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Pay vs Performance Disclosure
Unit_pure in Millions
 12 Months Ended
Dec. 31, 2022
USD ($)
Dec. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
Pay vs Performance Disclosure [Table]      
Pay vs Performance [Table Text Block]
Pay Versus Performance
The following table sets forth the compensation for our Principal Executive Officer (“PEO” or “CEO”) and the average compensation for our four other NEOs
(non-PEO
NEOs), both as reported in the Summary Compensation Table (“SCT”) and with certain adjustments to reflect the “compensation actually paid” (“CAP”) to such individuals, as defined under SEC rules, for of the years ended December 31, 2022, 2021 and 2020. The table also provides information on our cumulative total shareholder return (“TSR”), the
cumulative TSR of our peer group, Net Income and our Company Selected Measure, Adjusted EBITDA, over these years in accordance with SEC rules.
Murphy USA’s compensation program is focused on aligning pay with performance. Adjusted EBITDA, which encompasses all the moving parts of our business, serves as the largest component of the AIP and is a driving factor in ROACE. Adjusted EBITDA also comprises half of our PSU program— the largest element of NEO compensation. For detail on our executive compensation programs, see the Compensation
Discussion
and Analysis section beginning on page 2
3
.
CAP, like compensation disclosed in the Summary Compensation Table, does not necessarily reflect the target value of compensation as approved by our Executive Compensation Committee or value of compensation realized by our executives based on Company and individual performance. Our Executive Compensation Committee has not used CAP as a basis for making compensation decisions. In addition, a significant portion of the CAP amounts shown relate to changes in values of unvested awards since they were awarded due to changes in our stock price. These unvested awards remain subject to significant risk from forfeiture conditions and possible future changes in value based on changes in our stock price. As described in detail in the Compensation Discussion & Analysis, our PSUs are subject to multi-year performance conditions tied to two performance metrics and all of our equity awards are subject to time vesting conditions. The ultimate values actually realized by our NEOs from unvested equity awards, if any, will not be determined until the awards fully vest. Please refer to the Compensation Discussion & Analysis for a discussion of our executive compensation program objectives and the ways in which we align executive compensation with performance.
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
VALUE OF INITIAL FIXED $100
INVESTMENT BASED ON:
 
 
 
 
 
 
 
YEAR
 
SUMMARY
COMPENSATION
TABLE TOTAL
FOR PEO
(1)
($)
 
 
COMPENSATION
ACTUALLY PAID TO
PEO
(2)
($)
 
 
AVERAGE SUMMARY
COMPENSATION TABLE
TOTAL FOR
NON-PEO

NEOS
(3)
($)
 
 
AVERAGE
COMPENSATION
ACTUALLY PAID TO
NON-PEO
NEOS
(4)

($)
 
 
TOTAL
SHAREHOLDER
RETURN
(5)
($)
 
 
PEER GROUP
TOTAL
SHAREHOLDER
RETURN
(5)
($)
 
 
NET INCOME
(IN
MILLIONS)
(6)

($)
 
 
ADJUSTED
EBITDA (IN
MILLIONS)
(7)

($)
 
2022
     10,357,375       30,079,550       2,014,941       4,755,789       242.30       138.26       672.9       1,190.9  
                 
2021
     8,638,157       26,515,786       1,929,664       3,839,836       171.82       202.49       396.9       828.0  
                 
2020
     8,240,299       15,114,368       1,837,547       2,664,564       112.06       141.63       386.1       722.8  
(1)
Compensation for our PEO, R. Andrew Clyde, reflects the amounts reported in the “Summary Compensation Table” for the respective years.
(2)
The dollar amounts shown in this column reflect “compensation actually paid” for the PEO calculated in accordance with SEC rules. As required, the dollar amounts include (among other items) unpaid amounts of equity compensation that may be realizable in future periods, and as such, the dollar amounts shown do not fully represent the actual final amount of compensation earned or actually paid to the individual during the applicable years. The adjustments made to Mr. Clyde’s total compensation for each year to determine CAP are shown in tables below. For information regarding the decisions made by our Executive Compensation Committee in regards to the Mr. Clyde’s compensation for fiscal year 2022, see the Compensation Discussion and Analysis section beginning on page 21.
 
