, 2020
3.75% senior notes due 2031 (net of unamortized discount of $6.1 at March 31, 2021)	$	493.9	$	—
5.625% senior notes due 2027 (net of unamortized discount of $2.3 at March 31, 2021 and $2.4 at December 2020)	297.7		297.6
4.75% senior notes due 2029 (net of unamortized discount of $5.3 at March 31, 2021 and $5.4 at December 31, 2020)	494.7		494.6
Term loan due 2023 (effective interest rate of n/a at March 31, 2021 and 2.67% at December 31, 2020)	—		212.5
Term loan due 2028 (effective interest rate of 2.27% at March 31, 2021) net of unamortized discount of $1.0 at March 31, 2021	399.0		—
Capitalized lease obligations, autos and equipment, due through 2025	3.2		2.1
Capitalized lease obligations, buildings, due through 2055	134.2		—
Less unamortized debt issuance costs	(12.7)		(4.4)
Total long-term debt	1,810.0		1,002.4
Less current maturities	13.2		51.2
Total long-term debt, net of current	$	1,796.8	$	951.2

12

Murphy USA Inc.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(unaudited)

Senior Notes

On April 25, 2017, Murphy Oil USA, Inc., our primary operating subsidiary, issued $300 million of 5.625% Senior Notes due 2027 (the "2027 Senior Notes") under its existing shelf registration statement. The 2027 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 2027 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.

On September 13, 2019, Murphy Oil USA, Inc., issued $500 million of 4.75% Senior Notes due 2029 (the “2029 Senior Notes”). The net proceeds from the issuance of the 2029 Senior Notes were used to fund, in part, the tender offer and redemption of the $500 million aggregate principal amount of its senior notes due 2023. The 2029 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 2029 Senior Notes contains restrictive covenants that are essentially identical to the covenants for the 2027 Senior Notes.

On January 29, 2021, Murphy Oil USA, Inc., issued $500 million of 3.75% Senior Notes due 2031 (the “2031 Senior Notes” and, together with the 2027 Senior Notes and the 2029 Senior Notes, the "Senior Notes"). The net proceeds from the issuance of the 2031 Senior Notes were used to fund the acquisition of QuickChek and for other general corporate purposes. The 2031 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 2031 Senior Notes contains restrictive covenants that are essentially identical to the covenants for the 2027 and 2029 Senior Notes.

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.

Credit Facilities and Term Loan

On January 29, 2021, the Company entered into a new credit agreement that consists of both a cash flow revolving credit facility and a senior unsecured term loan that replaced the Company's prior ABL facility and term loan contained in the credit facility that was last renewed in 2019, respectively.

The credit agreement provides for a senior secured term loan in an aggregate principal amount of $400 million million (the "Term Facility")(which was borrowed in full on January 29, 2021) and revolving credit commitments in an aggregate amount equal to $350 million (the "Revolving Facility", and together with the Term Facility, the "Credit Facilities").

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 rate of interest last quoted by The Wall Street Journal as the "Prime Rate", (b) the greater of the federal funds effective rate and the overnight bank funding rate determined by the Federal Reserve Bank of New York 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 of Adjusted LIBO Rate borrowings, (i) with respect to the Revolving Facility, spreads ranging from 1.75% to 2.25% per annum depending on a total debt to EBITDA ratio or (ii) with respect to the Term Facility, a spread of 1.75% per annum and (B) in the case of Alternate Base Rate borrowings (i) with respect to the Revolving

13

Murphy USA Inc.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(unaudited)

Facility, spreads ranging from 0.75% to 1.25% per annum depending on a total debt to EBITDA ratio or (ii) with respect to the Term Facility, a spread of 1.75% per annum.

The Term Facility amortizes in quarterly installments starting with the first amortization payment being due on July 1, 2021 at a rate of 1.00% per annum. Murphy USA is also required to prepay the Term Facility with a portion of its excess cash flow, a portion of the net cash proceeds of certain asset sales, casualty events (subject to certain reinvestment rights) and issuances of indebtedness not permitted under the Credit Agreement and with designated proceeds received from certain asset sales, issuances of indebtedness and sale-leaseback transactions, subject to certain exceptions. The Credit Agreement allows Murphy USA to prepay, in whole or in part, the Term Facility outstanding thereunder, together with any accrued and unpaid interest, with prior notice but without premium or penalty other than breakage and redeployment costs.

The credit agreement contains certain covenants that limit, among other things, the ability of the Company and certain of its 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. The Credit Agreement also contains total leverage ratio and secured net leverage ratio financial maintenance covenants which are tested quarterly. Pursuant to the total leverage ratio financial maintenance covenant, the Company must maintain a total leverage ratio of not more than 5.0 to 1.0 with an ability in certain circumstances to temporarily increase that limit to 5.5 to 1.0. In conformance to the secured net leverage ratio financial maintenance covenant, the Company must maintain a maximum secured net leverage ratio of 3.75 to 1.0 with an ability in certain circumstances to temporarily increase that limit to 4.25 to 1.0. The Credit Agreement also contains customary events of default.

Pursuant to the credit agreement's covenant limiting certain restricted payments, certain payments in respect of our equity interests, including dividends, when the total leverage ratio, calculated on a pro forma basis, is greater than 3.0 to 1.0 could be limited. At March 31, 2021, our total leverage ratio was 2.41 to 1.0 which meant our ability at that date to make restricted payments was not limited. If our total leverage ratio, on a pro forma basis, exceeds 3.0 to 1.0, any restricted payments made following that time until the ratio is once again, on a pro forma basis, below 3.0 to 1.0 would be limited by the covenant, which contains certain exceptions, including an ability to make restricted payments in cash in an aggregate amount not to exceed $100 million in any fiscal year and an additional ability to make restricted payments in an aggregate amount not to exceed the greater of $105 million or 4.5% of consolidated net tangible assets over the life of the credit agreement.

Note 7— Asset Retirement Obligations (ARO)

The majority of the ARO recognized by the Company at March 31, 2021 and December 31, 2020 is 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.

(Millions of dollars)	March 31, 2021		December 31, 2020
Balance at beginning of period	$	35.1	$	32.8
Addition for acquisition	1.2		—
Accretion expense	0.6		2.3
Settlements of liabilities	(0.2)		(0.8)
Liabilities incurred	—		0.8
Balance at end of period	$	36.7	$	35.1

14

Murphy USA Inc.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(unaudited)

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.

Note 8 — Income Taxes

The effective tax rate is calculated as the amount of income tax expense (benefit) divided by income before income tax expense (benefit). For the three month periods ended March 31, 2021 and 2020, the Company’s approximate effective tax rates were as follows:

	2021	2020
Three months ended March 31,	24.6%	23.9%

In the three months ended March 31, 2021, the Company recognized approximately $0.9 million of excess tax benefits related to stock compensation for employees and $1.0 million in expense for other discrete tax items related to state deferred tax rate adjustments due to the QuickChek acquisition. For the three months ended March 31, 2020, the Company recognized a tax benefit of approximately $0.6 million of excess tax benefits related to stock compensation and $0.4 million for other discrete tax items.

As of March 31, 2021, the earliest year remaining open for federal and state audit and/or settlement is 2017 and 2015, respectively.  Although the Company believes that recorded liabilities for uncertain tax positions are adequate, additional gains or losses could occur in future periods from resolution of outstanding unsettled matters.

Note 9 — Incentive Plans

2013 Long-Term Incentive Plan

Effective August 30, 2013, certain of our employees participate in the Murphy USA 2013 Long-Term Incentive Plan which was subsequently amended and restated effective as of February 8, 2017 (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. No more than 5.5 million shares of MUSA common stock may be delivered under the MUSA 2013 Plan and 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 $5.0 million.

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. In February 2021, the Committee granted nonqualified stock options to certain employees of the Company. The Black-Scholes valuation for these awards was $32.00 per option.

Assumptions used to value awards:
Dividend yield	0.79		%
Expected volatility	32.3		%
Risk-free interest rate	0.4		%
Expected life (years)	4.6
Stock price at valuation date	$	126.00

15

Murphy USA Inc.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(unaudited)

Changes in options outstanding for Company employees during the period from December 31, 2020 to March 31, 2021 are presented in the following table:

Options	Number of Shares	Weighted Average Exercise Price		Weighted Average Remaining Contractual Term (Years)	Aggregate Intrinsic Value (Millions of Dollars)
Outstanding at 12/31/2020	322,700	$	79.60
Granted	81,300	$	126.00
Outstanding at 3/31/2021	404,000	$	88.94	4.9	$	22.5
Exercisable at 3/31/2021	194,200	$	69.92	3.6	$	14.5

RESTRICTED STOCK UNITS (MUSA 2013 Plan) – The Committee has granted time based restricted stock units (RSUs) as part of the compensation plan for its executives and certain other employees since its inception. The awards granted in the current year were under the MUSA 2013 Plan, are valued at the grant date fair value, and vest over 3 years. 

Changes in restricted stock units outstanding for Company employees during the period from December 31, 2020 to March 31, 2021 are presented in the following table:

Employee RSUs	Number of units	Weighted Average Grant Date Fair Value		Total Fair Value (Millions of Dollars)
Outstanding at 12/31/2020	182,795	$	77.38
Granted	55,074	$	132.63
Vested and issued	(45,917)	$	71.95	$	6.6
Forfeited	(1,013)	$	80.06
Outstanding at 3/31/2021	190,939	$	94.61	$	27.6

PERFORMANCE-BASED RESTRICTED STOCK UNITS (MUSA 2013 Plan) – In February 2021, 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 18 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 $168.42 per unit.  For the ROACE portion of the awards, the valuation will be based on the grant date fair value of $126.00 per unit and the number of awards will be periodically assessed to determine the probability of vesting. 

Changes in performance-based restricted stock units outstanding for Company employees during the period from December 31, 2020 to March 31, 2021 are presented in the following table:

Employee PSU's	Number of Units	Weighted Average Grant Date Fair Value		Total Fair Value (Millions of Dollars)
Outstanding at 12/31/2020	129,340	$	97.01
Granted	64,600	$	145.91
Vested and issued	(58,302)	$	76.78	$	7.3
Outstanding at 3/31/2021	135,638	$	117.42	$	19.6

16

Murphy USA Inc.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(unaudited)

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. 

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.

Changes in restricted stock units outstanding for Company non-employee directors during the period from December 31, 2020 to March 31, 2021 are presented in the following table:

Director RSU's	Number of Units	Weighted Average Grant Date Fair Value		Total Fair Value (Millions of Dollars)
Outstanding at 12/31/2020	31,004	$	83.31
Granted	8,692	$	125.04
Vested and issued	(9,589)	$	69.37	$	1.2
Outstanding at 3/31/2021	30,107	$	99.79	$	4.4

For the three months ended March 31, 2021 and 2020, share-based compensation was $3.6 million and $2.8 million, respectively. 

Note 10 — Financial Instruments and Risk Management

DERIVATIVE INSTRUMENTS — The Company makes limited use of derivative instruments to manage certain risks related to commodity prices and interest rates. 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 credit worthy major financial institutions or over national exchanges such as the New York Mercantile Exchange (“NYMEX”). For accounting purposes, the Company has not designated commodity derivative contracts as hedges, and therefore, it recognizes all gains and losses on these derivative contracts in its Consolidated Statement of Income. Certain interest rate derivative contracts were accounted for as hedges and gain or loss associated with recording the fair value of these contracts was deferred in AOCI until the anticipated transactions occur. As of March 31, 2021, all current commodity derivative activity is immaterial.

At March 31, 2021 there was $0.9 million cash deposit and at December 31, 2020 the cash deposit was $0.6 million related to commodity derivative contracts reported in Prepaid expenses and other current assets in the Consolidated Balance Sheets. These cash deposits have not been used to increase the reported net assets or reduce the reported net liabilities on the derivative contracts at March 31, 2021 or December 31, 2020.

Interest Rate Risks

Under hedge accounting rules, the Company deferred the net charge or benefit associated with the interest rate swap entered into to manage the variability in interest payments for the variable-rate debt in association with $150.0 million of our outstanding term loan dated August 27, 2019 until the debt was repaid on January 29, 2021. At that time the hedge was de-designated and hedge accounting no longer applies as mark-to-market gains and losses were recognized in the Consolidated Statement of income in interest expense. For the three months ended March 31, 2021 there were unrealized gains of $0.4 million and realized losses of $0.2 million.The balance of the unrealized gain in accumulated comprehensive income (loss) is being amortized out of accumulated comprehensive

17

Murphy USA Inc.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(unaudited)

income (loss) to interest expense over the remaining term of the initial loan and for the three months ended March 31, 2021 the amount amortized was $0.2 million, leaving a remaining balance of $2.3 million at March 31, 2021.

Note 11 — 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 October 28, 2020, the Board of Directors approved an up to $500 million share repurchase program to be in effect through December 2023. For the three months ended March 31, 2021, the Company repurchased 397,882 shares of common stock for an average price of $125.67 per share including brokerage fees. For the three months ended March 31, 2020, 1,362,400 shares were repurchased for an average price of $103.17 per share under previous board authorizations.

The following table provides a reconciliation of basic and diluted earnings per share computations for the three months ended March 31, 2021 and 2020:

	Three Months Ended March 31,
(Millions of dollars, except share and per share amounts)	2021		2020
Earnings per common share:
Net income per share - basic
Net income attributable to common stockholders	$	55.3	$	89.3
Weighted average common shares outstanding (in thousands)	27,131		30,235
Earnings per common share	$	2.04	$	2.95

Earnings per common share - assuming dilution:
Net income per share - diluted
Net income attributable to common stockholders	$	55.3	$	89.3
Weighted average common shares outstanding (in thousands)	27,131		30,235
Common equivalent shares:
Dilutive share-based awards	357		306
Weighted average common shares outstanding - assuming dilution (in thousands)	27,488		30,541
Earnings per common share assuming dilution	$	2.01	$	2.92

18

Murphy USA Inc.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(unaudited)

We have excluded from the earnings-per-share calculation certain stock options and shares that are considered to be anti-dilutive under the treasury stock method and reported in the table below.

	Three Months Ended March 31,
Potentially dilutive shares excluded from the calculation as their inclusion would be anti-dilutive	2021	2020
Stock Options	81,300	75,600
Restricted share units	20,491	70,887
Total anti-dilutive shares	101,791	146,487

Note 12 — Other Financial Information

CASH FLOW DISCLOSURES — There were no cash income taxes paid, net of refunds and refunds of $0.5 million for the three month periods ended March 31, 2021 and 2020, respectively. Interest paid, net of amounts capitalized, was $18.4 million and $14.7 million for the three month periods ended March 31, 2021 and 2020, respectively.  

CHANGES IN WORKING CAPITAL:

	Three Months Ended March 31,
(Millions of dollars)	2021		2020
Accounts receivable	$	(5.3)	$	37.3
Inventories	20.5		(16.7)
Prepaid expenses and other current assets	(3.3)		13.7
Accounts payable and accrued liabilities	81.6		(66.1)
Income taxes payable	14.5		6.1
Net (increase) decrease in noncash operating working capital	$	108.0	$	(25.7)

Note 13 — 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 derivative contracts was determined using NYMEX quoted values but was immaterial.

The following table presents the carrying amounts and estimated fair values of financial instruments held by the Company at March 31, 2021 and December 31, 2020. 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, Restricted cash, 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.  

19

Murphy USA Inc.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(unaudited)

	At March 31, 2021				At December 31, 2020
	Carrying				Carrying
(Millions of dollars)	Amount		Fair Value		Amount		Fair Value
Financial liabilities
Current and long-term debt	$	(1,672.6)	$	(1,710.6)	$	(1,002.4)	$	(1,029.9)

Note 14 — 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. 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 March 31, 2021, 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. 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 March 31, 2021. 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.

20

Murphy USA Inc.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(unaudited)

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.

Other than as noted above, 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, general liability insurance with a self-insured retention of $3.0 million per occurrence, and auto liability insurance with a deductible of $0.3 million per occurrence. As of March 31, 2021, 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 $37.0 million will be sufficient to cover the related liability for all insurance claims 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 March 31, 2021, the Company had contingent liabilities of $13.8 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.

Note 15 — Lease Accounting

The Company determines if an arrangement is a lease or contains a lease at inception. Operating lease right-of-use assets and liabilities are recognized at commencement date based on the present value of lease payments over the lease term. Leases with an initial term of 12 months or less are not recorded on the balance sheet; we recognize lease expense for these leases on a straight-line basis over the lease term. The Company's leases have remaining lease terms of approximately 1 year to 35 years, which may include the option to extend the lease when it is reasonably certain the Company will exercise the option. Most leases include one or more options to renew, with renewal terms that can extend the lease term from 5 to 20 years or more. The exercise of lease renewal options is at the Company's sole discretion. Due to the uncertainties of future markets, economic factors, technology changes, demographic shifts and behavior, environmental regulatory requirements and other information that impacts decisions as to station location, management has determined that it was not reasonably certain to exercise contract options and they are not included in the lease term. Additionally, short-term leases and leases with variable lease costs are immaterial. The Company reviews all options to extend, terminate, or otherwise modify its lease agreements to determine if changes are required to the right of use assets and liabilities.

21

Murphy USA Inc.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(unaudited)

As the implicit interest rate is not readily determinable in most of the Company's lease agreements, the Company uses its estimated secured incremental borrowing rate based on the information available at commencement date in determining the present value of lease payments.

Lessor — We have various arrangements for certain spaces for food service and vending equipment as well as subleases under which we are the lessor. These leases meet the criteria for operating lease classification. Lease income associated with these leases is immaterial.

Lessee —We lease land for 392 stations, one terminal, an office building, a hangar and various equipment. Our lease agreements do not contain any material residual value guarantees and approximately 102 sites leased from Walmart contain restrictive covenants, though the restrictions are deemed to have an immaterial impact.

Leases are reflected in the following balance sheet accounts:

(Millions of dollars)	Classification	March 31, 2021		December 31, 2020
Assets
Operating (Right-of-use)	Operating lease right-of-use assets	$	395.6	$	147.7
Finance	Property, plant, and equipment, at cost, less accumulated depreciation of $5.0 at March 31, 2021 and $2.8 at December 31, 2020	137.3		2.6
Total leased assets		$	532.9	$	150.3
Liabilities
Current
Operating	Trade accounts payable and accrued liabilities	$	17.0	$	7.8
Finance	Current maturities of long-term debt	10.2		1.2
Noncurrent
Operating	Non current operating lease liabilities	382.3		142.5
Finance	Long-term debt, including capitalized lease obligations	127.2		0.9
Total lease liabilities		$	536.7	$	152.4

Lease Cost:

		Three Months Ended March 31,
(Millions of dollars)	Classification	2021		2020
Operating lease cost	Station and other operating expenses	$	8.9	$	3.9
Finance lease cost
Amortization of leased assets	Depreciation & amortization expense	2.6		0.3
Interest on lease liabilities	Interest expense	1.4		—
Net lease costs		$	12.9	$	4.2

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Murphy USA Inc.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(unaudited)

Cash flow information:

	Three Months Ended March 31,
(Millions of dollars)	2021		2020
Cash paid for amounts included in the measurement of liabilities
Operating cash flows from operating leases	$	8.2	$	3.7
Operating cash flows from finance leases	$	1.4	$	—
Financing cash flows from finance leases	$	1.8	$	0.4

Maturity of Lease Liabilities at March 31, 2021:

(Millions of dollars)	Operating leases		Finance leases
2021	$	30.9	$	14.1
2022	41.0		18.0
2023	40.0		16.7
2024	39.7		15.2
2025	39.3		14.5
After 2025	468.0		148.9
Total lease payments	658.9		227.4
less: interest	259.6		90.0
Present value of lease liabilities	$	399.3	$	137.4

Lease Term and Discount Rate:

	Three Months Ended March 31,
	2021
Weighted average remaining lease term (years)
Finance leases	14.9
Operating leases	18.0
Weighted average discount rate
Finance leases	5.2	%
Operating leases	6.0	%

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Murphy USA Inc.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(unaudited)

Note 16 — Business Segment

The Company's operations have one reportable segment which is Marketing.  The 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 ("PS&W") group. As the primary purpose of the PS&W 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 performed 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 functions of the Company. Results not included in the reportable segment include Corporate and Other Assets. Net settlement proceeds from litigation are included in Corporate and other assets operating income. The reportable segment was determined based on information reviewed by the Chief Operating Decision Maker (CODM).