PEO – Reconciliation of SCT Total to CAP Total (a)
 
YEAR
  
SCT TOTAL ($)
 
  
MINUS: GRANT DATE
FAIR
VALUE OF AWARDS
GRANTED DURING
YEAR
(b)
($)
 
  
PLUS: FAIR VALUE
OF
EQUITY CALCULATED
USING SEC
METHODOLOGY
(c)
($)
 
  
MINUS: CHANGE IN
ACTUARIAL VALUE
OF
PENSION BENEFITS
DURING YEAR ($)
 
    
CAP TOTAL ($)
 
2022
      10,357,375        5,869,983        25,592,158        0          30,079,550  
           
2021
      8,638,157        5,060,085        22,937,714        0          26,515,786  
           
2020
      8,240,299        4,366,338        11,240,407        0          15,114,368  
(a)
As shown in these tables, the CAP totals represent the SCT totals for the applicable year, but adjusted as required by SEC rules to (1) include the fair value of current and prior year equity awards that are outstanding, vested or forfeited during the applicable year, instead of the grant date value of awards granted during the applicable year, and (2) exclude any positive aggregate change in the actuarial present value of all defined benefit pension plan benefits for the applicable year. We note the SEC rules also require CAP to include any actuarially determined service cost or prior service cost under pension plans for services rendered by the executive during the applicable year. However, our PEO has never participated in any pension plans while with the Company.
(b)
Represents the total of the amounts reported in Stock Awards and Option Awards columns of the SCT for the applicable year.
(c)
The fair value of equity component of the CAP calculation was determined in accordance with SEC methodology for this disclosure. Unlike the SCT on page 35, which requires us to show the grant date value of equity awards granted during the applicable year, the CAP table requires us to calculate equity fair value as follows:
 
•
  
for awards granted during the applicable year (and which are still outstanding and unvested), the
year-end
fair value;
plus
 
•
  
for awards granted during prior years that were still outstanding and unvested as of the applicable
year-end,
the change in fair value as of the applicable
year-end
compared against the prior
year-end;
plus
 
•
  
for awards granted in prior years that vested during the applicable year, the change in fair value as of the vesting date compared against the prior
year-end;
plus
 
•
  
for any awards granted in the applicable year that vested during the applicable year, the fair value as of the vesting date;
plus
 
•
  
the dollar value of any dividends or other earnings paid on stock or option awards in the covered fiscal year prior to the vesting date that are not otherwise included in the total compensation for the covered fiscal year;
minus
 
•
  
for awards granted in prior years that were forfeited during the applicable year, the fair value as of the prior
year-end.
PEO – CAP Fair Value of Equity Calculation
 
YEAR
 
YE FAIR
VALUE OF
CURRENT
YEAR
AWARDS
UNVESTED
AS OF YE ($)
 
 
PLUS: CHANGE
IN FAIR VALUE
AS OF YE FOR
PRIOR YEAR
AWARDS
UNVESTED AS
OF YE ($)
 
 
PLUS: CHANGE
IN FAIR VALUE
AS OF
VESTING DATE
FOR PRIOR
YEAR AWARDS
THAT VESTED
DURING THE
YEAR ($)
 
 
PLUS: FAIR VALUE
AS OF VESTING
DATE FOR
CURRENT YEAR
AWARDS
THAT VESTED
DURING THE YEAR
($)
 
 
PLUS: DIVIDEND
EQUIVALENTS PAID
DURING THE YEAR
NOT OTHERWISE
INCLUDED IN
TOTAL
COMPENSATION ($)
 
 
MINUS: FAIR VALUE
AS OF PRIOR YE
FOR PRIOR YEAR
AWARDS
FORFEITED
DURING THE YEAR
($)
 