			Three Months Ended
			March 31, 2021				March 31, 2020
	Total Assets at		External Revenues		Income (Loss)		External Revenues		Income (Loss)
(Millions of dollars)	March 31, 2021
Marketing	$	3,567.3	$	3,537.1	$	80.4	$	3,184.7	$	100.9
Corporate and other assets	413.3		—		(25.1)		0.1		(11.6)
Total	$	3,980.6	$	3,537.1	$	55.3	$	3,184.8	$	89.3

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ITEM 2.  MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

Management’s Discussion and Analysis of Financial Condition and Results of Operations (“Management’s Discussion and Analysis” or "MD&A") is the Company’s analysis of its financial performance and of significant trends that may affect future performance. It should be read in conjunction with the consolidated financial statements and notes included in this Quarterly Report on Form 10-Q. It contains forward-looking statements including, without limitation, statements relating to the Company’s plans, strategies, objectives, expectations and intentions. The words “anticipate,” “estimate,” “believe,” “budget,” “continue,” “could,” “intend,” “may,” “plan,” “potential,” “predict,” “seek,” “should,” “will,” “would,” “expect,” “objective,” “projection,” “forecast,” “goal,” “guidance,” “outlook,” “effort,” “target” and similar expressions identify forward-looking statements. The Company does not undertake to update, revise or correct any of the forward-looking information unless required to do so under the federal securities laws. Readers are cautioned that such forward-looking statements should be read in conjunction with the Company’s disclosures under “Forward-Looking Statements” and “Risk Factors” included elsewhere in this Quarterly Report on Form 10-Q.

For purposes of this Management’s Discussion and Analysis, references to “Murphy USA”, the “Company”, “we”, “us” and “our” refer to Murphy USA Inc. and its subsidiaries on a consolidated basis.  

Management’s Discussion and Analysis is organized as follows:

•Executive Overview—This section provides an overview of our business and the results of operations and financial condition for the periods presented. It includes information on the basis of presentation with respect to the amounts presented in the Management’s Discussion and Analysis and a discussion of the trends affecting our business.

•Results of Operations—This section provides an analysis of our results of operations, including the results of our operating segment for the three months ended March 31, 2021 and 2020.

•Capital Resources and Liquidity—This section provides a discussion of our financial condition and cash flows as of and for the three months ended March 31, 2021 and 2020. It also includes a discussion of our capital structure and available sources of liquidity.

•Critical Accounting Policies—This section describes the accounting policies and estimates that we consider most important for our business and that require significant judgment.

Executive Overview

The following MD&A is intended to help the reader understand our results of operations and financial condition. This section is provided to supplement, and should be read in conjunction with, our consolidated financial statements and the accompanying notes to these financial statements contained elsewhere in this Quarterly Report on Form 10-Q, this MD&A section and the consolidated financial statements in our Annual Report on Form 10-K.  Our Form 10-K contains a discussion of matters not included within this document, such as disclosures regarding critical accounting policies and estimates, and contractual obligations.

On January 29, 2021, MUSA acquired 100% of Quick Chek Corporation ("QuickChek"), a privately held convenience store chain with a strong regional brand consisting of 156 sites located in New Jersey and New York, in an all-cash transaction. The acquisition expands the MUSA network into the Northeast by adding high-performance stores that had an existing best-in-class food and beverage model and is consistent with the Company's stated strategic priorities of developing enhanced food and beverage capabilities. For additional information concerning the acquisition, see Note 4, "Business Acquisition" in the accompanying unaudited consolidated financial statements.

Our Business

We market refined products through a network of retail gasoline stations and to unbranded wholesale customers. In addition, it operates non-fuel convenience stores in select markets in the Northeast. Murphy USA operates a chain of owned retail stations under the brand name of Murphy USA® which are almost all located in close proximity to Walmart stores in 25 states, markets gasoline and other products at standalone stations under the Murphy Express

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brand, and QuickChek has a mix of convenience stores and retail gasoline stations located in New Jersey and New York. At March 31, 2021, Murphy USA had a total of 1,660 Company stations of which 1,151 were Murphy USA, 353 were Murphy Express and 156 were QuickChek.

Basis of Presentation

Murphy USA was incorporated in March 2013, and until the separation from Murphy Oil Corporation was completed on August 30, 2013, it had not commenced operations and had no material assets, liabilities or commitments.  The financial information presented in this Management’s Discussion and Analysis is derived from the consolidated financial statements of Murphy USA Inc. and its subsidiaries for all periods presented. QuickChek uses a weekly retail calendar where each quarter has 13 weeks and its historical fiscal year end was the Friday nearest to October 31. For Q1 2021, the results provided include the period from January 29, 2021 to April 2, 2021. The impact of the two additional days of April business included in Q1 are immaterial to the overall consolidated results.

Trends Affecting Our Business

Our operations are significantly impacted by the gross margins we receive on our fuel sales. These gross margins are commodity-based, change daily and are volatile. While we generally expect our total fuel sales volumes to grow over time and the gross margins we realize on those sales to remain strong in a normalized environment, these gross margins can change rapidly due to many factors.  These factors include, but are not limited to, the price of refined products, interruptions in supply caused by severe weather, travel restrictions and stay-at-home orders imposed during a pandemic such as COVID-19, severe refinery mechanical failures for an extended period of time, and competition in the local markets in which we operate. The COVID-19 pandemic continued to impact gasoline demand in the first quarter of 2021 but demand is growing as the pandemic pressures lessen, COVID-19 vaccines become more readily available, government intervention decreases, and we enter the spring and summer driving season. If the recoveries experienced to-date stall or reverse as a result of a resurgence in COVID-19 infection rates and related government intervention, our volumes could decline. Incrementally higher fuel margins related to a volume decline may help mitigate any adverse financial impact.

The cost of our main sales products, gasoline and diesel, is greatly impacted by the cost of crude oil in the United States.  Generally, rising prices for crude oil increase the Company’s cost for wholesale fuel products purchased.  When wholesale fuel costs rise, the Company is not always able to immediately pass these price increases on to its retail customers at the pump, which in turn impacts the Company’s sales margin. Also, rising prices tend to cause our customers to reduce discretionary fuel consumption, which tends to reduce our fuel sales volumes.  Crude oil prices continued the volatile trend in 2021 with prices ranging from $47 per barrel to $66 per barrel and closed Q1 at approximately $59 per barrel, which is $39 per barrel higher than the average price reported a year ago. There was little change in fuel contribution on a cents per gallon ("cpg") basis, as retail and PS&W price changes largely offset each other. Total fuel contribution (retail fuel margin plus product supply and wholesale ("PS&W") results including Renewable Identification Numbers ("RINs")) for Q1 2021 was 22.5 cpg, no change from the prior year period. However, retail fuel volumes decreased 4.2% and retail fuel margins decreased 42.4% in the current quarter resulting in a decrease in retail fuel contribution of $126.1 million in Q1 2021 compared to Q1 2020.

Our revenues are impacted by the ability to leverage our diverse supply infrastructure in pursuit of obtaining the lowest cost fuel supply available; for example, activities such as blending bulk fuel with ethanol and bio-diesel to capture and subsequently sell RINs. Under the Energy Policy Act of 2005, the Environmental Protection Agency (“EPA”) is authorized to set annual quotas establishing the percentage of motor fuels consumed in the United States that must be attributable to renewable fuels. Obligated parties are required to demonstrate that they have met any applicable quotas by submitting a certain amount of RINs to the EPA. RINs in excess of the set quota can be sold in a market for RINs at then-prevailing prices. The market price for RINs fluctuates based on a variety of factors, including but not limited to governmental and regulatory action. There are other market related factors that can impact the net benefit we receive from RINs on a company-wide basis either favorably or unfavorably. The Renewable Fuel Standard ("RFS") program continues to be unpredictable and prices received for ethanol RINs averaged $1.06 in Q1 2021 compared to $0.22 in Q1 2020. Our business model does not depend on our ability to generate revenues from RINs. Revenue from the sales of RINs is included in “Other operating revenues” in the Consolidated Statements of Income.

As of March 31, 2021, we have $1.3 billion of Senior Notes and a $400 million term loan outstanding. We believe that we will generate sufficient cash from operations to fund our ongoing operating requirements and service our debt obligations. At March 31, 2021, we have additional available capacity under the committed $350 million cash flow revolving credit facility. We expect to use the credit facilities to provide us with available financing to meet any

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short-term ongoing cash needs in excess of internally generated cash flows. To the extent necessary, we will borrow under these facilities to fund our ongoing operating requirements. There can be no assurances, however, that we will generate sufficient cash from operations or be able to draw on the credit facilities, obtain commitments for our incremental facility and/or obtain and draw upon other credit facilities. For additional information see Significant Sources of Capital in the Capital Resources and Liquidity section.

The Company currently anticipates total capital expenditures (including land for future developments) for the full year 2021 to range from approximately $325 million to $375 million depending on how many new sites are completed.  We intend to fund the remainder of our capital program in 2021 primarily using operating cash flow but will supplement funding where necessary using borrowings available under cash flow revolving credit facilities.

We believe that our business will continue to grow in the future as we expect to build additional locations that have the characteristics we look for in a strong site as chosen by our real estate development team. The pace of this growth is continually monitored by our management, and these plans can be altered based on operating cash flows generated and the availability of debt facilities.

We currently estimate our ongoing effective tax rate to be between 24% and 26% for the remainder of the year.

Seasonality

Our business has inherent seasonality due to the concentration of our retail sites in certain geographic areas, as well as customer activity behaviors during different seasons.  In general, sales volumes and operating incomes are typically highest in the second and third quarters during the summer-activity months and lowest during the winter months.  As the pandemic-related travel restraints are decreased or removed in 2021, we expect the historical seasonal patterns to slowly return during the remainder of the year. At the present time, we cannot forecast the exact timing of the recovery during 2021. As a result, operating results for the three months ended March 31, 2021 may not be necessarily indicative of the results that may be expected for the year ending December 31, 2021.

Business Segment

The Company has one operating segment which is Marketing.  This segment includes our retail marketing sites and product supply and wholesale assets.  For additional operating segment information, see Note 20 “Business Segments” in the audited combined financial statements for the year ended December 31, 2020 included with our Annual Report on Form 10-K and Note 16 “Business Segments” in the accompanying unaudited consolidated financial statements for the three months ended March 31, 2021.

Results of Operations

Consolidated Results

For the three months ended March 31, 2021, the Company reported net income of $55.3 million, or $2.01 per diluted share, on revenue of $3.5 billion. Net income was $89.3 million for the same period in 2020, or $2.92 per diluted share, on $3.2 billion in revenue.  The decrease in net income is primarily due to lower all-in fuel contribution, higher station operating expense, and increased interest expense, partially offset by an improved merchandise contribution. The consolidated financial results include QuickChek from the date of acquisition, January 29, 2021 through April 2, 2021.

Three Months Ended March 31, 2021 versus Three Months Ended March 31, 2020

Quarterly revenues for 2021 increased $0.3 billion, or 11.1%, compared to the same quarter in 2020.  The increase in revenues was due to higher retail fuel sales prices, increased merchandise sales, improved PS&W revenues including RINs, and the inclusion of QuickChek results which were partially offset by the decrease in retail fuel sales volumes.

Total cost of sales increased $0.3 billion, or 11.3% when compared to 2020.  In the current-year quarter, the higher costs were primarily due to higher wholesale fuel prices, higher merchandise costs and the inclusion of QuickChek results and were partially offset by lower fuel costs due to decreased fuel volumes sold.

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Station and other operating expenses increased $42.0 million, or 31.1%, from Q1 2020, due primarily to the inclusion of QuickChek stores which have higher station operating costs due to its larger format stores with an enhanced food and beverage offering and other related store costs.

SG&A expenses for Q1 2021 increased $5.1 million, or 13.0%, from Q1 2020. The increase in SG&A costs is primarily due to the inclusion of QuickChek.

Depreciation and amortization expense increased $11.6 million from Q1 2020 primarily due to the inclusion of QuickChek combined with newer larger store formats and raze-and-rebuild activity.

The effective income tax rate was approximately 24.6% for Q1 2021 versus 23.9% for the same period of 2020. The increase in the effective tax rate was due to a discrete tax item related to adjustments of deferred state income taxes from the acquisition of QuickChek that was partially offset by excess tax benefits on stock compensation vesting.

Segment Results

A summary of the Company’s earnings by business segment follows:

	Three Months Ended March 31,
(Millions of dollars)	2021		2020
Marketing	$	80.4	$	100.9
Corporate and other assets	(25.1)		(11.6)
Net Income	$	55.3	$	89.3

Three Months Ended March 31, 2021 versus Three Months Ended March 31, 2020

Net income for the three months ended March 31, 2021 decreased compared to the same period in 2020 primarily due to:

•Lower retail fuel contribution

•Lower retail fuel volume sold

•Higher station and other operating expenses

•Higher SG&A expenses

•Higher depreciation and amortization expense

•Acquisition related costs

•Higher interest expense

The items below partially offset the decrease in net income in the current period: 

•Higher contribution from PS&W, including RINs

•Higher merchandise contribution

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(Millions of dollars, except revenue per store month (in thousands) and store counts)	Three Months Ended March 31,
Marketing Segment	2021		2020
Operating Revenues
Petroleum product sales	$	2,635.8	$	2,480.2
Merchandise sales	833.2		687.5
Other operating revenues	68.1		17.0
Total operating revenues	3,537.1		3,184.7
Operating expenses
Petroleum products cost of goods sold	2,476.1		2,259.8
Merchandise cost of goods sold	684.8		580.0
Station and other operating expenses	177.1		135.1
Depreciation and amortization	46.9		35.9
Selling, general and administrative	44.3		39.2
Accretion of asset retirement obligations	0.6		0.6
Total operating expenses	3,429.8		3,050.6
Gain (loss) on sale of assets	0.1		0.1
Income (loss) from operations	107.4		134.2
Other income (expense)
Interest expense	(1.5)		—
Total other income (expense)	(1.5)		—
Income (loss) before income taxes	105.9		134.2
Income tax expense (benefit)	25.5		33.3
Income (loss) from operations	$	80.4	$	100.9
Total tobacco sales revenue same store sales1,2	$	114.9	$	112.3
Total non-tobacco sales revenue same store sales1,2	46.4		41.5
Total merchandise sales revenue same store sales1,2	$	161.3	$	153.8
12020 amounts not revised for 2021 raze-and-rebuild activity
2Includes site-level discounts for MDR redemptions and excludes change in value of unredeemed MDR points
Store count at end of period	1,660		1,491
Total store months during the period	4,833		4,461

Average Per Store Month (APSM) metric includes all stores open through the date of the calculation, including stores acquired during the period.

Same store sales (SSS) metric includes aggregated individual store results for all stores open throughout both periods presented. For all periods presented, the store must have been open for the entire calendar year to be included in the comparison. Remodeled stores that remained open or were closed for just a very brief time (less than a month) during the period being compared remain in the same store sales calculation. If a store is replaced either at the same location (raze-and-rebuild) or relocated to a new location, it will be excluded from the calculation during the period it is out of service. Newly constructed sites do not enter the calculation until they are open for each full calendar year for the periods being compared (open by January 1, 2020 for the sites being compared in the 2021 versus 2020 comparison). Acquired stores are not included in the calculation of same stores for the first 12

29

months after the acquisition. When prior period same store sales volumes or sales are presented, they have not been revised for current year activity for raze-and-rebuilds, asset acquisitions and asset dispositions.

QuickChek uses a weekly retail calendar where each quarter has 13 weeks and its historical fiscal year end was the Friday nearest to October 31. For the Q1 2021 period, the results provided include the period from January 29, 2021 to April 2, 2021. The impact of the 2 additional days are immaterial to the overall consolidated results.

Fuel

	Three Months Ended March 31,
Key Operating Metrics	2021		2020
Total retail fuel contribution ($ Millions)	$	156.9	$	283.0
Total PS&W contribution ($ Millions)	3.7		(61.5)
RINs and other (included in Other operating revenues on Consolidated Income Statement) ($ Millions)	66.7		15.5
Total fuel contribution ($ Millions)	$	227.3	$	237.0
Retail fuel volume - chain (Million gal)	1,009.1		1,053.7
Retail fuel volume - per site (K gal APSM)1	215.1		236.2
Retail fuel volume - per site (K gal SSS)2	212.9		232.6
Total fuel contribution (including retail, PS&W and RINs) (cpg)	22.5		22.5
Retail fuel margin (cpg)	15.5		26.9
PS&W including RINs contribution (cpg)	7.0		(4.4)
1APSM metric includes all stores open through the date of calculation
22020 amounts not revised for 2021 raze-and-rebuild activity

The reconciliation of the components of total fuel contribution to the Consolidated Income Statements is as follows:

	Three Months Ended March 31,
(Millions of dollars)	2021		2020
Petroleum product sales	$	2,635.8	$	2,480.2
Less Petroleum product cost of goods sold	(2,476.1)		(2,259.8)
Plus RINs and other (included in Other Operating Revenues line)	67.6		16.6
Total fuel contribution	$	227.3	$	237.0

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Merchandise

	Three Months Ended March 31,
Key Operating Metrics	2021			2020
Total merchandise contribution ($ Millions)	$	148.4		$	107.5
Total merchandise sales ($ Millions)	$	833.2		$	687.5
Total merchandise sales ($K SSS)1,2	$	161.3		$	153.8
Merchandise unit margin (%)	17.8		%	15.6		%
Tobacco contribution ($K SSS)1,2	$	15.6		$	15.5
Non-tobacco contribution ($K SSS)1,2	$	9.8		$	9.0
Total merchandise contribution ($K SSS)1,2	$	25.4		$	24.5
12020 amounts not revised for 2021 raze-and-rebuild activity
2Includes site-level discounts for MDR redemptions and excludes change in value of unredeemed MDR points

Three Months Ended March 31, 2021 versus Three Months Ended March 31, 2020 

Net income in the Marketing segment for Q1 2021 decreased $20.5 million compared to the Q1 2020 period, due to lower all-in fuel contributions, higher station operating expense, higher SG&A costs, and additional depreciation and amortization expense, partially offset by increased merchandise contribution. Total fuel contribution decreased $9.7 million in Q1 2021 compared to Q1 2020 due mainly to a lower fuel sales volume related to travel reductions caused by COVID concerns and a lower retail fuel margin, which were partially offset by the inclusion of QuickChek and higher PS&W results including RINs contribution.

Total revenues for the Marketing segment were approximately $3.5 billion in Q1 2021 compared to $3.2 billion in Q1 2020. The increased revenues were due to a 10.7% increase in retail fuel sales prices partially offset by a 4.2% decrease in the number of gallons sold, improved PS&W revenues, including RINs, and a 21.2% increase in merchandise sales.  Revenues included excise taxes collected and remitted to government authorities of $469.6 million in Q1 2021 and $473.5 million in Q1 2020.  

Retail fuel margin dollars decreased 44.6% compared to the prior year quarter on a lower total sales volume and a smaller margin rate of 15.5 cpg for Q1 2021 when compared to 26.9 cpg in the same quarter of 2020. The decrease in the cpg margin rate was due primarily to higher prices paid for fuel. Total fuel sales volumes on a SSS basis decreased 10.1% to 212.9 thousand gallons per store in the 2021 period. 

Total PS&W margin dollars, excluding RINs, were a gain of $3.7 million in the 2021 period compared to a loss of $61.5 million in Q1 2020. The increase in the current period was due primarily to changes in refined product inventory levels and commodity prices.

The 2021 quarter includes the sale of RINs of $66.7 million compared to $15.5 million in Q1 2020, which consisted of sales of 63 million RINs at an average selling price of $1.06 per RIN while the prior-year quarter had sales of 69 million RINs at an average price of $0.22 per RIN.

Total merchandise sales increased 21.2% to $833.2 million in Q1 2021 compared to $687.5 million in Q1 2020 due to higher sales across the chain in most categories and the inclusion of QuickChek results. Quarterly total merchandise contribution in 2021 improved 38.1% compared to Q1 2020.  Total SSS merchandise contribution dollars grew 3.7%. On a SSS basis there was an increase of 2.2% in tobacco products sales and 9.9% in non-tobacco sales, including higher beverage and general merchandise sales.

Station and other operating expenses increased $42.0 million in the current period compared to Q1 2020 levels, primarily due to the inclusion of QuickChek, which has higher station operating expense due to its larger format stores and greater food and beverage offering. On an APSM basis, expenses applicable to station OPEX excluding payment fees and rent increased 25.8%, primarily due to the inclusion of higher QuickChek related store costs.

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Depreciation and amortization expense increased $11.0 million in Q1 2021 due primarily to the inclusion of QuickChek combined with new larger store formats and raze-and-rebuild activity.

Same store sales information compared to APSM metrics

	Variance from prior year
	Three months ended
	March 31, 2021
	SSS1		APSM2
Fuel gallons per month	(10.1)	%	(8.9)	%
Merchandise sales	4.3	%	11.9	%
Tobacco sales	2.2	%	1.3	%
Non-tobacco sales	9.9	%	40.5	%
Merchandise margin	3.7	%	27.5	%
Tobacco margin	2.0	%	2.9	%
Non-tobacco margin	6.5	%	69.0	%
1Includes site-level discounts for MDR redemptions and excludes change in value of unredeemed MDR points
2Includes all MDR activity

Corporate and Other Assets

Three Months Ended March 31, 2021 versus Three Months Ended March 31, 2020

After-tax results for Corporate and other assets for Q1 2021 were a loss of $25.1 million compared to a loss of $11.6 million in Q1 2020, due primarily to the acquisition related costs and increased interest expense.

Non-GAAP Measures

The following table sets forth the Company’s Adjusted EBITDA for the three months ended March 31, 2021 and 2020.  EBITDA means net income (loss) plus net interest expense, plus income tax expense, depreciation and amortization, and Adjusted EBITDA adds back (i) other non-cash items (e.g., impairment of properties and accretion of asset retirement obligations) and (ii) other items that management does not consider to be meaningful in assessing our operating performance (e.g., (income) from discontinued operations, net settlement proceeds, (gain) loss on sale of assets, loss on early debt extinguishment, transaction and integration costs related to acquisition, and other non-operating (income) expense).  EBITDA and Adjusted EBITDA are not measures that are prepared in accordance with U.S. generally accepted accounting principles (GAAP).

We use Adjusted EBITDA in our operational and financial decision-making, believing that the measure is useful to eliminate certain items in order to focus on what we deem to be a more reliable indicator of ongoing operating performance and our ability to generate cash flow from operations. Adjusted EBITDA is also used by many of our investors, research analysts, investment bankers, and lenders to assess our operating performance. We believe that the presentation of Adjusted EBITDA provides useful information to investors because it allows understanding of a key measure that we evaluate internally when making operating and strategic decisions, preparing our annual plan, and evaluating our overall performance. However, non-GAAP measures are not a substitute for GAAP disclosures, and EBITDA and Adjusted EBITDA may be prepared differently by us than by other companies using similarly titled non-GAAP measures.

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The reconciliation of net income (loss) to EBITDA and Adjusted EBITDA is as follows:

	Three Months Ended March 31,
(Millions of dollars)	2021		2020
Net income	$	55.3	$	89.3
Income tax expense (benefit)	18.0		28.0
Interest expense, net of interest income	21.3		12.5
Depreciation and amortization	51.0		39.4
EBITDA	145.6		169.2
Accretion of asset retirement obligations	0.6		0.6
(Gain) loss on sale of assets	(0.2)		(0.1)
Acquisition related costs	8.8		—
Other nonoperating (income) expense	—		1.0
Adjusted EBITDA	$	154.8	$	170.7

Capital Resources and Liquidity

Significant Sources of Capital

We have a committed $350 million cash flow revolving credit facility (the "revolving facility”), which was undrawn at March 31, 2021 (which can be utilized for working capital and other general corporate purposes, including supporting our operating model as described herein).  

We believe our short-term and long-term liquidity is adequate to fund not only our operations, but also our anticipated near-term and long-term funding requirements, including capital spending programs, execution of announced share repurchase programs, potential dividend payments, repayment of debt maturities and other amounts that may ultimately be paid in connection with contingencies.

Operating Activities

Net cash provided by operating activities was $229.8 million for the three months ended March 31, 2021 and was $113.7 million for the comparable period in 2020. The increase for the current year is primarily due to changes in working capital, an increase in depreciation expense, and was partially offset by the decrease in net income of $34.0 million compared to the corresponding period in 2020. Non-cash operating working capital improved to $108.0 million mainly due to changes in the current year of a $5.3 million increase in accounts receivable, a $3.3 million increase in prepaid expenses and other current assets and a $14.5 million increase in income taxes payable, which were partially offset by a $20.5 million decrease in inventories and a $81.6 million increase in accounts payable and accrued liabilities. The changes in accounts payable and accrued liabilities were due to the timing of payments, increased prices of wholesale fuel, and the inclusion of QuickChek activity.

Investing Activities

For the three months ended March 31, 2021, cash required by investing activities was $696.3 million compared to $47.2 million in 2020. The increase in investing cash requirements in the current period was primarily due to the cash payments for the acquisition of QuickChek, and the timing of capital expenditures. Other investing activities required $0.9 million in cash during 2021 compared to cash required of $0.8 million in 2020.

Financing Activities

Financing activities in the three months ended March 31, 2021 provided cash of $607.0 million compared to $146.5 million of cash required in the three months ended March 31, 2020. The first three months of 2021 included

33

payments of $50.0 million for the repurchase of common shares, which was a decrease of $90.6 million from the prior-year period. Borrowings of debt in 2021 provided $893 million compared to no borrowings in the same period of 2020. Repayments of debt required $214.4 million in 2021 compared to $0.3 million in 2020. Debt issuance required cash of $8.8 million in 2021 and there were no such costs in 2020. Amounts related to share-based compensation required $0.2 million more in cash during 2021 than in 2020.

Share Repurchase Program

During the quarter ended March 31, 2021, a total of 397,882 shares were repurchased for $50.0 million, all made under the $500 million share repurchase program approved by the Board of Directors in November 2020, with approximately $325.0 million remaining in the plan.

Debt

Our long-term debt at March 31, 2021 and December 31, 2020 was as set forth below:

(Millions of dollars)	March 31, 2021		December 31, 2020
3.75% senior notes due 2031 (net of unamortized discount of $6.1 at March 31, 2021)	$	493.9	$	—
5.625% senior notes due 2027 (net of unamortized discount of $2.3 at March 31, 2021 and $2.4 at December 2020)	297.7		297.6
4.75% senior notes due 2029 (net of unamortized discount of $5.3 at March 31, 2021 and $5.4 at December 31, 2020)	494.7		494.6
Term loan due 2023 (effective interest rate of 2.67% at December 31, 2020)	—		212.5
Term loan due 2028 (effective interest rate of 2.27% at March 31, 2021) (net of unamortized discount of $1.0)	399.0		—
Capitalized lease obligations, autos and equipment, due through 2025	3.2		2.1
Capitalized lease obligations, buildings, due through 2055	134.2		—
Less unamortized debt issuance costs	(12.7)		(4.4)
Total notes payable, net	1,810.0		1,002.4
Less current maturities	13.2		51.2
Total long-term debt, net of current	$	1,796.8	$	951.2

Senior Notes

On April 25, 2017, Murphy Oil USA, Inc., our primary operating subsidiary, issued $300 million of 5.625% Senior Notes due 2027 (the "2027 Senior Notes") under its existing shelf registration statement. The 2027 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 2027 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.

On September 13, 2019, Murphy Oil USA, Inc., issued $500 million of 4.75% Senior Notes due 2029 (the “2029 Senior Notes”). The net proceeds from the issuance of the 2029 Senior Notes were used to fund, in part, the tender offer and redemption of the $500 million aggregate principal amount of its senior notes due 2023. The 2029 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 2029 Senior Notes contains restrictive covenants that are essentially identical to the covenants for the 2027 Senior Notes.

On January 29, 2021, Murphy Oil USA, Inc., issued $500 million of 3.75% Senior Notes due 2031 (the “2031 Senior Notes” and, together with the 2027 Senior Notes and the 2029 Senior Notes, the "Senior Notes"). The net proceeds from the issuance of the 2031 Senior Notes were used to fund the acquisition of QuickChek and for other general

34

corporate purposes. The 2031 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 2031 Senior Notes contains restrictive covenants that are essentially identical to the covenants for the 2027 and 2029 Senior Notes.

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.

Credit Facilities and Term Loan

On January 29, 2021, the Company entered into a new credit agreement that consists of both a cash flow revolving credit facility and a senior unsecured term loan that replaced the Company's prior ABL facility and term loan contained in the credit facility that was last renewed in 2019, respectively.

The credit agreement provides for a senior secured term loan in an aggregate principal amount of $400 million (the "Term Facility")(which was borrowed in full on January 29, 2021) and revolving credit commitments in an aggregate amount equal to $350 million (the "Revolving Facility", and together with the Term Facility, the "Credit Facilities").

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 rate of interest last quoted by The Wall Street Journal as the "Prime Rate", (b) the greater of the federal funds effective rate and the overnight bank funding rate determined by the Federal Reserve Bank of New York 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 of Adjusted LIBO Rate borrowings, (i) with respect to the Revolving Facility, spreads ranging from 1.75% to 2.25% per annum depending on a total debt to EBITDA ratio or (ii) with respect to the Term Facility, a spread of 1.75% per annum and (B) in the case of Alternate Base Rate borrowings (i) with respect to the Revolving Facility, spreads ranging from 0.75% to 1.25% per annum depending on a total debt to EBITDA ratio or (ii) with respect to the Term Facility, a spread of 1.75% per annum.

The Term Facility amortizes in quarterly installments starting with the first amortization payment being due on July 1, 2021 at a rate of 1.00% per annum. Murphy USA is also required to prepay the Term Facility with a portion of its excess cash flow, a portion of the net cash proceeds of certain asset sales, casualty events (subject to certain reinvestment rights) and issuances of indebtedness not permitted under the Credit Agreement and with designated proceeds received from certain asset sales, issuances of indebtedness and sale-leaseback transactions, subject to certain exceptions. The Credit Agreement allows Murphy USA to prepay, in whole or in part, the Term Facility outstanding thereunder, together with any accrued and unpaid interest, with prior notice but without premium or penalty other than breakage and redeployment costs.

The credit agreement contains certain covenants that limit, among other things, the ability of the Company and certain of its 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. The Credit Agreement also contains total leverage ratio and secured net leverage ratio financial maintenance covenants which are tested quarterly. Pursuant to the total leverage ratio financial maintenance covenant, the Company must maintain a total leverage ratio of not more than 5.0 to 1.0 with an ability in certain circumstances to temporarily increase that limit to 5.5 to 1.0. In conformance to the secured net leverage ratio financial maintenance covenant, the Company must maintain a maximum secured net leverage ratio of 3.75 to 1.0 with an ability in certain circumstances to temporarily increase that limit to 4.25 to 1.0. The Credit Agreement also contains customary events of default.

35

Pursuant to the credit agreement's covenant limiting certain restricted payments, certain payments in respect of our equity interests, including dividends, when the total leverage ratio, calculated on a pro forma basis, is greater than 3.0 to 1.0 could be limited. At March 31, 2021, our total leverage ratio was 2.41 to 1.0 which meant our ability at that date to make restricted payments was not limited. If our total leverage ratio, on a pro forma basis, exceeds 3.0 to 1.0, any restricted payments made following that time until the ratio is once again, on a pro forma basis, below 3.0 to 1.0 would be limited by the covenant, which contains certain exceptions, including the ability to make restricted payments in cash in an aggregate amount not to exceed $100million in any fiscal year and an additional ability to make restricted payments in an aggregate amount not to exceed the greater of $105 million or 4.5% of consolidated net tangible assets over the life of the credit agreement.

Supplemental Guarantor Financial Information

The following is a description of the guarantees with respect to the Senior Notes and the Credit Facilities, for which MOUSA is primary obligor, and for which the Company and certain 100% owned subsidiaries provide full and unconditional guarantees on a joint and several basis. See "—Debt" above for additional information concerning the Company's outstanding indebtedness, all of which is guaranteed as described below. See also Note 6 "Long Term Debt" in the accompanying consolidated financial statements.

The Senior Notes and related 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 and related guarantees 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.

All obligations under the Credit Facilities are guaranteed by the Company and the same subsidiary guarantors that guarantee the Senior Notes. All obligations under the Credit Facilities, including the guarantees of those obligations, are secured by certain assets of the Company, MOUSA, and the other guarantors.

The combined assets, liabilities and results of operations of MOUSA and the guarantors are not materially different from corresponding amounts presented in the consolidated financial statements included herein. MOUSA is our primary operating subsidiary and generated the vast majority of our revenues for the three months ended March 31, 2021, and accounted for the vast majority of our total assets as of March 31, 2021. In the event MOUSA itself were unable to service the Company's consolidated debt obligations, our business and financial condition would be materially adversely impacted.

Capital Spending

Capital spending and investments in our Marketing segment relate primarily to the acquisition of land and the construction of new Company stations.  Our Marketing capital is also deployed to improve our existing sites, which we refer to as sustaining capital.  We also use sustaining capital in this business as needed to ensure reliability and continued performance of our sites.  We also invest in our Corporate and other assets segment.

The following table outlines our capital spending and investments by segment for the three month periods ended March 31, 2021 and 2020:

	Three Months Ended March 31,
(Millions of dollars)	2021		2020
Marketing:
Company stores	$	48.3	$	27.3
Terminals	0.4		0.4
Sustaining capital	3.4		4.6
Corporate and other assets	3.8		13.1
Total	$	55.9	$	45.4

36

We currently expect capital expenditures for the full year 2021 to range from approximately $325 million to $375 million, including $298 million for retail growth, approximately $25 million for maintenance capital, with the remaining funds earmarked for other corporate investments and other strategic initiatives. See Note 16 “Commitments” in the audited consolidated financial statements for the year ended December 31, 2020 included in our Annual Report on Form 10-K for more information.

Critical Accounting Policies

Our critical accounting policies have been updated to include changes since our Annual Report on Form 10-K for the year ended December 31, 2020.  For more information, see “Management’s Discussion and Analysis of Financial Condition and Results of Operations-Critical Accounting Policies” in the Form 10-K.

Business combinations — We account for business combinations using the purchase method of accounting. The purchase price of an acquisition is measured as the aggregate of the fair value of the consideration transferred. The purchase price is allocated to the fair values of the tangible and intangible assets acquired and liabilities assumed, with any excess recorded as goodwill. These fair value determinations require judgment and may involve the use of significant estimates and assumptions. The purchase price allocation may be provisional during a measurement period of up to one year to provide reasonable time to obtain the information necessary to identify and measure the assets acquired and liabilities assumed. Any such measurement period adjustments are recognized in the period in which the adjustment amount is determined. Transaction costs associated with the acquisition are expensed as incurred.

Goodwill and intangible assets — Goodwill represents the excess of the aggregate of the consideration transferred over the net assets acquired and liabilities assumed and is tested annually for impairment, or more frequently if there are indicators of impairment. Acquired finite-lived intangible assets are amortized on a straight-line basis over their estimated useful lives, and are reviewed for impairment when events or circumstances indicate that the asset group to which the intangible assets belong might be impaired. The Company revises the estimated remaining useful life of these assets when events or changes in circumstances warrant a revision. If the Company revises the useful life, the unamortized balance is amortized over the use life on a prospective basis. Indefinite-lived intangibles are tested annually for impairment, or more often if indicators warrant.

FORWARD-LOOKING STATEMENTS

This Quarterly Report on Form 10-Q contains certain statements or may suggest “forward-looking” information (as defined in the Private Securities Litigation Reform Act of 1995) that involve risk and uncertainties, including, but not limited to M&A activity, anticipated store openings, fuel margins, merchandise margins, sales of RINs, trends in our operations, dividends, and share repurchases. Such statements are based upon the current beliefs and expectations of the Company’s management and are subject to significant risks and uncertainties. Actual future results may differ materially from historical results or current expectations depending upon factors including, but not limited to: the Company's ability to realize projected synergies from the acquisition of QuickChek and successfully expand our food and beverage offerings; our ability to continue to maintain a good business relationship with Walmart; successful execution of our growth strategy, including our ability to realize the anticipated benefits from such growth initiatives, and the timely completion of construction associated with our newly planned stores which may be impacted by the financial health of third parties; our ability to effectively manage our inventory, disruptions in our supply chain and our ability to control costs; the impact of severe weather events, such as hurricanes, floods and earthquakes; the impact of a global health pandemic, such as COVID-19 and the government reaction in response thereof: the impact of any systems failures, cybersecurity and/or security breaches, including any security breach that results in theft, transfer or unauthorized disclosure of customer, employee or company information or our compliance with information security and privacy laws and regulations in the event of such an incident; successful execution of our information technology strategy; future tobacco or e-cigarette legislation and any other efforts that make purchasing tobacco products more costly or difficult could hurt our revenues and impact gross margins; efficient and proper allocation of our capital resources, including the timing,declaration, amount and payment of any future dividends or levels of the company's share repurchases, or management of operating cash; the market price of the Company's stock prevailing from time to time, the nature of other investment opportunities presented to the Company from time to time, the Company's cash flows from operations, and general economic conditions; compliance with debt covenants; availability and cost of credit; and changes in interest rates. Our SEC reports, including our most recent Annual Report on our Form 10-K and our Form 10-Q, contain other information on

37

these and other factors that could affect our financial results and cause actual results to differ materially from any forward-looking information we may provide. The Company undertakes no obligation to update or revise any forward-looking statements to reflect subsequent events, new information or future circumstances.

ITEM 3.  QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

Commodity Price Risk

We are exposed to market risks related to the volatility in the price of refined products (primarily gasoline and diesel) used in our operations.  These fluctuations can affect our revenues and purchases, as well as the cost of operating, investing and financing activities.  We make 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 our middle-office function and the Company’s senior management.

As described in Note 10 “Financial Instruments and Risk Management” in the accompanying unaudited consolidated financial statements, there were short-term commodity derivative contracts in place at March 31, 2021 to hedge the purchase price of refined products. A 10% increase or decrease in the respective benchmark price of the commodities underlying these derivative contracts would have been immaterial to the Company. Changes in the fair value of these derivative contracts generally offset the changes in the value for an equivalent volume of these products.

Interest Rate Risk

We have exposure to interest rate risks related to volatility of our floating rate term loan of $400 million and to our Revolving Facility which currently is undrawn. Both of these loans are tied to LIBOR interest rates which can move in either direction and cause fluctuations in our interest expense recognized in any period and in our cash flows related to interest payments made. We make limited use of interest rate swaps to hedge a portion of our exposure to these rate movements. The acquisition of any interest rate derivatives is undertaken by senior management when appropriate with delegated authority from the appropriate Board level committee.

As described in Note 10 “Financial Instruments and Risk Management” in the accompanying unaudited consolidated financial statements, we currently have an interest rate swap that hedges exposure to one-month LIBOR for $150 million of our outstanding term loan amount at March 31, 2021. A 10% increase or decrease in the underlying interest rate would have an immaterial impact on the financial statements of the Company at March 31, 2021.         

For additional information about our use of derivative instruments, see Note 12 “Financial Instruments and Risk Management” in our audited combined financial statements for the year ended December 31, 2020 included in the Form 10-K and Note 10 “Financial Instruments and Risk Management” in the accompanying unaudited consolidated financial statements for the three months ended March 31, 2021.

ITEM 4.  CONTROLS AND PROCEDURES

Evaluation of Disclosure Controls and Procedures.

Our management has evaluated, with the participation of our principal executive and financial officers, the effectiveness of our disclosure controls and procedures (as defined in Rule 13a-15 under the Securities Exchange Act of 1934) as of the end of the period covered by this report, and has concluded that our disclosure controls and procedures were effective and appropriately allowed for timely decisions regarding required disclosures as of March 31, 2021.

Internal Control over Financial Reporting

There have been no changes in the Company’s internal control over financial reporting during the quarter ended March 31, 2021 that have materially affected, or are reasonably likely to materially affect, the Company’s internal control over financial reporting. 

PART II – OTHER INFORMATION

38

ITEM 1. LEGAL PROCEEDINGS

As of March 31, 2021, the Company was engaged in a number of legal proceedings, all of which the Company considers routine and incidental to its business.  See Note 14 ”Contingencies” in the accompanying consolidated financial statements.  Based on information currently available to the Company, the ultimate resolution of environmental and legal matters referred to in this Item is not expected to have a material adverse effect on the Company’s net income, financial condition or liquidity in a future period.

ITEM 1A. RISK FACTORS

Our business, results of operations, cash flows and financial condition involve various risks and uncertainties. These risk factors are discussed under the caption “Risk Factors” in our Annual Report on Form 10-K.  We have not identified any additional risk factors not previously disclosed in the Form 10-K and in the quarterly report on Form 10-Q for the period ended March 31, 2021.

ITEM 2.  UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDS

Below is detail of the Company’s purchases of its own equity securities during the period: 

	Issuer Purchases of Equity Securities
				Total Number	Approximate
				of Shares	Dollar Value of
				Purchased as	Shares That May
	Total Number	Average		Part of Publicly	Yet Be Purchased
	of Shares	Price Paid		Announced Plans	Under the Plans
Period Duration	Purchased	Per Share		or Programs	or Programs 1
January 1, 2021 to January 31, 2021	—	$	—	—	$	375,000,219
February 1, 2021 to February 28, 2021	298,563	125.19		298,563	337,623,416
March 1, 2021 to March 31, 2021	99,319	127.10		99,319	325,000,327
Three Months Ended March 31, 2021	397,882	$	125.67	397,882	$	325,000,327

1 Terms of the repurchase plan authorized by the Murphy USA Inc. Board of Directors and announced on October 28, 2020 include authorization for the Company to acquire up to $500 million of its common shares by December 31, 2023. Upon completing the existing repurchase program, the Company may elect to repurchase additional shares utilizing existing available cash balances if prices are favorable in management's opinion.

ITEM 5. OTHER INFORMATION

None

ITEM 6. EXHIBITS

The Exhibit Index on page 41 of this Form 10-Q report lists the exhibits that are filed herewith or incorporated herein by reference.

39

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

MURPHY USA INC.
(Registrant)
By	__/s/ Donald R. Smith Jr.___________
	Donald R. Smith Jr., Vice President
	and Controller (Chief Accounting Officer
	and Duly Authorized Officer)

April 29, 2021

40

	EXHIBIT INDEX
Exhibit Number	Description
31.1*	Certification required by Rule 13a-14(a) pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 of Principal Executive Officer
31.2*	Certification required by Rule 13a-14(a) pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 of Principal Financial Officer
32.1*	Certification pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 of Principal Executive Officer
32.2*	Certification pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 of Principal Financial Officer
101. INS	Inline XBRL Instance Document - the instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document
101. SCH*	Inline XBRL Taxonomy Extension Schema Document
101. CAL*	Inline XBRL Taxonomy Extension Calculation Linkbase Document
101. DEF*	Inline XBRL Taxonomy Extension Definition Linkbase Document
101. LAB*	Inline XBRL Taxonomy Extension Labels Linkbase Document
101. PRE*	Inline XBRL Taxonomy Extension Presentation Linkbase
104	Cover Page Interactive Data File - the cover page interactive data file does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document

*  Filed herewith.