 
VALUE
OF EQUITY
FOR CAP
PURPOSES
($)
 
2022
     13,688,240       13,509,920       (1,701,122 )      0       95,120       0       25,592,158  
               
2021
     11,894,697       11,368,046       (333,974 )      0       8,945       0       22,937,714  
               
2020
     6,923,704       3,916,631       400,072       0       0       0       11,240,407  
(3)
Reflects the average total compensation for
non-PEO
NEOs as calculated in the SCT for each of the years shown. Our
non-PEO
NEOs included in the table above includes the following named executive officers: (i) in 2022, Mindy K. West, Renee M. Bacon, Robert J. Chumley, and Blake H. Segal (ii) in 2021, Mindy K. West, Terry P. Hatten, Robert J. Chumley, Renee M. Bacon and John A. Moore and (iii) in 2020, Mindy K. West, Robert J. Chumley, John A. Moore and Renee M. Bacon.
(4)
The dollar amounts shown in this column reflect average “compensation actually paid” for the
non-PEO
NEOs calculated in accordance with SEC rules. As required, the dollar amounts include (among other items) unpaid amounts of equity compensation that may be realizable in future periods, and as such, the dollar amounts shown do not fully represent the actual final amount of compensation earned or actually paid to the individual during the applicable years. The adjustments made to the
non-PEO
NEOs total compensation for each year to determine CAP are shown in tables below. For information regarding the decisions made by our Executive Compensation Committee in regards to the
non-PEO
NEOs compensation for fiscal year 2022, see the Compensation Discussion and Analysis section beginning on page 23.
Non-PEO
NEOs (Average) – Reconciliation of SCT Total to CAP Total
(a)
 
YEAR
  
SCT TOTAL ($)
 
  
MINUS: GRANT DATE
FAIR
VALUE OF AWARDS
GRANTED DURING
YEAR
(b)
($)
 
  
PLUS: FAIR VALUE OF
EQUITY CALCULATED USING
SEC METHODOLOGY
(c)
($)
 
  
MINUS: CHANGE IN
ACTUARIAL VALUE OF
PENSION BENEFITS DURING
YEAR ($)
 
    
CAP TOTAL ($)
 
2022
      2,014,941        746,020        3,486,868        0          4,755,789  
           
2021
      1,929,664        684,245        2,595,545        1,128          3,839,836  
           
2020
      1,837,547        663,051        1,562,894        72,826          2,664,564  
(a)
The CAP total figures were calculated using the same methodology described above in footnote (a) to the PEO “Reconciliation of SCT Total to CAP Total” tables shown above. The aggregate change in actuarial present value of accumulated benefit under pension plans reflects the amount reported for the applicable year in the SCT; the amounts shown reflect the annual change in accumulated benefits for the applicable
non-PEO
NEOs’ accounts in the Murphy Oil Supplemental Executive Retirement Plan (“Murphy Oil SERP”), liability for which was assumed by Murphy USA in connection with the
Spin-Off.
However, given that the Murphy Oil SERP has been frozen, there is no applicable service cost or prior service cost to report under the plan.
(b)
Represents the average total of the amounts reported in the Stock Awards and Option Awards columns of the SCT for these NEOs for the applicable year.
(c)
The fair value of equity component of the CAP calculation was determined using the same methodology described above in footnote (c) to the PEO “Reconciliation of SCT Total to CAP Total” table shown above, using averages for the included
non-PEO
NEOs. The specific calculations for the included
non-PEO
NEOs for the relevant years are shown in the table below.
 