41

EX-31.1

EXHIBIT 31.1

CERTIFICATION PURSUANT TO

SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

I,R.Andrew Clyde, certify that:

1.I have reviewed this quarterly report on Form 10-Q of MurphyUSAInc;

2.   Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3.   Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4.   The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange ActRules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f))for the registrant and have:

a)designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b)designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c)evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d)disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal controls over financial reporting; and

5.   The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

a)all significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b)any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal controls over financial reporting.

Date:  April 29, 2021

/s/ R. Andrew Clyde

R.Andrew Clyde

Principal Executive Officer

Ex. 31.1

EX-31.2

EXHIBIT 31.2

CERTIFICATION PURSUANT TO

SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

I, MindyK.West, certify that:

1. I have reviewed this quarterly report on Form 10-Q of MurphyUSAInc;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e))and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f))for the registrant and have:

a)designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b)designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles; 

c)evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d)disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal controls over financial reporting; and

5. The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

a)all significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b)any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal controls over financial reporting.

Date: April 29, 2021

__/s/ Mindy K. West_________

MindyK.West

PrincipalFinancialOfficer

Ex. 31.2

EX-32.1

EXHIBIT32.1

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report of MurphyUSAInc.(the “Company”) on Form 10-Q for the period ended March 31, 2021 as filed with the Securities and Exchange Commission on the date hereof (the “Report”),I,  R.Andrew Clyde,  Principal Executive Officer of the Company, certify, pursuant toRule 13a-14(b) under the Securities Exchange Act of 1934 and18 U.S.C. § 1350, as adopted pursuant to § 906 of the Sarbanes-Oxley Act of 2002, thatto myknowledge:

(1)The Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Actof 1934; and

(2)The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date: April 29, 2021

/s/ R. Andrew Clyde

R.Andrew Clyde

Principal ExecutiveOfficer

Ex. 32.1

EX-32.2

EXHIBIT32.2

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report of MurphyUSAInc.(the “Company”) on Form 10-Q for the period ended March 31, 2021 as filed with the Securities and Exchange Commission on the date hereof (the “Report”),I, MindyK.West,  PrincipalFinancial Officer of the Company, certify, pursuant toRule 13a-14(b) under the Securities Exchange Act of 1934 and18 U.S.C. § 1350, as adopted pursuant to § 906 of the Sarbanes-Oxley Act of 2002, thatto myknowledge:

(1)The Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2)The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date: April 29, 2021

_/s/ Mindy K. West__________

MindyK. West

Principal Financial Officer

Ex. 32.2

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Cover Page	3 Months Ended
	Mar. 31, 2021 shares
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Mar. 31, 2021
Document Transition Report	false
Entity File Number	001-35914
Entity Registrant Name	MURPHY USA INC.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	46-2279221
Entity Address, Address Line One	200 Peach Street
Entity Address, City or Town	El Dorado,
Entity Address, State or Province	AR
Entity Address, Postal Zip Code	71730-5836
City Area Code	870
Local Phone Number	875-7600
Title of 12(b) Security	Common Stock, $0.01 Par Value
Trading Symbol	MUSA
Security Exchange Name	NYSE
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding	26,924,264
Amendment Flag	false
Entity Central Index Key	0001573516
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2021
Document Fiscal Period Focus	Q1

XML

Consolidated Balance Sheets - USD ($) $ in Millions		Mar. 31, 2021	Dec. 31, 2020
Current assets
Cash and cash equivalents		$ 304.1	$ 163.6
Accounts receivable—trade, less allowance for doubtful accounts of $0.1 at 2021 and 2020		182.1	168.8
Inventories		283.0	279.1
Prepaid expenses and other current assets		24.2	13.7
Total current assets		793.4	625.2
Property, plant and equipment, at cost less accumulated depreciation and amortization of $1,233.6 at 2021 and $1,191.4 at 2020		2,301.4	1,867.6
Operating lease right of use assets, net	[1]	395.6	147.7
Intangible assets, net of amortization	[1]	141.3	34.6
Goodwill		336.4	0.0
Other assets	[1]	12.5	10.6
Total assets		3,980.6	2,685.7
Current liabilities
Current maturities of long-term debt		13.2	51.2
Trade accounts payable and accrued liabilities		638.4	471.1
Income taxes payable		23.4	8.8
Total current liabilities		675.0	531.1
Long-term debt, including capitalized lease obligations		1,796.8	951.2
Deferred income taxes		281.4	218.4
Asset retirement obligations		36.7	35.1
Non current operating lease liabilities	[1]	382.3	142.5
Deferred credits and other liabilities	[1]	27.8	23.3
Total liabilities		3,200.0	1,901.6
Stockholders' Equity
Preferred Stock, par $0.01, (authorized 20,000,000 shares, none outstanding)		0.0	0.0
Common Stock, par $0.01, (authorized 200,000,000 shares, 46,767,164 shares issued at 2020 and 2019, respectively)		0.5	0.5
Treasury stock (18,199,448 and 16,307,048 shares held at 2020 and 2019, respectively)		(1,535.3)	(1,490.9)
Additional paid in capital (APIC)		525.6	533.3
Retained earnings		1,791.5	1,743.1
Accumulated other comprehensive income (loss) (AOCI)		(1.7)	(1.9)
Total stockholders' equity		780.6	784.1
Total liabilities and stockholders' equity		$ 3,980.6	$ 2,685.7

[1] *Prior year amounts have been revised to conform with current period presentation

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Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Millions	Mar. 31, 2021	Dec. 31, 2020	Mar. 31, 2020
Current assets
Allowance for doubtful accounts	$ 0.1		$ 0.1
Property, plant and equipment, accumulated depreciation and amortization	$ 1,233.6	$ 1,191.4
Stockholders' Equity
Preferred stock par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock shares authorized (in shares)	20,000,000	20,000,000
Preferred stock shares outstanding (in shares)	0	0
Common stock par value (in dollars per share)	$ 0.01	$ 0.01
Common stock shares authorized (in shares)	200,000,000	200,000,000
Common stock shares issued (in shares)	46,767,164	46,767,164
Treasury stock, shares held (in shares)	19,842,900	19,518,551

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Consolidated Statements of Income - USD ($) shares in Thousands, $ in Millions		3 Months Ended
		Mar. 31, 2021	Mar. 31, 2020
Operating Revenues
Total operating revenues		$ 3,537.1	$ 3,184.8
Operating Expenses
Depreciation and amortization		51.0	39.4
Selling, general and administrative		44.3	39.2
Accretion of asset retirement obligations		0.6	0.6
Acquisition related costs		8.8	0.0
Total operating expenses		3,442.7	3,054.1
Gain (loss) on sale of assets		0.2	0.1
Income (loss) from operations		94.6	130.8
Other income (expense)
Interest income		0.0	0.8
Interest expense		(21.3)	(13.3)
Other nonoperating income (expense)		0.0	(1.0)
Total other income (expense)		(21.3)	(13.5)
Income (loss) before income taxes		73.3	117.3
Income tax expense (benefit)		18.0	28.0
Net Income		$ 55.3	$ 89.3
Basic and Diluted Earnings Per Common Share
Basic (in dollars per share)		$ 2.04	$ 2.95
Diluted (in dollars per share)		$ 2.01	$ 2.92
Weighted-Average Common Shares Outstanding (in thousands):
Basic (in shares)		27,131	30,235
Diluted (in shares)		27,488	30,541
Supplemental information:
Excise taxes		$ 469.6	$ 473.5
Petroleum product
Operating Revenues
Total operating revenues	[1]	2,635.8	2,480.2
Operating Expenses
Operating expenses	[1]	2,476.1	2,259.8
Merchandise sales
Operating Revenues
Total operating revenues		833.2	687.5
Operating Expenses
Operating expenses		684.8	580.0
Other operating revenues
Operating Revenues
Total operating revenues		68.1	17.1
Operating Expenses
Operating expenses		$ 177.1	$ 135.1

[1] Includes excise taxes of $469.6 million for the three months ended March 31, 2021, $473.5 million for the three months ended March 31, 2020, $469.6 million for the three months ended March 31, 2021 and $473.5 million the three months ended March 31, 2020.

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Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Statement of Comprehensive Income [Abstract]
Net income	$ 55.3	$ 89.3
Interest rate swap:
Realized gain (loss)	(0.1)	0.1
Unrealized gain (loss)	0.1	(3.6)
Reclassifications:
Realized (gain) loss reclassified to interest expense	0.1	(0.1)
Amortization of unrealized (gain) loss to interest expense	0.2	0.0
Total	0.3	(3.6)
Deferred income tax (benefit) expense	0.1	(0.9)
Other comprehensive income (loss)	0.2	(2.7)
Comprehensive income	$ 55.5	$ 86.6

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Consolidated Statements of Cash Flows - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Operating Activities
Net income	$ 55.3	$ 89.3
Adjustments to reconcile net income (loss) to net cash provided by (required by) operating activities
Depreciation and amortization	51.0	39.4
Deferred and noncurrent income tax charges (credits)	3.7	5.9
Accretion of asset retirement obligations	0.6	0.6	$ 2.3
Pretax (gains) losses from sale of assets	(0.2)	(0.1)
Net (increase) decrease in noncash operating working capital	108.0	(25.7)
Other operating activities - net	11.4	4.3
Net cash provided by (required by) operating activities	229.8	113.7
Investing Activities
Property additions	(53.6)	(46.6)
Payments for acquisition, net of cash acquired	(642.1)	0.0
Proceeds from sale of assets	0.3	0.2
Other investing activities - net	(0.9)	(0.8)
Net cash provided by (required by) investing activities	(696.3)	(47.2)
Financing Activities
Purchase of treasury stock	(50.0)	(140.6)
Dividends paid	(6.8)	0.0
Borrowings of debt	892.8	0.0
Repayments of debt	(214.4)	(0.3)
Debt issuance costs	(8.8)	0.0
Amounts related to share-based compensation	(5.8)	(5.6)
Net cash provided by (required by) financing activities	607.0	(146.5)
Net increase (decrease) in cash, cash equivalents, and restricted cash	140.5	(80.0)
Cash, cash equivalents, and restricted cash at beginning of period	163.6	280.3	280.3
Cash, cash equivalents, and restricted cash at end of period	$ 304.1	$ 200.3	$ 163.6

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Consolidated Statements of Changes in Equity - USD ($) $ in Millions	Total	Cumulative Effect, Period of Adoption, Adjustment	Common Stock	Treasury Stock	APIC	Retained Earnings	Retained Earnings Cumulative Effect, Period of Adoption, Adjustment	AOCI
Beginning balance (in shares) at Dec. 31, 2019			46,767,164
Beginning balance at Dec. 31, 2019	$ 803.0	$ 1.1	$ 0.5	$ (1,099.8)	$ 538.7	$ 1,362.9	$ 1.1	$ 0.7
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	89.3					89.3
Gain on interest rate hedge, net of tax	(2.7)							(2.7)
Purchase of treasury stock	(140.6)			(140.6)
Issuance of treasury stock	(0.5)			5.2	(5.7)
Amounts related to share-based compensation	(5.6)				(5.6)
Share-based compensation expense	2.8				2.8
Ending balance (in shares) at Mar. 31, 2020			46,767,164
Ending balance at Mar. 31, 2020	746.8		$ 0.5	(1,235.2)	530.2	1,453.3		(2.0)
Beginning balance (in shares) at Dec. 31, 2020			46,767,164
Beginning balance at Dec. 31, 2020	784.1		$ 0.5	(1,490.9)	533.3	1,743.1		(1.9)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	55.3					55.3
Gain on interest rate hedge, net of tax	0.2							0.2
Cash dividends declared ($0.25 per share)	(6.8)					(6.8)
Dividend equivalent units accrued	0.0				0.1	(0.1)
Purchase of treasury stock	(50.0)			(50.0)
Issuance of treasury stock	0.0			5.6	(5.6)
Amounts related to share-based compensation	(5.8)				(5.8)
Share-based compensation expense	3.6				3.6
Ending balance (in shares) at Mar. 31, 2021			46,767,164
Ending balance at Mar. 31, 2021	$ 780.6		$ 0.5	$ (1,535.3)	$ 525.6	$ 1,791.5		$ (1.7)

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Consolidated Statements of Changes in Equity (Parenthetical)	3 Months Ended
	Mar. 31, 2021 $ / shares
Statement of Stockholders' Equity [Abstract]
Dividends declared (in dollars per share)	$ 0.25

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Description of Business and Basis of Presentation

3 Months Ended

Mar. 31, 2021

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 — Murphy USA Inc. and its consolidated subsidiaries (“Murphy USA” or the “Company”) markets refined products through a network of retail gasoline stations and to unbranded wholesale customers. In addition, it operates non-fuel convenience stores in select markets in the Northeast. Murphy USA operates a chain of owned retail stations under the brand name of Murphy USA® which are almost all located in close proximity to Walmart stores in 25 states, markets gasoline and other products at standalone stations under the Murphy Express brand, and Quick Chek Corporation ("QuickChek") has convenience stores located in New Jersey and New York. At March 31, 2021, Murphy USA had a total of 1,660 Company stations of which 1,151 were Murphy USA, 353 were Murphy Express and 156 were QuickChek.

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 Corporation (“Murphy Oil”) for $1.00. On August 30, 2013, Murphy USA was separated from Murphy Oil through the distribution of 100% of the common stock of Murphy USA to holders of Murphy Oil stock. Murphy USA Inc., Murphy Oil USA, and certain of its subsidiaries operate on a calendar year basis, while the subsidiary QuickChek uses a weekly retail calendar where each quarter has 13 weeks and its historical fiscal year end was the Friday nearest to October 31. For the Q1 2021 period, the results provided include the period from January 29, 2021 to April 2, 2021. The impact of the two additional days are immaterial to the overall consolidated results.

In preparing the financial statements of Murphy USA in conformity with accounting principles generally accepted in the United States, management has made a number of estimates and assumptions related to the reporting of assets, liabilities, revenues, expenses and the disclosure of contingent assets and liabilities. Actual results may differ from these estimates.

Accounting policies related to the acquisition of QuickChek —

Business combinations — The purchase price of an acquisition is measured as the aggregate of the fair value of the consideration transferred. The purchase price is allocated to the fair values of the tangible and intangible assets acquired and liabilities assumed, with any excess recorded as goodwill. These fair value determinations require judgment and may involve the use of significant estimates and assumptions. The purchase price allocation may be provisional during a measurement period of up to one year to provide reasonable time to obtain the information necessary to identify and measure the assets acquired and liabilities assumed. Any such measurement period adjustments are recognized in the period in which the adjustment amount is determined. Transaction costs associated with the acquisition are expensed as incurred.

Goodwill and intangible assets — Goodwill represents the excess of the aggregate of the consideration transferred over the net assets acquired and liabilities assumed and is tested annually for impairment, or more frequently if there are indicators of impairment. Acquired finite-lived intangible assets are amortized on a straight-line basis over their estimated useful lives, and are reviewed for impairment when events or circumstances indicate that the asset group to which the intangible assets belong might be impaired. The Company revises the estimated remaining useful life of these assets when events or changes in circumstances warrant a revision. If the Company revises the useful life, the unamortized balance is amortized over the use life on a prospective basis. Indefinite-lived intangibles are tested annually for impairment, or more often if indicators warrant.

Interim Financial Information — The interim period financial information presented in these consolidated financial statements is unaudited and includes all known accruals and adjustments, in the opinion of management, necessary for a fair presentation of the consolidated financial position of Murphy USA and its results of operations and cash flows for the periods presented. All such adjustments are of a normal and recurring nature.

These interim consolidated financial statements should be read together with our audited financial statements for the years ended December 31, 2020, 2019 and 2018, included in our Annual Report on Form 10-K (File No. 001-35914), as filed with the Securities and Exchange Commission under the Securities Exchange Act of 1934 on February 19, 2021.

Recently Issued Accounting Standards— In March 2020, the FASB issued ASU 2020-04, "Reference Rate Reform (Topic 848) - Facilitation of the Effects of Reference Rate Reform on Financial Reporting". This standard included optional guidance for a limited period of time to help ease the burden in accounting for the effects of reference rate reform. The new standard is effective for all entities through December 31, 2022. The Company does not expect the adoption of this standard to have a material impact on the Company's consolidated financial statements.

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Revenues

3 Months Ended

Mar. 31, 2021

Revenue from Contract with Customer [Abstract]

Revenues

Revenues

Revenue Recognition

Revenue is recognized when obligations under the terms of a contract with our customers are satisfied; generally, this occurs with the transfer of control of our petroleum products, convenience merchandise, Renewable Identification Numbers ("RINs") and other assets to our third-party customers. Revenue is measured as the amount of consideration we expect to receive in exchange for transferring goods or providing services. Excise and sales tax that we collect where we have determined we are the principal in the transaction have been recorded as revenue on a jurisdiction-by-jurisdiction basis.

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 arrangements based on location or quality differences. The Company continues to account for these transactions as non-monetary exchanges under existing accounting guidance and typically reports these on a net basis in the Consolidated Statements of Income.

The following tables disaggregate our revenues by major source for the three months ended March 31, 2021 and 2020, respectively:

	Three Months Ended March 31, 2021						Three Months Ended March 31, 2020
(Millions of dollars)	Marketing		Corporate and Other Assets		Consolidated		Marketing		Corporate and Other Assets		Consolidated
Petroleum product sales (at retail) 1	$	2,384.8	—		$	2,384.8	$	2,246.2	$	—	$	2,246.2
Petroleum product sales (at wholesale)	251.0		—		251.0		234.0		—		234.0
Total petroleum product sales	2,635.8		—		2,635.8		2,480.2		—		2,480.2
Merchandise sales	833.2		—		833.2		687.5		—		687.5
Other operating revenues:
RINs	66.7		—		66.7		15.5		—		15.5
Other revenues 2	1.4		—		1.4		1.5		0.1		1.6
Total revenues	$	3,537.1	$	—	$	3,537.1	$	3,184.7	$	0.1	$	3,184.8

1 Includes excise and sales taxes that remain eligible for inclusion under Topic 606

2 Primarily includes collection allowance on excise and sales taxes and other miscellaneous items

Marketing segment

Petroleum product sales (at retail). For our retail store locations, the revenue related to petroleum product sales is recognized as the fuel is pumped to our customers. The transaction price at the pump typically includes some portion of sales or excise taxes as levied in the respective jurisdictions. Those taxes that are collected for remittance to governmental entities on a pass through basis are not recognized as revenue and they are recorded to a liability account until they are paid. Our customers typically use a mixture of cash, checks, credit cards and debit cards to pay for our products as they are received. We have accounts receivable from the various credit/debit card providers at any point in time related to product sales made on credit cards and debit cards. These receivables are typically collected in two to seven days, depending on the terms with the particular credit/debit card providers. Payment fees retained by the credit/debit card providers are recorded as station and other operating expenses.

Petroleum product sales (at wholesale). Our sales of petroleum products at wholesale are generally recorded as revenue when the deliveries have occurred and legal ownership of the product has transferred to the customer. Title transfer for bulk refined product sales typically occurs at pipeline custody points and upon trucks loading at product terminals. For bulk pipeline sales, we record receivables from customers that are generally collected within a week from custody transfer date. For our rack product sales, the majority of our customers' accounts are drafted by us within 10 days from product transfer.

Merchandise sales. For our retail store locations, the revenue related to merchandise sales is recognized as the customer completes their purchase at our locations. The transaction price typically includes some portion of sales tax as levied in the respective jurisdictions. Those taxes that are collected for remittance to governmental entities on a pass through basis are not recognized as revenue and they are recorded to a liability account until they are paid. As noted above, a mixture of payment types are used for these revenues and the same terms for credit/debit card receivables are realized.

The most significant judgment with respect to merchandise sales revenue is determining whether we are the principal or agent for some categories of merchandise such as lottery tickets, lotto tickets, newspapers and other small categories of merchandise. For scratch-off lottery tickets, we have determined we are the principal in the majority of the jurisdictions and therefore we record those sales on a gross basis. We have some categories of merchandise (such as lotto tickets) where we are the agent and the revenues recorded for those transactions are our net commission only.

The Company offers a loyalty program through its Murphy USA, Murphy Express, and QuickChek branded retail locations. The customers earn rewards based on their spending or other promotional activities. This program creates a performance obligation which requires us to defer a portion of sales revenue to the loyalty program participants until they redeem their rewards. The rewards may be redeemed for free or discounted merchandise or cash discounts at all stores and on fuel purchases only at Murphy USA and Murphy Express stores. Earned rewards expire after an account is inactive for a period of 90 days at Murphy USA and Murphy Express, while certain QuickChek rewards require use within the month. We recognize loyalty revenue when a customer redeems an earned reward. Deferred revenue associated with both rewards program are included in Trade accounts payable and accrued liabilities in our Consolidated Balance Sheet. The deferred revenue balances at March 31, 2021 and December 31, 2020 were immaterial.

RINs sales. For the sale of RINs, we recognize revenue when the RIN is transferred to the counter-party and the sale is completed. Receivables from our counter-parties related to the RIN sales are typically collected within five days of the sale.

Other revenues. Items reported as other operating revenues include collection allowances for excise and sales tax and other miscellaneous items and are recognized as revenue when the transaction is completed.

Accounts receivable

Trade accounts receivable on the balance sheet represents both receivables related to contracts with customers and other trade receivables. At March 31, 2021 and December 31, 2020, we had $111.1 million and $88.3 million of receivables, respectively, related to contracts with customers recorded. All of the trade accounts receivable related

to contracts with customers outstanding at the end of each period were collected during the succeeding quarter. These receivables were generally related to credit and debit card transactions along with short term bulk and wholesale sales to our customers, which have a very short settlement window.

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Inventories

3 Months Ended

Mar. 31, 2021

Inventory Disclosure [Abstract]

Inventories

Inventories

Inventories consisted of the following:

(Millions of dollars)	March 31, 2021		December 31, 2020
Finished products - First-In, First-Out ("FIFO") basis	$	300.0	$	223.0
Less: Last-In, First-Out ("LIFO") reserve - finished products	(192.2)		(101.3)
Finished products - LIFO basis	107.8		121.7
Store merchandise for resale	169.0		152.0
Materials and supplies	6.2		5.4
Total inventories	$	283.0	$	279.1

At March 31, 2021 and December 31, 2020, the replacement cost (market value) of LIFO inventories exceeded the LIFO carrying value by $192.2 million and $101.3 million, respectively. The QuickChek subsidiary values its general merchandise inventory utilizing the LIFO method and values the inventory of gasoline and certain other merchandise items using the FIFO method. The QuickChek LIFO reserve balance for the period was immaterial.

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Business Acquisition

3 Months Ended

Mar. 31, 2021

Business Combinations [Abstract]

Business Acquisition

Business Acquisition

On January 29, 2021, MUSA completed the previously announced transaction to acquire 100% of QuickChek, a privately-held convenience store chain with a regional brand consisting of 156 sites located in New Jersey and New York, in an all-cash transaction. The acquisition was made to expand the MUSA network into the Northeast by adding stores that had an existing food and beverage model and is consistent with the Company's stated strategic priorities of developing enhanced food and beverage capabilities and accelerating its growth plans.

The excess of the purchase price over the preliminary estimated fair value of the net, identifiable assets acquired was recorded as goodwill. The factors contributing to the recognition of goodwill are a mixture of direct and reverse synergies that are expected to be realized by both QuickChek and Murphy USA as a result of this acquisition. The direct synergies include additional margin capture on the retail fuel side from the tactical pricing decisions and improved benefits from increased scale on the product acquisition side combined with other cost savings in both merchandise and store operations. The reverse synergies reflect management's ability to leverage QuickChek's product pricing and operational capabilities related to food and beverage sales to Murphy's existing store footprint.

The Company has determined that the trade name has an indefinite life, as there is no economic, contractual, or other factors that limit its useful life and expects to generate value as long as the trade name is utilized, and therefore is not subject to amortization. The fair value of intangible assets was based on widely-accepted valuation techniques, including discounted cash flows.

The following table summarizes the preliminary fair value of the consideration transferred at the date of the acquisition, as well as the calculation of preliminary goodwill based on the excess of consideration over the provisional fair value of net assets acquired:

(Millions of dollars)
Cash paid to shareholders	$	642.9
Less cash and cash equivalents acquired	0.8
Fair value of consideration transferred, net of cash acquired	$	642.1

(Millions of dollars)
Assets acquired:
Accounts receivable	$	8.0
Inventories	24.3
Prepaid expenses and other current assets	5.6
Property and equipment	429.1
Right of use assets	238.1
Other assets	5.4
Identified intangible assets	106.8
Liabilities assumed:
Accounts payable and accrued expenses	(68.5)
Deferred income tax liabilities	(59.5)
Asset retirement obligation	(1.2)
Long term debt, including finance lease obligations	(136.5)
Deferred credits and other liabilities	(7.4)
Operating lease liabilities	(238.5)
Net assets acquired	305.7
Goodwill	336.4
Fair value of consideration transferred, net of cash and cash equivalents acquired	$	642.1

Due to the timing of the acquisition, the allocation of the purchase price to assets acquired and liabilities assumed is preliminary pending finalization of management's analysis and is expected to be completed prior to December 31, 2021.

The Company has not disclosed pro forma information of the combined business as the transaction is not material to revenue or net earnings.

In connection with the acquisition, the Company recognized certain acquisition-related expenses which were expensed as incurred. These expenses, recognized within acquisition related costs in the consolidated statements of operations, include amounts related to transaction and integration costs, including fees for advisory and professional services incurred as part of the acquisition and integration costs subsequent to the acquisition in the amount of $8.8 million for the three months ended March 31, 2021.

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Goodwill and Intangible Assets

3 Months Ended

Mar. 31, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Intangible Assets

Goodwill and Intangible Assets

The Company's goodwill is assigned to its Marketing segment and none of the goodwill is deductible for tax purposes.

(Millions of dollars)	March 31, 2021
Balance as of January 1, 2021	$	—
QuickChek acquisition	336.4
Ending balance as of March 31, 2021	$	336.4

We amortize intangible assets subject to amortization on a straight-line or accelerated basis based on the period for which the economic benefits of the asset or liability are expected to be realized. In connection with our acquisition

of QuickChek on January 29, 2021, we recorded the following amounts of intangible assets in addition to one prior intangible asset.

			Remaining Useful Life
(Millions of dollars)	Carrying Value		(in years)
Intangible assets subject to amortization:
Pipeline space	$	34.4	34.4
Intangible lease liability	(9.0)		15.3
Intangible assets not subject to amortization:
Tradename	115.4		n/a
Liquor licenses	0.5		n/a
Total intangible assets	$	141.3

Intangible assets subject to amortization at March 31, 2021 and December 31, 2020 consisted of the following:

	March 31, 2021				December 31, 2020
(Millions of dollars)	Cost		Net		Cost		Net
Pipeline space	$	39.6	$	34.4	$	39.6	$	34.6
Intangible lease liability	(9.1)		(9.0)		—		—
	$	30.5	$	25.4	$	39.6	$	34.6

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Long-Term Debt

3 Months Ended

Mar. 31, 2021

Debt Disclosure [Abstract]

Long-Term Debt

Long-Term Debt

Long-term debt consisted of the following:

(Millions of dollars)	March 31, 2021		December 31, 2020
3.75% senior notes due 2031 (net of unamortized discount of $6.1 at March 31, 2021)	$	493.9	$	—
5.625% senior notes due 2027 (net of unamortized discount of $2.3 at March 31, 2021 and $2.4 at December 2020)	297.7		297.6
4.75% senior notes due 2029 (net of unamortized discount of $5.3 at March 31, 2021 and $5.4 at December 31, 2020)	494.7		494.6
Term loan due 2023 (effective interest rate of n/a at March 31, 2021 and 2.67% at December 31, 2020)	—		212.5
Term loan due 2028 (effective interest rate of 2.27% at March 31, 2021) net of unamortized discount of $1.0 at March 31, 2021	399.0		—
Capitalized lease obligations, autos and equipment, due through 2025	3.2		2.1
Capitalized lease obligations, buildings, due through 2055	134.2		—
Less unamortized debt issuance costs	(12.7)		(4.4)
Total long-term debt	1,810.0		1,002.4
Less current maturities	13.2		51.2
Total long-term debt, net of current	$	1,796.8	$	951.2

Senior Notes

On April 25, 2017, Murphy Oil USA, Inc., our primary operating subsidiary, issued $300 million of 5.625% Senior Notes due 2027 (the "2027 Senior Notes") under its existing shelf registration statement. The 2027 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 2027 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.

On September 13, 2019, Murphy Oil USA, Inc., issued $500 million of 4.75% Senior Notes due 2029 (the “2029 Senior Notes”). The net proceeds from the issuance of the 2029 Senior Notes were used to fund, in part, the tender offer and redemption of the $500 million aggregate principal amount of its senior notes due 2023. The 2029 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 2029 Senior Notes contains restrictive covenants that are essentially identical to the covenants for the 2027 Senior Notes.

On January 29, 2021, Murphy Oil USA, Inc., issued $500 million of 3.75% Senior Notes due 2031 (the “2031 Senior Notes” and, together with the 2027 Senior Notes and the 2029 Senior Notes, the "Senior Notes"). The net proceeds from the issuance of the 2031 Senior Notes were used to fund the acquisition of QuickChek and for other general corporate purposes. The 2031 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 2031 Senior Notes contains restrictive covenants that are essentially identical to the covenants for the 2027 and 2029 Senior Notes.

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.

Credit Facilities and Term Loan

On January 29, 2021, the Company entered into a new credit agreement that consists of both a cash flow revolving credit facility and a senior unsecured term loan that replaced the Company's prior ABL facility and term loan contained in the credit facility that was last renewed in 2019, respectively.

The credit agreement provides for a senior secured term loan in an aggregate principal amount of $400 million million (the "Term Facility")(which was borrowed in full on January 29, 2021) and revolving credit commitments in an aggregate amount equal to $350 million (the "Revolving Facility", and together with the Term Facility, the "Credit Facilities").

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 rate of interest last quoted by The Wall Street Journal as the "Prime Rate", (b) the greater of the federal funds effective rate and the overnight bank funding rate determined by the Federal Reserve Bank of New York 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 of Adjusted LIBO Rate borrowings, (i) with respect to the Revolving Facility, spreads ranging from 1.75% to 2.25% per annum depending on a total debt to EBITDA ratio or (ii) with respect to the Term Facility, a spread of 1.75% per annum and (B) in the case of Alternate Base Rate borrowings (i) with respect to the Revolving

Facility, spreads ranging from 0.75% to 1.25% per annum depending on a total debt to EBITDA ratio or (ii) with respect to the Term Facility, a spread of 1.75% per annum.

The Term Facility amortizes in quarterly installments starting with the first amortization payment being due on July 1, 2021 at a rate of 1.00% per annum. Murphy USA is also required to prepay the Term Facility with a portion of its excess cash flow, a portion of the net cash proceeds of certain asset sales, casualty events (subject to certain reinvestment rights) and issuances of indebtedness not permitted under the Credit Agreement and with designated proceeds received from certain asset sales, issuances of indebtedness and sale-leaseback transactions, subject to certain exceptions. The Credit Agreement allows Murphy USA to prepay, in whole or in part, the Term Facility outstanding thereunder, together with any accrued and unpaid interest, with prior notice but without premium or penalty other than breakage and redeployment costs.

The credit agreement contains certain covenants that limit, among other things, the ability of the Company and certain of its 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. The Credit Agreement also contains total leverage ratio and secured net leverage ratio financial maintenance covenants which are tested quarterly. Pursuant to the total leverage ratio financial maintenance covenant, the Company must maintain a total leverage ratio of not more than 5.0 to 1.0 with an ability in certain circumstances to temporarily increase that limit to 5.5 to 1.0. In conformance to the secured net leverage ratio financial maintenance covenant, the Company must maintain a maximum secured net leverage ratio of 3.75 to 1.0 with an ability in certain circumstances to temporarily increase that limit to 4.25 to 1.0. The Credit Agreement also contains customary events of default.

Pursuant to the credit agreement's covenant limiting certain restricted payments, certain payments in respect of our equity interests, including dividends, when the total leverage ratio, calculated on a pro forma basis, is greater than 3.0 to 1.0 could be limited. At March 31, 2021, our total leverage ratio was 2.41 to 1.0 which meant our ability at that date to make restricted payments was not limited. If our total leverage ratio, on a pro forma basis, exceeds 3.0 to 1.0, any restricted payments made following that time until the ratio is once again, on a pro forma basis, below 3.0 to 1.0 would be limited by the covenant, which contains certain exceptions, including an ability to make restricted payments in cash in an aggregate amount not to exceed $100 million in any fiscal year and an additional ability to make restricted payments in an aggregate amount not to exceed the greater of $105 million or 4.5% of consolidated net tangible assets over the life of the credit agreement.

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Asset Retirement Obligations (ARO)

3 Months Ended

Mar. 31, 2021

Asset Retirement Obligation Disclosure [Abstract]

Asset Retirement Obligations (ARO)

Asset Retirement Obligations (ARO)

The majority of the ARO recognized by the Company at March 31, 2021 and December 31, 2020 is 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.

(Millions of dollars)	March 31, 2021		December 31, 2020
Balance at beginning of period	$	35.1	$	32.8
Addition for acquisition	1.2		—
Accretion expense	0.6		2.3
Settlements of liabilities	(0.2)		(0.8)
Liabilities incurred	—		0.8
Balance at end of period	$	36.7	$	35.1

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.

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Income Taxes

3 Months Ended

Mar. 31, 2021

Income Tax Disclosure [Abstract]

Income Taxes

Income Taxes

The effective tax rate is calculated as the amount of income tax expense (benefit) divided by income before income tax expense (benefit). For the three month periods ended March 31, 2021 and 2020, the Company’s approximate effective tax rates were as follows:

	2021	2020
Three months ended March 31,	24.6%	23.9%

In the three months ended March 31, 2021, the Company recognized approximately $0.9 million of excess tax benefits related to stock compensation for employees and $1.0 million in expense for other discrete tax items related to state deferred tax rate adjustments due to the QuickChek acquisition. For the three months ended March 31, 2020, the Company recognized a tax benefit of approximately $0.6 million of excess tax benefits related to stock compensation and $0.4 million for other discrete tax items.

As of March 31, 2021, the earliest year remaining open for federal and state audit and/or settlement is 2017 and 2015, respectively.  Although the Company believes that recorded liabilities for uncertain tax positions are adequate, additional gains or losses could occur in future periods from resolution of outstanding unsettled matters.

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Incentive Plans

3 Months Ended

Mar. 31, 2021

Share-based Payment Arrangement [Abstract]

Incentive Plans

Incentive Plans

2013 Long-Term Incentive Plan

Effective August 30, 2013, certain of our employees participate in the Murphy USA 2013 Long-Term Incentive Plan which was subsequently amended and restated effective as of February 8, 2017 (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. No more than 5.5 million shares of MUSA common stock may be delivered under the MUSA 2013 Plan and 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 $5.0 million.

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. In February 2021, the Committee granted nonqualified stock options to certain employees of the Company. The Black-Scholes valuation for these awards was $32.00 per option.

Assumptions used to value awards:
Dividend yield	0.79		%
Expected volatility	32.3		%
Risk-free interest rate	0.4		%
Expected life (years)	4.6
Stock price at valuation date	$	126.00

Changes in options outstanding for Company employees during the period from December 31, 2020 to March 31, 2021 are presented in the following table:

Options	Number of Shares	Weighted Average Exercise Price		Weighted Average Remaining Contractual Term (Years)	Aggregate Intrinsic Value (Millions of Dollars)
Outstanding at 12/31/2020	322,700	$	79.60
Granted	81,300	$	126.00
Outstanding at 3/31/2021	404,000	$	88.94	4.9	$	22.5
Exercisable at 3/31/2021	194,200	$	69.92	3.6	$	14.5

RESTRICTED STOCK UNITS (MUSA 2013 Plan) – The Committee has granted time based restricted stock units (RSUs) as part of the compensation plan for its executives and certain other employees since its inception. The awards granted in the current year were under the MUSA 2013 Plan, are valued at the grant date fair value, and vest over 3 years. 

Changes in restricted stock units outstanding for Company employees during the period from December 31, 2020 to March 31, 2021 are presented in the following table:

Employee RSUs	Number of units	Weighted Average Grant Date Fair Value		Total Fair Value (Millions of Dollars)
Outstanding at 12/31/2020	182,795	$	77.38
Granted	55,074	$	132.63
Vested and issued	(45,917)	$	71.95	$	6.6
Forfeited	(1,013)	$	80.06
Outstanding at 3/31/2021	190,939	$	94.61	$	27.6

PERFORMANCE-BASED RESTRICTED STOCK UNITS (MUSA 2013 Plan) – In February 2021, 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 18 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 $168.42 per unit.  For the ROACE portion of the awards, the valuation will be based on the grant date fair value of $126.00 per unit and the number of awards will be periodically assessed to determine the probability of vesting. 

Changes in performance-based restricted stock units outstanding for Company employees during the period from December 31, 2020 to March 31, 2021 are presented in the following table:

Employee PSU's	Number of Units	Weighted Average Grant Date Fair Value		Total Fair Value (Millions of Dollars)
Outstanding at 12/31/2020	129,340	$	97.01
Granted	64,600	$	145.91
Vested and issued	(58,302)	$	76.78	$	7.3
Outstanding at 3/31/2021	135,638	$	117.42	$	19.6

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. 

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.

Changes in restricted stock units outstanding for Company non-employee directors during the period from December 31, 2020 to March 31, 2021 are presented in the following table:

Director RSU's	Number of Units	Weighted Average Grant Date Fair Value		Total Fair Value (Millions of Dollars)
Outstanding at 12/31/2020	31,004	$	83.31
Granted	8,692	$	125.04
Vested and issued	(9,589)	$	69.37	$	1.2
Outstanding at 3/31/2021	30,107	$	99.79	$	4.4

For the three months ended March 31, 2021 and 2020, share-based compensation was $3.6 million and $2.8 million, respectively.

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Financial Instruments and Risk Management

3 Months Ended

Mar. 31, 2021

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 and interest rates. 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 credit worthy major financial institutions or over national exchanges such as the New York Mercantile Exchange (“NYMEX”). For accounting purposes, the Company has not designated commodity derivative contracts as hedges, and therefore, it recognizes all gains and losses on these derivative contracts in its Consolidated Statement of Income. Certain interest rate derivative contracts were accounted for as hedges and gain or loss associated with recording the fair value of these contracts was deferred in AOCI until the anticipated transactions occur. As of March 31, 2021, all current commodity derivative activity is immaterial.

At March 31, 2021 there was $0.9 million cash deposit and at December 31, 2020 the cash deposit was $0.6 million related to commodity derivative contracts reported in Prepaid expenses and other current assets in the Consolidated Balance Sheets. These cash deposits have not been used to increase the reported net assets or reduce the reported net liabilities on the derivative contracts at March 31, 2021 or December 31, 2020.

Interest Rate Risks

Under hedge accounting rules, the Company deferred the net charge or benefit associated with the interest rate swap entered into to manage the variability in interest payments for the variable-rate debt in association with $150.0 million of our outstanding term loan dated August 27, 2019 until the debt was repaid on January 29, 2021. At that time the hedge was de-designated and hedge accounting no longer applies as mark-to-market gains and losses were recognized in the Consolidated Statement of income in interest expense. For the three months ended March 31, 2021 there were unrealized gains of $0.4 million and realized losses of $0.2 million.The balance of the unrealized gain in accumulated comprehensive income (loss) is being amortized out of accumulated comprehensive

income (loss) to interest expense over the remaining term of the initial loan and for the three months ended March 31, 2021 the amount amortized was $0.2 million, leaving a remaining balance of $2.3 million at March 31, 2021.

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Earnings Per Share

3 Months Ended

Mar. 31, 2021

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 October 28, 2020, the Board of Directors approved an up to $500 million share repurchase program to be in effect through December 2023. For the three months ended March 31, 2021, the Company repurchased 397,882 shares of common stock for an average price of $125.67 per share including brokerage fees. For the three months ended March 31, 2020, 1,362,400 shares were repurchased for an average price of $103.17 per share under previous board authorizations.

The following table provides a reconciliation of basic and diluted earnings per share computations for the three months ended March 31, 2021 and 2020:

	Three Months Ended March 31,
(Millions of dollars, except share and per share amounts)	2021		2020
Earnings per common share:
Net income per share - basic
Net income attributable to common stockholders	$	55.3	$	89.3
Weighted average common shares outstanding (in thousands)	27,131		30,235
Earnings per common share	$	2.04	$	2.95

Earnings per common share - assuming dilution:
Net income per share - diluted
Net income attributable to common stockholders	$	55.3	$	89.3
Weighted average common shares outstanding (in thousands)	27,131		30,235
Common equivalent shares:
Dilutive share-based awards	357		306
Weighted average common shares outstanding - assuming dilution (in thousands)	27,488		30,541
Earnings per common share assuming dilution	$	2.01	$	2.92

We have excluded from the earnings-per-share calculation certain stock options and shares that are considered to be anti-dilutive under the treasury stock method and reported in the table below.

	Three Months Ended March 31,
Potentially dilutive shares excluded from the calculation as their inclusion would be anti-dilutive	2021	2020
Stock Options	81,300	75,600
Restricted share units	20,491	70,887
Total anti-dilutive shares	101,791	146,487

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Other Financial Information

3 Months Ended

Mar. 31, 2021

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Other Financial Information

Other Financial Information

CASH FLOW DISCLOSURES — There were no cash income taxes paid, net of refunds and refunds of $0.5 million for the three month periods ended March 31, 2021 and 2020, respectively. Interest paid, net of amounts capitalized, was $18.4 million and $14.7 million for the three month periods ended March 31, 2021 and 2020, respectively.  