Non-PEO
NEOs (Average) – CAP Fair Value of Equity Calculation
 
YEAR
 
YE FAIR VALUE
OF
CURRENT YEAR
AWARDS
UNVESTED AS
OF YE ($)
 
 
PLUS: CHANGE
IN FAIR VALUE
AS OF YE FOR
PRIOR YEAR
AWARDS
UNVESTED AS
OF YE ($)
 
 
PLUS: CHANGE
IN FAIR VALUE
AS OF
VESTING DATE
FOR PRIOR
YEAR AWARDS
THAT VESTED
DURING THE
YEAR ($)
 
 
PLUS: FAIR VALUE AS OF
VESTING DATE FOR
CURRENT YEAR
AWARDS THAT VESTED
DURING THE YEAR ($)
 
 
PLUS: DIVIDEND
EQUIVALENTS PAID
DURING THE YEAR
NOT OTHERWISE
INCLUDED IN TOTAL
COMPENSATION ($)
 
 
MINUS: FAIR
VALUE AS OF
PRIOR
YE FOR PRIOR
YEAR
AWARDS
FORFEITED
DURING THE
YEAR ($)
 
 
VALUE OF
EQUITY
FOR CAP
PURPOSES
($)
 
2022
     1,740,793       1,951,451       (217,606 )      0       12,230       0       3,486,868  
               
2021
     1,389,396       1,583,283       (48,393 )      0       1,346       330,087       2,595,545  
               
2020
     1,051,474       665,982       (154,562 )      0       0       0       1,562,894  
(5)
Pursuant to SEC rules, the TSR figures assume an initial investment of $100 on December 31, 2019, the last trading day before the earliest fiscal year reported in this table. As permitted by SEC rules, the peer group referenced for purpose of the TSR comparison is the group of companies included in the S&P 500 Retail Select Industry Index calculated in accordance with Item 201(e) of Regulation
S-K.
The company made the decision to replace the S&P 400 Midcap Index with the S&P Retail Select Industry Index in the 2022 Form
10-K,
filed on February 15, 2023, as it more closely aligns to our business. Had we used S&P 400 Midcap Index for 2022 (cumulative
3-year
period) the TSR would have been $122.97 as compared to $138.26 using the Retail Select Industry Index as reflected in the table above. The separate peer group used by the Compensation Committee for purposes of determining compensation paid to our executive officers is described on page 2
7
.
(6)
Reflects “Net Income” in the Company’s Consolidated Income Statements included in the Company’s Annual Reports on Form
10-K
for each of the years ended December 31, 2022, 2021 and 2020.
(7)
Adjusted EBITDA is computed by adding 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/loss) from discontinued operations, net settlement proceeds, (gain) loss on sale of assets, transaction and integration costs related to acquisitions and other
non-operating
(income) expense).
   
Company Selected Measure Name Adjusted EBITDA    
Named Executive Officers, Footnote [Text Block] Our
non-PEO
NEOs included in the table above includes the following named executive officers: (i) in 2022, Mindy K. West, Renee M. Bacon, Robert J. Chumley, and Blake H. Segal (ii) in 2021, Mindy K. West, Terry P. Hatten, Robert J. Chumley, Renee M. Bacon and John A. Moore and (iii) in 2020, Mindy K. West, Robert J. Chumley, John A. Moore and Renee M. Bacon. 		   
Peer Group Issuers, Footnote [Text Block] The company made the decision to replace the S&P 400 Midcap Index with the S&P Retail Select Industry Index in the 2022 Form
10-K,
filed on February 15, 2023, as it more closely aligns to our business. Had we used S&P 400 Midcap Index for 2022 (cumulative
3-year
period) the TSR would have been $122.97 as compared to $138.26 using the Retail Select Industry Index as reflected in the table above 		   
PEO Total Compensation Amount $ 10,357,375 $ 8,638,157 $ 8,240,299
PEO Actually Paid Compensation Amount $ 30,079,550 26,515,786 15,114,368
Adjustment To PEO Compensation, Footnote [Text Block]
(2)
The dollar amounts shown in this column reflect “compensation actually paid” for the PEO calculated in accordance with SEC rules. As required, the dollar amounts include (among other items) unpaid amounts of equity compensation that may be realizable in future periods, and as such, the dollar amounts shown do not fully represent the actual final amount of compensation earned or actually paid to the individual during the applicable years. The adjustments made to Mr. Clyde’s total compensation for each year to determine CAP are shown in tables below. For information regarding the decisions made by our Executive Compensation Committee in regards to the Mr. Clyde’s compensation for fiscal year 2022, see the Compensation Discussion and Analysis section beginning on page 21.
 
 
 
 
 
PAY VERSUS PERFORMANCE
 
PEO – Reconciliation of SCT Total to CAP Total (a)
 
YEAR
  
SCT TOTAL ($)
 
  
MINUS: GRANT DATE
FAIR
VALUE OF AWARDS
GRANTED DURING
YEAR
(b)
($)
 
  
PLUS: FAIR VALUE
OF
EQUITY CALCULATED
USING SEC
METHODOLOGY
(c)
($)
 
  
MINUS: CHANGE IN
ACTUARIAL VALUE
OF
PENSION BENEFITS
DURING YEAR ($)
 
    
CAP TOTAL ($)
 
2022
      10,357,375        5,869,983        25,592,158        0          30,079,550  
           
2021
      8,638,157        5,060,085        22,937,714        0          26,515,786  
           
2020
      8,240,299        4,366,338        11,240,407        0          15,114,368  
(a)
As shown in these tables, the CAP totals represent the SCT totals for the applicable year, but adjusted as required by SEC rules to (1) include the fair value of current and prior year equity awards that are outstanding, vested or forfeited during the applicable year, instead of the grant date value of awards granted during the applicable year, and (2) exclude any positive aggregate change in the actuarial present value of all defined benefit pension plan benefits for the applicable year. We note the SEC rules also require CAP to include any actuarially determined service cost or prior service cost under pension plans for services rendered by the executive during the applicable year. However, our PEO has never participated in any pension plans while with the Company.
(b)
Represents the total of the amounts reported in Stock Awards and Option Awards columns of the SCT for the applicable year.
(c)
The fair value of equity component of the CAP calculation was determined in accordance with SEC methodology for this disclosure. Unlike the SCT on page 35, which requires us to show the grant date value of equity awards granted during the applicable year, the CAP table requires us to calculate equity fair value as follows:
 
•
  
for awards granted during the applicable year (and which are still outstanding and unvested), the
year-end
fair value;
plus
 
•
  
for awards granted during prior years that were still outstanding and unvested as of the applicable
year-end,
the change in fair value as of the applicable
year-end
compared against the prior
year-end;
plus
 
•
  
for awards granted in prior years that vested during the applicable year, the change in fair value as of the vesting date compared against the prior
year-end;
plus
 
•
  
for any awards granted in the applicable year that vested during the applicable year, the fair value as of the vesting date;
plus
 
•
  
the dollar value of any dividends or other earnings paid on stock or option awards in the covered fiscal year prior to the vesting date that are not otherwise included in the total compensation for the covered fiscal year;
minus
 
•
  
for awards granted in prior years that were forfeited during the applicable year, the fair value as of the prior
year-end.
PEO – CAP Fair Value of Equity Calculation
 
YEAR
 
YE FAIR
VALUE OF
CURRENT
YEAR
AWARDS
UNVESTED
AS OF YE ($)
 
 
PLUS: CHANGE
IN FAIR VALUE
AS OF YE FOR
PRIOR YEAR
AWARDS
UNVESTED AS
OF YE ($)
 
 
PLUS: CHANGE
IN FAIR VALUE
AS OF
VESTING DATE
FOR PRIOR
YEAR AWARDS
THAT VESTED
DURING THE
YEAR ($)
 
 
PLUS: FAIR VALUE
AS OF VESTING
DATE FOR
CURRENT YEAR
AWARDS
THAT VESTED
DURING THE YEAR
($)
 
 
PLUS: DIVIDEND
EQUIVALENTS PAID
DURING THE YEAR
NOT OTHERWISE
INCLUDED IN
TOTAL
COMPENSATION ($)
 
 
MINUS: FAIR VALUE
AS OF PRIOR YE
FOR PRIOR YEAR
AWARDS
FORFEITED
DURING THE YEAR
($)
 
 
VALUE
OF EQUITY
FOR CAP
PURPOSES
($)
 