CHANGES IN WORKING CAPITAL:

	Three Months Ended March 31,
(Millions of dollars)	2021		2020
Accounts receivable	$	(5.3)	$	37.3
Inventories	20.5		(16.7)
Prepaid expenses and other current assets	(3.3)		13.7
Accounts payable and accrued liabilities	81.6		(66.1)
Income taxes payable	14.5		6.1
Net (increase) decrease in noncash operating working capital	$	108.0	$	(25.7)

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Assets and Liabilities Measured at Fair Value

3 Months Ended

Mar. 31, 2021

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 derivative contracts was determined using NYMEX quoted values but was immaterial.

The following table presents the carrying amounts and estimated fair values of financial instruments held by the Company at March 31, 2021 and December 31, 2020. 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, Restricted cash, 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.  

	At March 31, 2021				At December 31, 2020
	Carrying				Carrying
(Millions of dollars)	Amount		Fair Value		Amount		Fair Value
Financial liabilities
Current and long-term debt	$	(1,672.6)	$	(1,710.6)	$	(1,002.4)	$	(1,029.9)

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Contingencies

3 Months Ended

Mar. 31, 2021

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. 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 March 31, 2021, 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. 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 March 31, 2021. 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.

Other than as noted above, 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, general liability insurance with a self-insured retention of $3.0 million per occurrence, and auto liability insurance with a deductible of $0.3 million per occurrence. As of March 31, 2021, 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 $37.0 million will be sufficient to cover the related liability for all insurance claims 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 March 31, 2021, the Company had contingent liabilities of $13.8 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.

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Lease Accounting

3 Months Ended

Mar. 31, 2021

Leases [Abstract]

Lease Accounting

Lease AccountingThe Company determines if an arrangement is a lease or contains a lease at inception. Operating lease right-of-use assets and liabilities are recognized at commencement date based on the present value of lease payments over the lease term. Leases with an initial term of 12 months or less are not recorded on the balance sheet; we recognize lease expense for these leases on a straight-line basis over the lease term. The Company's leases have remaining lease terms of approximately 1 year to 35 years, which may include the option to extend the lease when it is reasonably certain the Company will exercise the option. Most leases include one or more options to renew, with renewal terms that can extend the lease term from 5 to 20 years or more. The exercise of lease renewal options is at the Company's sole discretion. Due to the uncertainties of future markets, economic factors, technology changes, demographic shifts and behavior, environmental regulatory requirements and other information that impacts decisions as to station location, management has determined that it was not reasonably certain to exercise contract options and they are not included in the lease term. Additionally, short-term leases and leases with variable lease costs are immaterial. The Company reviews all options to extend, terminate, or otherwise modify its lease agreements to determine if changes are required to the right of use assets and liabilities.

As the implicit interest rate is not readily determinable in most of the Company's lease agreements, the Company uses its estimated secured incremental borrowing rate based on the information available at commencement date in determining the present value of lease payments.

Lessor — We have various arrangements for certain spaces for food service and vending equipment as well as subleases under which we are the lessor. These leases meet the criteria for operating lease classification. Lease income associated with these leases is immaterial.

Lessee —We lease land for 392 stations, one terminal, an office building, a hangar and various equipment. Our lease agreements do not contain any material residual value guarantees and approximately 102 sites leased from Walmart contain restrictive covenants, though the restrictions are deemed to have an immaterial impact.

Leases are reflected in the following balance sheet accounts:

(Millions of dollars)	Classification	March 31, 2021		December 31, 2020
Assets
Operating (Right-of-use)	Operating lease right-of-use assets	$	395.6	$	147.7
Finance	Property, plant, and equipment, at cost, less accumulated depreciation of $5.0 at March 31, 2021 and $2.8 at December 31, 2020	137.3		2.6
Total leased assets		$	532.9	$	150.3
Liabilities
Current
Operating	Trade accounts payable and accrued liabilities	$	17.0	$	7.8
Finance	Current maturities of long-term debt	10.2		1.2
Noncurrent
Operating	Non current operating lease liabilities	382.3		142.5
Finance	Long-term debt, including capitalized lease obligations	127.2		0.9
Total lease liabilities		$	536.7	$	152.4

Lease Cost:

		Three Months Ended March 31,
(Millions of dollars)	Classification	2021		2020
Operating lease cost	Station and other operating expenses	$	8.9	$	3.9
Finance lease cost
Amortization of leased assets	Depreciation & amortization expense	2.6		0.3
Interest on lease liabilities	Interest expense	1.4		—
Net lease costs		$	12.9	$	4.2

Cash flow information:

	Three Months Ended March 31,
(Millions of dollars)	2021		2020
Cash paid for amounts included in the measurement of liabilities
Operating cash flows from operating leases	$	8.2	$	3.7
Operating cash flows from finance leases	$	1.4	$	—
Financing cash flows from finance leases	$	1.8	$	0.4

Maturity of Lease Liabilities at March 31, 2021:

(Millions of dollars)	Operating leases		Finance leases
2021	$	30.9	$	14.1
2022	41.0		18.0
2023	40.0		16.7
2024	39.7		15.2
2025	39.3		14.5
After 2025	468.0		148.9
Total lease payments	658.9		227.4
less: interest	259.6		90.0
Present value of lease liabilities	$	399.3	$	137.4

Lease Term and Discount Rate:

	Three Months Ended March 31,
	2021
Weighted average remaining lease term (years)
Finance leases	14.9
Operating leases	18.0
Weighted average discount rate
Finance leases	5.2	%
Operating leases	6.0	%

Lease Accounting

Lease AccountingThe Company determines if an arrangement is a lease or contains a lease at inception. Operating lease right-of-use assets and liabilities are recognized at commencement date based on the present value of lease payments over the lease term. Leases with an initial term of 12 months or less are not recorded on the balance sheet; we recognize lease expense for these leases on a straight-line basis over the lease term. The Company's leases have remaining lease terms of approximately 1 year to 35 years, which may include the option to extend the lease when it is reasonably certain the Company will exercise the option. Most leases include one or more options to renew, with renewal terms that can extend the lease term from 5 to 20 years or more. The exercise of lease renewal options is at the Company's sole discretion. Due to the uncertainties of future markets, economic factors, technology changes, demographic shifts and behavior, environmental regulatory requirements and other information that impacts decisions as to station location, management has determined that it was not reasonably certain to exercise contract options and they are not included in the lease term. Additionally, short-term leases and leases with variable lease costs are immaterial. The Company reviews all options to extend, terminate, or otherwise modify its lease agreements to determine if changes are required to the right of use assets and liabilities.

As the implicit interest rate is not readily determinable in most of the Company's lease agreements, the Company uses its estimated secured incremental borrowing rate based on the information available at commencement date in determining the present value of lease payments.

Lessor — We have various arrangements for certain spaces for food service and vending equipment as well as subleases under which we are the lessor. These leases meet the criteria for operating lease classification. Lease income associated with these leases is immaterial.

Lessee —We lease land for 392 stations, one terminal, an office building, a hangar and various equipment. Our lease agreements do not contain any material residual value guarantees and approximately 102 sites leased from Walmart contain restrictive covenants, though the restrictions are deemed to have an immaterial impact.

Leases are reflected in the following balance sheet accounts:

(Millions of dollars)	Classification	March 31, 2021		December 31, 2020
Assets
Operating (Right-of-use)	Operating lease right-of-use assets	$	395.6	$	147.7
Finance	Property, plant, and equipment, at cost, less accumulated depreciation of $5.0 at March 31, 2021 and $2.8 at December 31, 2020	137.3		2.6
Total leased assets		$	532.9	$	150.3
Liabilities
Current
Operating	Trade accounts payable and accrued liabilities	$	17.0	$	7.8
Finance	Current maturities of long-term debt	10.2		1.2
Noncurrent
Operating	Non current operating lease liabilities	382.3		142.5
Finance	Long-term debt, including capitalized lease obligations	127.2		0.9
Total lease liabilities		$	536.7	$	152.4

Lease Cost:

		Three Months Ended March 31,
(Millions of dollars)	Classification	2021		2020
Operating lease cost	Station and other operating expenses	$	8.9	$	3.9
Finance lease cost
Amortization of leased assets	Depreciation & amortization expense	2.6		0.3
Interest on lease liabilities	Interest expense	1.4		—
Net lease costs		$	12.9	$	4.2

Cash flow information:

	Three Months Ended March 31,
(Millions of dollars)	2021		2020
Cash paid for amounts included in the measurement of liabilities
Operating cash flows from operating leases	$	8.2	$	3.7
Operating cash flows from finance leases	$	1.4	$	—
Financing cash flows from finance leases	$	1.8	$	0.4

Maturity of Lease Liabilities at March 31, 2021:

(Millions of dollars)	Operating leases		Finance leases
2021	$	30.9	$	14.1
2022	41.0		18.0
2023	40.0		16.7
2024	39.7		15.2
2025	39.3		14.5
After 2025	468.0		148.9
Total lease payments	658.9		227.4
less: interest	259.6		90.0
Present value of lease liabilities	$	399.3	$	137.4

Lease Term and Discount Rate:

	Three Months Ended March 31,
	2021
Weighted average remaining lease term (years)
Finance leases	14.9
Operating leases	18.0
Weighted average discount rate
Finance leases	5.2	%
Operating leases	6.0	%

Lease Accounting

Lease AccountingThe Company determines if an arrangement is a lease or contains a lease at inception. Operating lease right-of-use assets and liabilities are recognized at commencement date based on the present value of lease payments over the lease term. Leases with an initial term of 12 months or less are not recorded on the balance sheet; we recognize lease expense for these leases on a straight-line basis over the lease term. The Company's leases have remaining lease terms of approximately 1 year to 35 years, which may include the option to extend the lease when it is reasonably certain the Company will exercise the option. Most leases include one or more options to renew, with renewal terms that can extend the lease term from 5 to 20 years or more. The exercise of lease renewal options is at the Company's sole discretion. Due to the uncertainties of future markets, economic factors, technology changes, demographic shifts and behavior, environmental regulatory requirements and other information that impacts decisions as to station location, management has determined that it was not reasonably certain to exercise contract options and they are not included in the lease term. Additionally, short-term leases and leases with variable lease costs are immaterial. The Company reviews all options to extend, terminate, or otherwise modify its lease agreements to determine if changes are required to the right of use assets and liabilities.

As the implicit interest rate is not readily determinable in most of the Company's lease agreements, the Company uses its estimated secured incremental borrowing rate based on the information available at commencement date in determining the present value of lease payments.

Lessor — We have various arrangements for certain spaces for food service and vending equipment as well as subleases under which we are the lessor. These leases meet the criteria for operating lease classification. Lease income associated with these leases is immaterial.

Lessee —We lease land for 392 stations, one terminal, an office building, a hangar and various equipment. Our lease agreements do not contain any material residual value guarantees and approximately 102 sites leased from Walmart contain restrictive covenants, though the restrictions are deemed to have an immaterial impact.

Leases are reflected in the following balance sheet accounts:

(Millions of dollars)	Classification	March 31, 2021		December 31, 2020
Assets
Operating (Right-of-use)	Operating lease right-of-use assets	$	395.6	$	147.7
Finance	Property, plant, and equipment, at cost, less accumulated depreciation of $5.0 at March 31, 2021 and $2.8 at December 31, 2020	137.3		2.6
Total leased assets		$	532.9	$	150.3
Liabilities
Current
Operating	Trade accounts payable and accrued liabilities	$	17.0	$	7.8
Finance	Current maturities of long-term debt	10.2		1.2
Noncurrent
Operating	Non current operating lease liabilities	382.3		142.5
Finance	Long-term debt, including capitalized lease obligations	127.2		0.9
Total lease liabilities		$	536.7	$	152.4

Lease Cost:

		Three Months Ended March 31,
(Millions of dollars)	Classification	2021		2020
Operating lease cost	Station and other operating expenses	$	8.9	$	3.9
Finance lease cost
Amortization of leased assets	Depreciation & amortization expense	2.6		0.3
Interest on lease liabilities	Interest expense	1.4		—
Net lease costs		$	12.9	$	4.2

Cash flow information:

	Three Months Ended March 31,
(Millions of dollars)	2021		2020
Cash paid for amounts included in the measurement of liabilities
Operating cash flows from operating leases	$	8.2	$	3.7
Operating cash flows from finance leases	$	1.4	$	—
Financing cash flows from finance leases	$	1.8	$	0.4

Maturity of Lease Liabilities at March 31, 2021:

(Millions of dollars)	Operating leases		Finance leases
2021	$	30.9	$	14.1
2022	41.0		18.0
2023	40.0		16.7
2024	39.7		15.2
2025	39.3		14.5
After 2025	468.0		148.9
Total lease payments	658.9		227.4
less: interest	259.6		90.0
Present value of lease liabilities	$	399.3	$	137.4

Lease Term and Discount Rate:

	Three Months Ended March 31,
	2021
Weighted average remaining lease term (years)
Finance leases	14.9
Operating leases	18.0
Weighted average discount rate
Finance leases	5.2	%
Operating leases	6.0	%

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Business Segment

3 Months Ended

Mar. 31, 2021

Segment Reporting [Abstract]

Business Segment

Business Segment

The Company's operations have one reportable segment which is Marketing.  The 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 ("PS&W") group. As the primary purpose of the PS&W 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 performed 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 functions of the Company. Results not included in the reportable segment include Corporate and Other Assets. Net settlement proceeds from litigation are included in Corporate and other assets operating income. The reportable segment was determined based on information reviewed by the Chief Operating Decision Maker (CODM).

			Three Months Ended
			March 31, 2021				March 31, 2020
	Total Assets at		External Revenues		Income (Loss)		External Revenues		Income (Loss)
(Millions of dollars)	March 31, 2021
Marketing	$	3,567.3	$	3,537.1	$	80.4	$	3,184.7	$	100.9
Corporate and other assets	413.3		—		(25.1)		0.1		(11.6)
Total	$	3,980.6	$	3,537.1	$	55.3	$	3,184.8	$	89.3

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Description of Business and Basis of Presentation (Policies)

3 Months Ended

Mar. 31, 2021

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Basis of Presentation

In preparing the financial statements of Murphy USA in conformity with accounting principles generally accepted in the United States, management has made a number of estimates and assumptions related to the reporting of assets, liabilities, revenues, expenses and the disclosure of contingent assets and liabilities. Actual results may differ from these estimates.

Accounting Policies Related to the Acquisition of QuickChek, Business Combinations

The purchase price of an acquisition is measured as the aggregate of the fair value of the consideration transferred. The purchase price is allocated to the fair values of the tangible and intangible assets acquired and liabilities assumed, with any excess recorded as goodwill. These fair value determinations require judgment and may involve the use of significant estimates and assumptions. The purchase price allocation may be provisional during a measurement period of up to one year to provide reasonable time to obtain the information necessary to identify and measure the assets acquired and liabilities assumed. Any such measurement period adjustments are recognized in the period in which the adjustment amount is determined. Transaction costs associated with the acquisition are expensed as incurred.

Accounting Policies Related to the Acquisition of QuickChek, Goodwill and Intangible Assets

Goodwill represents the excess of the aggregate of the consideration transferred over the net assets acquired and liabilities assumed and is tested annually for impairment, or more frequently if there are indicators of impairment. Acquired finite-lived intangible assets are amortized on a straight-line basis over their estimated useful lives, and are reviewed for impairment when events or circumstances indicate that the asset group to which the intangible assets belong might be impaired. The Company revises the estimated remaining useful life of these assets when events or changes in circumstances warrant a revision. If the Company revises the useful life, the unamortized balance is amortized over the use life on a prospective basis. Indefinite-lived intangibles are tested annually for impairment, or more often if indicators warrant.

Recently Issued Accounting Standards

In March 2020, the FASB issued ASU 2020-04, "Reference Rate Reform (Topic 848) - Facilitation of the Effects of Reference Rate Reform on Financial Reporting". This standard included optional guidance for a limited period of time to help ease the burden in accounting for the effects of reference rate reform. The new standard is effective for all entities through December 31, 2022. The Company does not expect the adoption of this standard to have a material impact on the Company's consolidated financial statements.

Revenue Recognition

Revenue is recognized when obligations under the terms of a contract with our customers are satisfied; generally, this occurs with the transfer of control of our petroleum products, convenience merchandise, Renewable Identification Numbers ("RINs") and other assets to our third-party customers. Revenue is measured as the amount of consideration we expect to receive in exchange for transferring goods or providing services. Excise and sales tax that we collect where we have determined we are the principal in the transaction have been recorded as revenue on a jurisdiction-by-jurisdiction basis.

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 arrangements based on location or quality differences. The Company continues to account for these transactions as non-monetary exchanges under existing accounting guidance and typically reports these on a net basis in the Consolidated Statements of Income.

Petroleum product sales (at retail). For our retail store locations, the revenue related to petroleum product sales is recognized as the fuel is pumped to our customers. The transaction price at the pump typically includes some portion of sales or excise taxes as levied in the respective jurisdictions. Those taxes that are collected for remittance to governmental entities on a pass through basis are not recognized as revenue and they are recorded to a liability account until they are paid. Our customers typically use a mixture of cash, checks, credit cards and debit cards to pay for our products as they are received. We have accounts receivable from the various credit/debit card providers at any point in time related to product sales made on credit cards and debit cards. These receivables are typically collected in two to seven days, depending on the terms with the particular credit/debit card providers. Payment fees retained by the credit/debit card providers are recorded as station and other operating expenses.

Petroleum product sales (at wholesale). Our sales of petroleum products at wholesale are generally recorded as revenue when the deliveries have occurred and legal ownership of the product has transferred to the customer. Title transfer for bulk refined product sales typically occurs at pipeline custody points and upon trucks loading at product terminals. For bulk pipeline sales, we record receivables from customers that are generally collected within a week from custody transfer date. For our rack product sales, the majority of our customers' accounts are drafted by us within 10 days from product transfer.

Merchandise sales. For our retail store locations, the revenue related to merchandise sales is recognized as the customer completes their purchase at our locations. The transaction price typically includes some portion of sales tax as levied in the respective jurisdictions. Those taxes that are collected for remittance to governmental entities on a pass through basis are not recognized as revenue and they are recorded to a liability account until they are paid. As noted above, a mixture of payment types are used for these revenues and the same terms for credit/debit card receivables are realized.

The most significant judgment with respect to merchandise sales revenue is determining whether we are the principal or agent for some categories of merchandise such as lottery tickets, lotto tickets, newspapers and other small categories of merchandise. For scratch-off lottery tickets, we have determined we are the principal in the majority of the jurisdictions and therefore we record those sales on a gross basis. We have some categories of merchandise (such as lotto tickets) where we are the agent and the revenues recorded for those transactions are our net commission only.

The Company offers a loyalty program through its Murphy USA, Murphy Express, and QuickChek branded retail locations. The customers earn rewards based on their spending or other promotional activities. This program creates a performance obligation which requires us to defer a portion of sales revenue to the loyalty program participants until they redeem their rewards. The rewards may be redeemed for free or discounted merchandise or cash discounts at all stores and on fuel purchases only at Murphy USA and Murphy Express stores. Earned rewards expire after an account is inactive for a period of 90 days at Murphy USA and Murphy Express, while certain QuickChek rewards require use within the month. We recognize loyalty revenue when a customer redeems an earned reward. Deferred revenue associated with both rewards program are included in Trade accounts payable and accrued liabilities in our Consolidated Balance Sheet. The deferred revenue balances at March 31, 2021 and December 31, 2020 were immaterial.

RINs sales. For the sale of RINs, we recognize revenue when the RIN is transferred to the counter-party and the sale is completed. Receivables from our counter-parties related to the RIN sales are typically collected within five days of the sale.

Other revenues. Items reported as other operating revenues include collection allowances for excise and sales tax and other miscellaneous items and are recognized as revenue when the transaction is completed.

Lease Accounting

The Company determines if an arrangement is a lease or contains a lease at inception. Operating lease right-of-use assets and liabilities are recognized at commencement date based on the present value of lease payments over the lease term. Leases with an initial term of 12 months or less are not recorded on the balance sheet; we recognize lease expense for these leases on a straight-line basis over the lease term. The Company's leases have remaining lease terms of approximately 1 year to 35 years, which may include the option to extend the lease when it is reasonably certain the Company will exercise the option. Most leases include one or more options to renew, with renewal terms that can extend the lease term from 5 to 20 years or more. The exercise of lease renewal options is at the Company's sole discretion. Due to the uncertainties of future markets, economic factors, technology changes, demographic shifts and behavior, environmental regulatory requirements and other information that impacts decisions as to station location, management has determined that it was not reasonably certain to exercise contract options and they are not included in the lease term. Additionally, short-term leases and leases with variable lease costs are immaterial. The Company reviews all options to extend, terminate, or otherwise modify its lease agreements to determine if changes are required to the right of use assets and liabilities.

As the implicit interest rate is not readily determinable in most of the Company's lease agreements, the Company uses its estimated secured incremental borrowing rate based on the information available at commencement date in determining the present value of lease payments.

Lessor — We have various arrangements for certain spaces for food service and vending equipment as well as subleases under which we are the lessor. These leases meet the criteria for operating lease classification. Lease income associated with these leases is immaterial.

Lessee —We lease land for 392 stations, one terminal, an office building, a hangar and various equipment. Our lease agreements do not contain any material residual value guarantees and approximately 102 sites leased from Walmart contain restrictive covenants, though the restrictions are deemed to have an immaterial impact.

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Revenues (Tables)

3 Months Ended

Mar. 31, 2021

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

The following tables disaggregate our revenues by major source for the three months ended March 31, 2021 and 2020, respectively:

	Three Months Ended March 31, 2021						Three Months Ended March 31, 2020
(Millions of dollars)	Marketing		Corporate and Other Assets		Consolidated		Marketing		Corporate and Other Assets		Consolidated
Petroleum product sales (at retail) 1	$	2,384.8	—		$	2,384.8	$	2,246.2	$	—	$	2,246.2
Petroleum product sales (at wholesale)	251.0		—		251.0		234.0		—		234.0
Total petroleum product sales	2,635.8		—		2,635.8		2,480.2		—		2,480.2
Merchandise sales	833.2		—		833.2		687.5		—		687.5
Other operating revenues:
RINs	66.7		—		66.7		15.5		—		15.5
Other revenues 2	1.4		—		1.4		1.5		0.1		1.6
Total revenues	$	3,537.1	$	—	$	3,537.1	$	3,184.7	$	0.1	$	3,184.8

1 Includes excise and sales taxes that remain eligible for inclusion under Topic 606

2 Primarily includes collection allowance on excise and sales taxes and other miscellaneous items

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Inventories (Tables)

3 Months Ended

Mar. 31, 2021

Inventory Disclosure [Abstract]

Summary of Inventory

Inventories consisted of the following:

(Millions of dollars)	March 31, 2021		December 31, 2020
Finished products - First-In, First-Out ("FIFO") basis	$	300.0	$	223.0
Less: Last-In, First-Out ("LIFO") reserve - finished products	(192.2)		(101.3)
Finished products - LIFO basis	107.8		121.7
Store merchandise for resale	169.0		152.0
Materials and supplies	6.2		5.4
Total inventories	$	283.0	$	279.1

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Business Acquisition (Tables)

3 Months Ended

Mar. 31, 2021

Business Combinations [Abstract]

Schedule of Recognized Identified Assets Acquired and Liabilities Assumed

The following table summarizes the preliminary fair value of the consideration transferred at the date of the acquisition, as well as the calculation of preliminary goodwill based on the excess of consideration over the provisional fair value of net assets acquired:

(Millions of dollars)
Cash paid to shareholders	$	642.9
Less cash and cash equivalents acquired	0.8
Fair value of consideration transferred, net of cash acquired	$	642.1

(Millions of dollars)
Assets acquired:
Accounts receivable	$	8.0
Inventories	24.3
Prepaid expenses and other current assets	5.6
Property and equipment	429.1
Right of use assets	238.1
Other assets	5.4
Identified intangible assets	106.8
Liabilities assumed:
Accounts payable and accrued expenses	(68.5)
Deferred income tax liabilities	(59.5)
Asset retirement obligation	(1.2)
Long term debt, including finance lease obligations	(136.5)
Deferred credits and other liabilities	(7.4)
Operating lease liabilities	(238.5)
Net assets acquired	305.7
Goodwill	336.4
Fair value of consideration transferred, net of cash and cash equivalents acquired	$	642.1

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Goodwill and Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

(Millions of dollars)	March 31, 2021
Balance as of January 1, 2021	$	—
QuickChek acquisition	336.4
Ending balance as of March 31, 2021	$	336.4

Schedule of Intangible Assets

In connection with our acquisition

of QuickChek on January 29, 2021, we recorded the following amounts of intangible assets in addition to one prior intangible asset.

			Remaining Useful Life
(Millions of dollars)	Carrying Value		(in years)
Intangible assets subject to amortization:
Pipeline space	$	34.4	34.4
Intangible lease liability	(9.0)		15.3
Intangible assets not subject to amortization:
Tradename	115.4		n/a
Liquor licenses	0.5		n/a
Total intangible assets	$	141.3

Intangible assets subject to amortization at March 31, 2021 and December 31, 2020 consisted of the following:

	March 31, 2021				December 31, 2020
(Millions of dollars)	Cost		Net		Cost		Net
Pipeline space	$	39.6	$	34.4	$	39.6	$	34.6
Intangible lease liability	(9.1)		(9.0)		—		—
	$	30.5	$	25.4	$	39.6	$	34.6

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Long-Term Debt (Tables)

3 Months Ended

Mar. 31, 2021

Debt Disclosure [Abstract]

Summary of Long-Term Debt

Long-term debt consisted of the following:

(Millions of dollars)	March 31, 2021		December 31, 2020
3.75% senior notes due 2031 (net of unamortized discount of $6.1 at March 31, 2021)	$	493.9	$	—
5.625% senior notes due 2027 (net of unamortized discount of $2.3 at March 31, 2021 and $2.4 at December 2020)	297.7		297.6
4.75% senior notes due 2029 (net of unamortized discount of $5.3 at March 31, 2021 and $5.4 at December 31, 2020)	494.7		494.6
Term loan due 2023 (effective interest rate of n/a at March 31, 2021 and 2.67% at December 31, 2020)	—		212.5
Term loan due 2028 (effective interest rate of 2.27% at March 31, 2021) net of unamortized discount of $1.0 at March 31, 2021	399.0		—
Capitalized lease obligations, autos and equipment, due through 2025	3.2		2.1
Capitalized lease obligations, buildings, due through 2055	134.2		—
Less unamortized debt issuance costs	(12.7)		(4.4)
Total long-term debt	1,810.0		1,002.4
Less current maturities	13.2		51.2
Total long-term debt, net of current	$	1,796.8	$	951.2

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Asset Retirement Obligations (ARO) (Tables)

3 Months Ended

Mar. 31, 2021

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.

(Millions of dollars)	March 31, 2021		December 31, 2020
Balance at beginning of period	$	35.1	$	32.8
Addition for acquisition	1.2		—
Accretion expense	0.6		2.3
Settlements of liabilities	(0.2)		(0.8)
Liabilities incurred	—		0.8
Balance at end of period	$	36.7	$	35.1

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Income Taxes (Tables)

3 Months Ended

Mar. 31, 2021

Income Tax Disclosure [Abstract]

Summary of Effective Income Tax Rates

For the three month periods ended March 31, 2021 and 2020, the Company’s approximate effective tax rates were as follows:

	2021	2020
Three months ended March 31,	24.6%	23.9%

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Incentive Plans (Tables)

3 Months Ended

Mar. 31, 2021

Share-based Payment Arrangement [Abstract]

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions

Assumptions used to value awards:
Dividend yield	0.79		%
Expected volatility	32.3		%
Risk-free interest rate	0.4		%
Expected life (years)	4.6
Stock price at valuation date	$	126.00

Share-based Payment Arrangement, Option, Activity

Changes in options outstanding for Company employees during the period from December 31, 2020 to March 31, 2021 are presented in the following table:

Options	Number of Shares	Weighted Average Exercise Price		Weighted Average Remaining Contractual Term (Years)	Aggregate Intrinsic Value (Millions of Dollars)
Outstanding at 12/31/2020	322,700	$	79.60
Granted	81,300	$	126.00
Outstanding at 3/31/2021	404,000	$	88.94	4.9	$	22.5
Exercisable at 3/31/2021	194,200	$	69.92	3.6	$	14.5

Share-based Payment Arrangement, Restricted Stock Unit, Activity

Changes in restricted stock units outstanding for Company employees during the period from December 31, 2020 to March 31, 2021 are presented in the following table:

Employee RSUs	Number of units	Weighted Average Grant Date Fair Value		Total Fair Value (Millions of Dollars)
Outstanding at 12/31/2020	182,795	$	77.38
Granted	55,074	$	132.63
Vested and issued	(45,917)	$	71.95	$	6.6
Forfeited	(1,013)	$	80.06
Outstanding at 3/31/2021	190,939	$	94.61	$	27.6

Changes in performance-based restricted stock units outstanding for Company employees during the period from December 31, 2020 to March 31, 2021 are presented in the following table:

Employee PSU's	Number of Units	Weighted Average Grant Date Fair Value		Total Fair Value (Millions of Dollars)
Outstanding at 12/31/2020	129,340	$	97.01
Granted	64,600	$	145.91
Vested and issued	(58,302)	$	76.78	$	7.3
Outstanding at 3/31/2021	135,638	$	117.42	$	19.6

Changes in restricted stock units outstanding for Company non-employee directors during the period from December 31, 2020 to March 31, 2021 are presented in the following table:

Director RSU's	Number of Units	Weighted Average Grant Date Fair Value		Total Fair Value (Millions of Dollars)
Outstanding at 12/31/2020	31,004	$	83.31
Granted	8,692	$	125.04
Vested and issued	(9,589)	$	69.37	$	1.2
Outstanding at 3/31/2021	30,107	$	99.79	$	4.4

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Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2021

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 three months ended March 31, 2021 and 2020:

	Three Months Ended March 31,
(Millions of dollars, except share and per share amounts)	2021		2020
Earnings per common share:
Net income per share - basic
Net income attributable to common stockholders	$	55.3	$	89.3
Weighted average common shares outstanding (in thousands)	27,131		30,235
Earnings per common share	$	2.04	$	2.95

Earnings per common share - assuming dilution:
Net income per share - diluted
Net income attributable to common stockholders	$	55.3	$	89.3
Weighted average common shares outstanding (in thousands)	27,131		30,235
Common equivalent shares:
Dilutive share-based awards	357		306
Weighted average common shares outstanding - assuming dilution (in thousands)	27,488		30,541
Earnings per common share assuming dilution	$	2.01	$	2.92

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share

We have excluded from the earnings-per-share calculation certain stock options and shares that are considered to be anti-dilutive under the treasury stock method and reported in the table below.

	Three Months Ended March 31,
Potentially dilutive shares excluded from the calculation as their inclusion would be anti-dilutive	2021	2020
Stock Options	81,300	75,600
Restricted share units	20,491	70,887
Total anti-dilutive shares	101,791	146,487

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Other Financial Information (Tables)

3 Months Ended

Mar. 31, 2021

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Summary of Changes in Operating Working Capital

CHANGES IN WORKING CAPITAL:

	Three Months Ended March 31,
(Millions of dollars)	2021		2020
Accounts receivable	$	(5.3)	$	37.3
Inventories	20.5		(16.7)
Prepaid expenses and other current assets	(3.3)		13.7
Accounts payable and accrued liabilities	81.6		(66.1)
Income taxes payable	14.5		6.1
Net (increase) decrease in noncash operating working capital	$	108.0	$	(25.7)

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Assets and Liabilities Measured at Fair Value (Tables)

3 Months Ended

Mar. 31, 2021

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 March 31, 2021 and December 31, 2020. 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, Restricted cash, 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.  

	At March 31, 2021				At December 31, 2020
	Carrying				Carrying
(Millions of dollars)	Amount		Fair Value		Amount		Fair Value
Financial liabilities
Current and long-term debt	$	(1,672.6)	$	(1,710.6)	$	(1,002.4)	$	(1,029.9)

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Lease Accounting (Tables)

3 Months Ended

Mar. 31, 2021

Leases [Abstract]

Lessee, Lease

Leases are reflected in the following balance sheet accounts:

(Millions of dollars)	Classification	March 31, 2021		December 31, 2020
Assets
Operating (Right-of-use)	Operating lease right-of-use assets	$	395.6	$	147.7
Finance	Property, plant, and equipment, at cost, less accumulated depreciation of $5.0 at March 31, 2021 and $2.8 at December 31, 2020	137.3		2.6
Total leased assets		$	532.9	$	150.3
Liabilities
Current
Operating	Trade accounts payable and accrued liabilities	$	17.0	$	7.8
Finance	Current maturities of long-term debt	10.2		1.2
Noncurrent
Operating	Non current operating lease liabilities	382.3		142.5
Finance	Long-term debt, including capitalized lease obligations	127.2		0.9
Total lease liabilities		$	536.7	$	152.4

Lease, Cost

Lease Cost:

		Three Months Ended March 31,
(Millions of dollars)	Classification	2021		2020
Operating lease cost	Station and other operating expenses	$	8.9	$	3.9
Finance lease cost
Amortization of leased assets	Depreciation & amortization expense	2.6		0.3
Interest on lease liabilities	Interest expense	1.4		—
Net lease costs		$	12.9	$	4.2

Cash flow information:

	Three Months Ended March 31,
(Millions of dollars)	2021		2020
Cash paid for amounts included in the measurement of liabilities
Operating cash flows from operating leases	$	8.2	$	3.7
Operating cash flows from finance leases	$	1.4	$	—
Financing cash flows from finance leases	$	1.8	$	0.4

Maturity of Lease Liabilities at March 31, 2021:

(Millions of dollars)	Operating leases		Finance leases
2021	$	30.9	$	14.1
2022	41.0		18.0
2023	40.0		16.7
2024	39.7		15.2
2025	39.3		14.5
After 2025	468.0		148.9
Total lease payments	658.9		227.4
less: interest	259.6		90.0
Present value of lease liabilities	$	399.3	$	137.4

Lease Term and Discount Rate:

	Three Months Ended March 31,
	2021
Weighted average remaining lease term (years)
Finance leases	14.9
Operating leases	18.0
Weighted average discount rate
Finance leases	5.2	%
Operating leases	6.0	%

Finance Lease, Liability, Maturity

Maturity of Lease Liabilities at March 31, 2021:

(Millions of dollars)	Operating leases		Finance leases
2021	$	30.9	$	14.1
2022	41.0		18.0
2023	40.0		16.7
2024	39.7		15.2
2025	39.3		14.5
After 2025	468.0		148.9
Total lease payments	658.9		227.4
less: interest	259.6		90.0
Present value of lease liabilities	$	399.3	$	137.4

Lessee, Operating Lease, Liability, Maturity

Maturity of Lease Liabilities at March 31, 2021:

(Millions of dollars)	Operating leases		Finance leases
2021	$	30.9	$	14.1
2022	41.0		18.0
2023	40.0		16.7
2024	39.7		15.2
2025	39.3		14.5
After 2025	468.0		148.9
Total lease payments	658.9		227.4
less: interest	259.6		90.0
Present value of lease liabilities	$	399.3	$	137.4

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Business Segment (Tables)

3 Months Ended

Mar. 31, 2021

Segment Reporting [Abstract]

Summary of Information by Business Segment

			Three Months Ended
			March 31, 2021				March 31, 2020
	Total Assets at		External Revenues		Income (Loss)		External Revenues		Income (Loss)
(Millions of dollars)	March 31, 2021
Marketing	$	3,567.3	$	3,537.1	$	80.4	$	3,184.7	$	100.9
Corporate and other assets	413.3		—		(25.1)		0.1		(11.6)
Total	$	3,980.6	$	3,537.1	$	55.3	$	3,184.8	$	89.3

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Description of Business and Basis of Presentation (Details)		1 Months Ended
	Aug. 30, 2013	Mar. 31, 2013 USD ($) $ / shares shares	Mar. 31, 2021 station states $ / shares	Dec. 31, 2020 $ / shares
Product Information [Line Items]
Number of states in which entity operates | states			25
Number of stations			1,660
Common stock shares issued (in shares) | shares		100
Common stock par value (in dollars per share) | $ / shares		$ 0.01	$ 0.01	$ 0.01
Proceeds from issuance of common stock | $		$ 1.00
Percentage of shares of stock distributed (percent)	100.00%
Murphy USA
Product Information [Line Items]
Number of stations			1,151
Murphy Express
Product Information [Line Items]
Number of stations			353
QuickChek
Product Information [Line Items]
Number of stations			156

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Revenues (Disaggregation of Revenue) (Details) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2021	Mar. 31, 2020
Disaggregation of Revenue [Line Items]
Revenue		$ 3,537.1	$ 3,184.8
Total petroleum product sales
Disaggregation of Revenue [Line Items]
Revenue	[1]	2,635.8	2,480.2
Petroleum product sales (at retail)
Disaggregation of Revenue [Line Items]
Revenue		2,384.8	2,246.2
Petroleum product sales (at wholesale)
Disaggregation of Revenue [Line Items]
Revenue		251.0	234.0
Merchandise sales
Disaggregation of Revenue [Line Items]
Revenue		833.2	687.5
RINs
Disaggregation of Revenue [Line Items]
Revenue		66.7	15.5
Other revenues
Disaggregation of Revenue [Line Items]
Revenue		1.4	1.6
Operating Segments | Marketing
Disaggregation of Revenue [Line Items]
Revenue		3,537.1	3,184.7
Operating Segments | Marketing | Total petroleum product sales
Disaggregation of Revenue [Line Items]
Revenue		2,635.8	2,480.2
Operating Segments | Marketing | Petroleum product sales (at retail)
Disaggregation of Revenue [Line Items]
Revenue		2,384.8	2,246.2
Operating Segments | Marketing | Petroleum product sales (at wholesale)
Disaggregation of Revenue [Line Items]
Revenue		251.0	234.0
Operating Segments | Marketing | Merchandise sales
Disaggregation of Revenue [Line Items]
Revenue		833.2	687.5
Operating Segments | Marketing | RINs
Disaggregation of Revenue [Line Items]
Revenue		66.7	15.5
Operating Segments | Marketing | Other revenues
Disaggregation of Revenue [Line Items]
Revenue		1.4	1.5
Corporate and Other Assets
Disaggregation of Revenue [Line Items]
Revenue		0.0	0.1
Corporate and Other Assets | Total petroleum product sales
Disaggregation of Revenue [Line Items]
Revenue		0.0	0.0
Corporate and Other Assets | Petroleum product sales (at retail)
Disaggregation of Revenue [Line Items]
Revenue		0.0	0.0
Corporate and Other Assets | Petroleum product sales (at wholesale)
Disaggregation of Revenue [Line Items]
Revenue		0.0	0.0
Corporate and Other Assets | Merchandise sales
Disaggregation of Revenue [Line Items]
Revenue		0.0	0.0
Corporate and Other Assets | RINs
Disaggregation of Revenue [Line Items]
Revenue		0.0	0.0
Corporate and Other Assets | Other revenues
Disaggregation of Revenue [Line Items]
Revenue		$ 0.0	$ 0.1

[1] Includes excise taxes of $469.6 million for the three months ended March 31, 2021, $473.5 million for the three months ended March 31, 2020, $469.6 million for the three months ended March 31, 2021 and $473.5 million the three months ended March 31, 2020.

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Revenues (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Dec. 31, 2020
Disaggregation of Revenue [Line Items]
Trade accounts receivable	$ 182.1	$ 168.8
Trade Accounts Receivable
Disaggregation of Revenue [Line Items]
Trade accounts receivable	$ 111.1	$ 88.3
Bulk pipelines sales
Disaggregation of Revenue [Line Items]
Collection period	7 days
Petroleum product sales, rack sales | Marketing
Disaggregation of Revenue [Line Items]
Collection period	10 days
RINs | Marketing
Disaggregation of Revenue [Line Items]
Collection period	5 days
Minimum | Petroleum product sales (at retail) | Marketing
Disaggregation of Revenue [Line Items]
Collection period	2 days
Maximum | Petroleum product sales (at retail) | Marketing
Disaggregation of Revenue [Line Items]
Collection period	7 days

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Inventories (Summary Of Inventory) (Details) - USD ($) $ in Millions	Mar. 31, 2021	Dec. 31, 2020
Inventory Disclosure [Abstract]
Finished products - First-In, First-Out ("FIFO") basis	$ 300.0	$ 223.0
Less: Last-In, First-Out ("LIFO") reserve - finished products	(192.2)	(101.3)
Finished products - LIFO basis	107.8	121.7
Store merchandise for resale	169.0	152.0
Materials and supplies	6.2	5.4
Total inventories	$ 283.0	$ 279.1

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Inventories - Narrative (Details) - USD ($) $ in Millions	Mar. 31, 2021	Dec. 31, 2020
Inventory Disclosure [Abstract]
Less: Last-In, First-Out ("LIFO") reserve - finished products	$ (192.2)	$ (101.3)

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Business Acquisition - Narrative (Details) $ in Millions	3 Months Ended
	Mar. 31, 2021 USD ($) station	Mar. 31, 2020 USD ($)	Jan. 29, 2021 stores
Business Acquisition [Line Items]
Number of stations | station	1,660
Acquisition related costs	$ 8.8	$ 0.0
QuickChek
Business Acquisition [Line Items]
Percentage of equity interest acquired			100.00%
Number of stations | stores			156
Acquisition related costs	$ 8.8

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Business Acquisition - Allocation of the Purchase Price for the Transaction (Details) - USD ($) $ in Millions		3 Months Ended
	Jan. 29, 2021	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Business Acquisition [Line Items]
Fair value of consideration transferred, net of cash acquired	$ 642.1	$ 642.1	$ 0.0
Liabilities assumed:
Goodwill		$ 336.4		$ 0.0
QuickChek
Business Acquisition [Line Items]
Cash paid to shareholders	642.9
Less cash and cash equivalents acquired	0.8
Assets acquired:
Accounts receivable	8.0
Inventories	24.3
Prepaid expenses and other current assets	5.6
Property and equipment	429.1
Right of use assets	238.1
Other assets	5.4
Identified intangible assets	106.8
Liabilities assumed:
Accounts payable and accrued expenses	(68.5)
Deferred income tax liabilities	(59.5)
Asset retirement obligation	(1.2)
Long term debt, including finance lease obligations	(136.5)
Deferred credits and other liabilities	(7.4)
Operating lease liabilities	(238.5)
Net assets acquired	305.7
Goodwill	336.4
Fair value of consideration transferred, net of cash and cash equivalents acquired	$ 642.1

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Goodwill and Intangible Assets - Schedule of Changes in Goodwill (Details)	3 Months Ended
	Mar. 31, 2021 USD ($)
Goodwill and Intangible Assets Disclosure [Abstract]
Tax deductible goodwill	$ 0
Goodwill [Roll Forward]
Goodwill, beginning balance	0
QuickChek acquisition	336,400,000
Goodwill, ending balance	$ 336,400,000

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Goodwill and Intangible Assets - Schedule of Intangible Assets (Details) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2021	Dec. 31, 2020
Intangible assets subject to amortization:
Carrying Value		$ 25.4	$ 34.6
Intangible assets not subject to amortization:
Total intangible assets	[1]	141.3	34.6
Tradename
Intangible assets not subject to amortization:
Carrying Value		115.4
Liquor licenses
Intangible assets not subject to amortization:
Carrying Value		0.5
Pipeline space
Intangible assets subject to amortization:
Carrying Value		$ 34.4	34.6
Remaining Useful Life (in years)		34 years 4 months 24 days
Intangible lease liability
Intangible assets subject to amortization:
Carrying Value		$ 9.0	$ 0.0
Remaining Useful Life (in years)		15 years 3 months 18 days

[1] *Prior year amounts have been revised to conform with current period presentation

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Goodwill and Intangible Assets - Intangible Assets Subject to Amortization (Details) - USD ($) $ in Millions	Mar. 31, 2021	Dec. 31, 2020
Acquired Finite-Lived Intangible Assets [Line Items]
Cost	$ 30.5	$ 39.6
Carrying Value	25.4	34.6
Pipeline space
Acquired Finite-Lived Intangible Assets [Line Items]
Cost	39.6	39.6
Carrying Value	34.4	34.6
Intangible lease liability
Acquired Finite-Lived Intangible Assets [Line Items]
Cost	9.1	0.0
Carrying Value	$ 9.0	$ 0.0

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Long-Term Debt (Summary Of Long-Term Debt) (Details) - USD ($) $ in Millions	Mar. 31, 2021	Dec. 31, 2020	Sep. 13, 2019	Apr. 25, 2017
Debt Instrument [Line Items]
Capitalized lease obligations	$ 137.4
Less unamortized debt issuance costs	(12.7)	$ (4.4)
Total long-term debt	1,810.0	1,002.4
Less current maturities	13.2	51.2
Total long-term debt, net of current	1,796.8	951.2
Autos and Equipment
Debt Instrument [Line Items]
Capitalized lease obligations	3.2	2.1
Buildings
Debt Instrument [Line Items]
Capitalized lease obligations	$ 134.2	0.0
Senior Notes | 3.75% Senior Notes Due 2031
Debt Instrument [Line Items]
Stated interest rate	3.75%		3.75%
Unamortized discount	$ 6.1
Long-term debt, gross	$ 493.9	0.0
Senior Notes | 5.625% senior notes due 2027
Debt Instrument [Line Items]
Stated interest rate	5.625%			5.625%
Unamortized discount	$ 2.3	2.4
Long-term debt, gross	297.7	297.6
Senior Notes | 4.75% senior notes due 2029
Debt Instrument [Line Items]
Stated interest rate			4.75%
Senior Notes | 4.75% senior notes due 2029 | Line of Credit
Debt Instrument [Line Items]
Long-term debt, gross	$ 494.7	494.6
Secured Debt | 4.75% senior notes due 2029 | Line of Credit
Debt Instrument [Line Items]
Stated interest rate	4.75%
Unamortized discount	$ 5.3	$ 5.4
Secured Debt | Term loan due 2023 | Term facility
Debt Instrument [Line Items]
Effective interest rate		2.67%
Long-term debt, gross	$ 0.0	$ 212.5
Secured Debt | Term loan due 2028 | Term facility
Debt Instrument [Line Items]
Stated interest rate	2.27%
Unamortized discount	$ 1.0
Long-term debt, gross	$ 399.0	$ 0.0

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Long-Term Debt (Narrative) (Details) - USD ($)		3 Months Ended
	Jul. 01, 2021	Mar. 31, 2021	Dec. 31, 2020	Sep. 13, 2019	Aug. 31, 2019	Apr. 25, 2017
Debt Instrument [Line Items]
Leverage ratio		2.41
Minimum
Debt Instrument [Line Items]
Leverage ratio		3.0
Maximum
Debt Instrument [Line Items]
Leverage ratio		5.0
Temporary increase to leverage ratio		5.5
Secured net leverage ratio financial maintenance covenants		3.75
Temporary increase to secured net leverage ratio financial maintenance covenants		4.25
Restricted cash payment threshold as amount of availability		$ 100,000,000
Restricted payment threshold as amount of availability		$ 105,000,000
Restricted payment threshold as amount of availability (percent)		4.50%
Federal Funds Rate
Debt Instrument [Line Items]
Spread over variable rate (percent)		0.50%
LIBOR
Debt Instrument [Line Items]
Spread over variable rate (percent)		1.00%
Secured Debt
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity					$ 350,000,000
Secured Debt | LIBOR | Minimum
Debt Instrument [Line Items]
Spread over variable rate (percent)		1.75%
Secured Debt | LIBOR | Maximum
Debt Instrument [Line Items]
Spread over variable rate (percent)		2.25%
Secured Debt | Alternate Base Rate | Minimum
Debt Instrument [Line Items]
Spread over variable rate (percent)		0.75%
Secured Debt | Alternate Base Rate | Maximum
Debt Instrument [Line Items]
Spread over variable rate (percent)		1.25%
Term facility
Debt Instrument [Line Items]
Asset-based loan facility, portion included in current maturities			$ 400,000,000
Term facility | LIBOR
Debt Instrument [Line Items]
Spread over variable rate (percent)		1.75%
Term facility | LIBOR | Forecast [Member]
Debt Instrument [Line Items]
Spread over variable rate (percent)	1.00%
Term facility | Alternate Base Rate
Debt Instrument [Line Items]
Spread over variable rate (percent)		1.75%
5.625% Senior Notes Due 2027 | Senior Notes
Debt Instrument [Line Items]
Senior notes, principal amount						$ 300,000,000
Interest rate		5.625%				5.625%
4.75% senior notes due 2029 | Senior Notes
Debt Instrument [Line Items]
Senior notes, principal amount				$ 500,000,000
Interest rate				4.75%
Senior Notes Due 2023 | Senior Notes
Debt Instrument [Line Items]
Senior notes, principal amount				$ 500,000,000
3.75% Senior Notes Due 2031 | Senior Notes
Debt Instrument [Line Items]
Senior notes, principal amount				$ 500,000,000
Interest rate		3.75%		3.75%

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Asset Retirement Obligations (ARO) (Details) - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Asset Retirement Obligation Roll Forward
Balance at beginning of period	$ 35.1	$ 32.8	$ 32.8
Addition for acquisition	1.2		0.0
Accretion expense	0.6	$ 0.6	2.3
Settlements of liabilities	(0.2)		(0.8)
Liabilities incurred	0.0		0.8
Balance at end of period	$ 36.7		$ 35.1

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Income Taxes (Summary of Effective Income Tax Rates) (Details)	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Income Tax Disclosure [Abstract]
Effective tax rate	24.60%	23.90%

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Income Taxes (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Income Tax Disclosure [Abstract]
Total excess tax benefits	$ (0.9)	$ 0.6
Other discrete tax items	$ 1.0	$ 0.4

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Incentive Plans (Narrative) (Details)		1 Months Ended	3 Months Ended
	Aug. 30, 2013 USD ($) shares	Feb. 29, 2020 $ / shares peerCompanies	Mar. 31, 2021 USD ($) $ / shares	Mar. 31, 2020 USD ($)	Aug. 08, 2013 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation | $			$ 3,600,000	$ 2,800,000
Performance Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock units issued, weighted average grant date fair value (in dollars per share)			$ 145.91
2013 Long-Term Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized for incentive plan (no more than) (in shares) | shares	5,500,000
Number of shares per employee (no more than) (in shares) | shares	1,000,000
Award expiration period		7 years
2013 Long-Term Incentive Plan | Performance Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum amount payable | $	$ 5,000,000.0
2013 Long-Term Incentive Plan | Nonqualified Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted, fair value (in dollars per share)		$ 32.00
2013 Long-Term Incentive Plan | Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period (in years)			3 years
2013 Long-Term Incentive Plan | Return on Average Capital Employed Performance Units
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)		$ 126.00
2013 Long-Term Incentive Plan | Total Shareholder Return Performance Units
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 | peerCompanies		18
Restricted stock units issued, weighted average grant date fair value (in dollars per share)		$ 168.42
2013 Stock Plan For Non-Employee Directors
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized for incentive plan (no more than) (in shares) | shares					500,000
2013 Stock Plan For Non-Employee Directors | Restricted Stock Units
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)			$ 125.04

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Incentive Plans (Valuation Assumptions) (Details) - 2013 Long-Term Incentive Plan	1 Months Ended
	Feb. 29, 2020 $ / shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Dividend yield	0.79%
Expected volatility	32.30%
Risk-free interest rate	0.40%
Expected life (years)	4 years 7 months 6 days
Stock price at valuation date (in dollars per share)	$ 126.00

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Incentive Plans (Summary of Changes in Stock Options Outstanding) (Details) $ / shares in Units, $ in Millions	3 Months Ended
	Mar. 31, 2021 USD ($) $ / shares shares
Number of Shares (in shares)
Beginning balance (in shares) | shares	322,700
Granted (in shares) | shares	81,300
Ending balance (in shares) | shares	404,000
Exercisable (in shares) | shares	194,200
Weighted Average Exercise Price (in dollars per share)
Beginning balance (in dollars per share) | $ / shares	$ 79.60
Granted (in dollars per share) | $ / shares	126.00
Ending balance (in dollars per share) | $ / shares	88.94
Exercisable (in dollars per share) | $ / shares	$ 69.92
Weighted Average Remaining Contractual Term (Years)
Outstanding (in years)	4 years 10 months 24 days
Exercisable (in years)	3 years 7 months 6 days
Aggregate Intrinsic Value
Outstanding | $	$ 22.5
Exercisable | $	$ 14.5

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Incentive Plans (Summary of Restricted Stock Units Activity) (Details) $ / shares in Units, $ in Millions	3 Months Ended
	Mar. 31, 2021 USD ($) $ / shares shares
Time-Based Restricted Stock Units
Number of Shares (in shares)
Beginning balance (in shares) | shares	182,795
Granted (in shares) | shares	55,074
Vested and issued (in shares) | shares	(45,917)
Forfeited (in shares) | shares	(1,013)
Ending balance (in shares) | shares	190,939
Weighted Average Grant Date Fair Value (in dollars per share)
Beginning balance (in dollars per share) | $ / shares	$ 77.38
Granted (in dollars per share) | $ / shares	132.63
Vested and issued (in dollars per share) | $ / shares	71.95
Forfeited (in dollars per share) | $ / shares	80.06
Ending balance (in dollars per share) | $ / shares	$ 94.61
Total Fair Value
Vested and issued | $	$ 6.6
Outstanding | $	$ 27.6
Performance Units
Number of Shares (in shares)
Beginning balance (in shares) | shares	129,340
Granted (in shares) | shares	64,600
Vested and issued (in shares) | shares	(58,302)
Ending balance (in shares) | shares	135,638
Weighted Average Grant Date Fair Value (in dollars per share)
Beginning balance (in dollars per share) | $ / shares	$ 97.01
Granted (in dollars per share) | $ / shares	145.91
Vested and issued (in dollars per share) | $ / shares	76.78
Ending balance (in dollars per share) | $ / shares	$ 117.42
Total Fair Value
Vested and issued | $	$ 7.3
Outstanding | $	$ 19.6
Restricted Stock Units | 2013 Stock Plan For Non-Employee Directors
Number of Shares (in shares)
Beginning balance (in shares) | shares	31,004
Granted (in shares) | shares	8,692
Vested and issued (in shares) | shares	(9,589)
Ending balance (in shares) | shares	30,107
Weighted Average Grant Date Fair Value (in dollars per share)
Beginning balance (in dollars per share) | $ / shares	$ 83.31
Granted (in dollars per share) | $ / shares	125.04
Vested and issued (in dollars per share) | $ / shares	69.37
Ending balance (in dollars per share) | $ / shares	$ 99.79
Total Fair Value
Vested and issued | $	$ 1.2
Outstanding | $	$ 4.4

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Financial Instruments and Risk Management (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020	Sep. 27, 2019
Derivative [Line Items]
Realized loss on interest rate swap	$ 0.1	$ (0.1)
Amortization of unrealized (gain) loss to interest expense	(0.2)	0.0
Unrealized gain (loss)	0.1	$ (3.6)
Interest Rate Swap
Derivative [Line Items]
Derivative amount				$ 150.0
Unrealized gain on interest rate swap	(0.4)
Realized loss on interest rate swap	(0.2)
Amortization of unrealized (gain) loss to interest expense	0.2
Unrealized gain (loss)	2.3
Prepaid expenses and other current assets
Derivative [Line Items]
Cash deposits related to commodity derivative contracts	$ 0.9		$ 0.6

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Earnings Per Share (Narrative) (Details) - USD ($)	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Oct. 28, 2020
Equity, Class of Treasury Stock [Line Items]
Stock repurchase program, authorized amount			$ 500,000,000
January 2016 Share Repurchase Program
Equity, Class of Treasury Stock [Line Items]
Stock repurchase program, shares acquired (in shares)	397,882	1,362,400
Stock repurchase program, average price per share (in dollars per share)	$ 125.67	$ 103.17

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Earnings Per Share (Reconciliation of Basic and Diluted Earnings Per Share Computations) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Net income per share - basic
Net income attributable to common stockholders	$ 55.3	$ 89.3
Weighted average common shares outstanding (in shares)	27,131	30,235
Earnings per common share (in dollars per share)	$ 2.04	$ 2.95
Net income per share - diluted
Net income attributable to common stockholders	$ 55.3	$ 89.3
Weighted average common shares outstanding (in shares)	27,131	30,235
Common equivalent shares:
Dilutive share-based awards (in shares)	357	306
Weighted average common shares outstanding - assuming dilution (in shares)	27,488	30,541
Earnings per common share assuming dilution (in dollars per share)	$ 2.01	$ 2.92

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Earnings Per Share (Potentially Dilutive Shares Excluded from Earnings Per Share) (Details) - shares	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities (in shares)	101,791	146,487
Stock options
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities (in shares)	81,300	75,600
Restricted share units
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities (in shares)	20,491	70,887

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Other Financial Information (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Cash income taxes paid (collected), net of refunds	$ 0.0	$ (0.5)
Interest paid, net of amounts capitalized	$ 18.4	$ 14.7

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Other Financial Information (Summary of Changes in Operating Working Capital) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Accounts receivable	$ (5.3)	$ 37.3
Inventories	20.5	(16.7)
Prepaid expenses and other current assets	(3.3)	13.7
Accounts payable and accrued liabilities	81.6	(66.1)
Income taxes payable	14.5	6.1
Net (increase) decrease in noncash operating working capital	$ 108.0	$ (25.7)

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Assets and Liabilities Measured at Fair Value (Details) - USD ($) $ in Millions	Mar. 31, 2021	Dec. 31, 2020
Carrying Amount
Financial liabilities
Current and long-term debt	$ (1,672.6)	$ (1,002.4)
Fair Value
Financial liabilities
Current and long-term debt	$ (1,710.6)	$ (1,029.9)

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Contingencies (Details) $ in Millions	3 Months Ended
	Mar. 31, 2021 USD ($) superfundSites
Loss Contingencies [Line Items]
Number of Superfund sites for which company may be liable | superfundSites	1
Outstanding letters of credit	$ 13.8
Workers Compensation Insurance Claims
Loss Contingencies [Line Items]
Insurance deductible amount	1.0
General Liability Insurance Claims
Loss Contingencies [Line Items]
Insurance deductible amount	3.0
Auto Liability Insurance Claims
Loss Contingencies [Line Items]
Insurance deductible amount	0.3
Insurance Claims
Loss Contingencies [Line Items]
Loss contingency accrual	$ 37.0

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Lease Accounting (Narrative) (Details)	3 Months Ended
	Mar. 31, 2021 contract superfundSites
Lessee, Lease, Description [Line Items]
Number of leases with restrictive covenants | superfundSites	102
Minimum
Lessee, Lease, Description [Line Items]
Remaining lease term	1 year
Lease renewal term	5 years
Maximum
Lessee, Lease, Description [Line Items]
Remaining lease term	35 years
Lease renewal term	20 years
Land
Lessee, Lease, Description [Line Items]
Number of leases	392
Terminal
Lessee, Lease, Description [Line Items]
Number of leases	1
Office Building
Lessee, Lease, Description [Line Items]
Number of leases	1
Hangar
Lessee, Lease, Description [Line Items]
Number of leases	1

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Lease Accounting (Leases Reflected on Balance Sheet) (Details) - USD ($) $ in Millions		Mar. 31, 2021	Dec. 31, 2020
Assets
Operating (Right-of-use)	[1]	$ 395.6	$ 147.7
Finance		137.3	2.6
Total leased assets		$ 532.9	$ 150.3
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]		Property, plant and equipment, at cost less accumulated depreciation and amortization of $1,233.6 at 2021 and $1,191.4 at 2020	Property, plant and equipment, at cost less accumulated depreciation and amortization of $1,233.6 at 2021 and $1,191.4 at 2020
Current
Operating		$ 17.0	$ 7.8
Finance		10.2	1.2
Noncurrent
Operating	[1]	$ 382.3	$ 142.5
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]		Trade accounts payable and accrued liabilities
Finance Lease, Liability, Current, Statement of Financial Position [Extensible List]		Current maturities of long-term debt	Current maturities of long-term debt
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]		Long-term debt, including capitalized lease obligations
Finance		$ 127.2	$ 0.9
Total lease liabilities		536.7	152.4
Accumulated depreciation		$ 5.0	$ 2.8

[1] *Prior year amounts have been revised to conform with current period presentation

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Lease Accounting (Lease Cost) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Leases [Abstract]
Operating lease cost	$ 8.9	$ 3.9
Finance lease cost
Amortization of leased assets	2.6	0.3
Interest on lease liabilities	1.4	0.0
Net lease costs	$ 12.9	$ 4.2

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Lease Accounting (Cash Flow Information) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Cash paid for amounts included in the measurement of liabilities
Operating cash flows from operating leases	$ 8.2	$ 3.7
Operating cash flows from finance leases	1.4	0.0
Financing cash flows from finance leases	$ 1.8	$ 0.4

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Lease Accounting (Maturity of Lease Liability) (Details) $ in Millions	Mar. 31, 2021 USD ($)
Operating leases
2021	$ 30.9
2022	41.0
2023	40.0
2024	39.7
2025	39.3
After 2025	468.0
Total lease payments	658.9
less: interest	259.6
Present value of lease liabilities	399.3
Finance leases
2021	14.1
2022	18.0
2023	16.7
2024	15.2
2025	14.5
After 2025	148.9
Total lease payments	227.4
less: interest	90.0
Present value of lease liabilities	$ 137.4

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Lease Accounting (Lease Term and Discount Rate) (Details)	Mar. 31, 2021
Weighted average remaining lease term (years)
Finance leases	14 years 10 months 24 days
Operating leases	18 years
Weighted average discount rate
Finance leases (percent)	5.20%
Operating leases (percent)	6.00%

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Business Segment (Narrative) (Details)	3 Months Ended
	Mar. 31, 2021 segment
Segment Reporting [Abstract]
Number of operating segments	1

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Business Segment (Summary of Information by Business Segment) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Segment Reporting Information [Line Items]
Total assets	$ 3,980.6		$ 2,685.7
External Revenues	3,537.1	$ 3,184.8
Income (Loss)	55.3	89.3
Operating Segments | Marketing
Segment Reporting Information [Line Items]
Total assets	3,567.3
External Revenues	3,537.1	3,184.7
Income (Loss)	80.4	100.9
Corporate and Other Assets
Segment Reporting Information [Line Items]
Total assets	413.3
External Revenues	0.0	0.1
Income (Loss)	$ (25.1)	$ (11.6)