2022
     13,688,240       13,509,920       (1,701,122 )      0       95,120       0       25,592,158  
               
2021
     11,894,697       11,368,046       (333,974 )      0       8,945       0       22,937,714  
               
2020
     6,923,704       3,916,631       400,072       0       0       0       11,240,407  
    
Non-PEO NEO Average Total Compensation Amount $ 2,014,941 1,929,664 1,837,547
Non-PEO NEO Average Compensation Actually Paid Amount $ 4,755,789 3,839,836 2,664,564
Adjustment to Non-PEO NEO Compensation Footnote [Text Block]
Non-PEO
NEOs (Average) – Reconciliation of SCT Total to CAP Total
(a)
 
YEAR
  
SCT TOTAL ($)
 
  
MINUS: GRANT DATE
FAIR
VALUE OF AWARDS
GRANTED DURING
YEAR
(b)
($)
 
  
PLUS: FAIR VALUE OF
EQUITY CALCULATED USING
SEC METHODOLOGY
(c)
($)
 
  
MINUS: CHANGE IN
ACTUARIAL VALUE OF
PENSION BENEFITS DURING
YEAR ($)
 
    
CAP TOTAL ($)
 
2022
      2,014,941        746,020        3,486,868        0          4,755,789  
           
2021
      1,929,664        684,245        2,595,545        1,128          3,839,836  
           
2020
      1,837,547        663,051        1,562,894        72,826          2,664,564  
(a)
The CAP total figures were calculated using the same methodology described above in footnote (a) to the PEO “Reconciliation of SCT Total to CAP Total” tables shown above. The aggregate change in actuarial present value of accumulated benefit under pension plans reflects the amount reported for the applicable year in the SCT; the amounts shown reflect the annual change in accumulated benefits for the applicable
non-PEO
NEOs’ accounts in the Murphy Oil Supplemental Executive Retirement Plan (“Murphy Oil SERP”), liability for which was assumed by Murphy USA in connection with the
Spin-Off.
However, given that the Murphy Oil SERP has been frozen, there is no applicable service cost or prior service cost to report under the plan.
(b)
Represents the average total of the amounts reported in the Stock Awards and Option Awards columns of the SCT for these NEOs for the applicable year.
(c)
The fair value of equity component of the CAP calculation was determined using the same methodology described above in footnote (c) to the PEO “Reconciliation of SCT Total to CAP Total” table shown above, using averages for the included
non-PEO
NEOs. The specific calculations for the included
non-PEO
NEOs for the relevant years are shown in the table below.
Non-PEO
NEOs (Average) – CAP Fair Value of Equity Calculation
 
YEAR
 
YE FAIR VALUE
OF
CURRENT YEAR
AWARDS
UNVESTED AS
OF YE ($)
 
 
PLUS: CHANGE
IN FAIR VALUE
AS OF YE FOR
PRIOR YEAR
AWARDS
UNVESTED AS
OF YE ($)
 
 
PLUS: CHANGE
IN FAIR VALUE
AS OF
VESTING DATE
FOR PRIOR
YEAR AWARDS
THAT VESTED
DURING THE
YEAR ($)
 
 
PLUS: FAIR VALUE AS OF
VESTING DATE FOR
CURRENT YEAR
AWARDS THAT VESTED
DURING THE YEAR ($)
 
 
PLUS: DIVIDEND
EQUIVALENTS PAID
DURING THE YEAR
NOT OTHERWISE
INCLUDED IN TOTAL
COMPENSATION ($)
 
 
MINUS: FAIR
VALUE AS OF
PRIOR
YE FOR PRIOR
YEAR
AWARDS
FORFEITED
DURING THE
YEAR ($)
 
 
VALUE OF
EQUITY
FOR CAP
PURPOSES
($)
 
2022
     1,740,793       1,951,451       (217,606 )      0       12,230       0       3,486,868  
               
2021
     1,389,396       1,583,283       (48,393 )      0       1,346       330,087       2,595,545  
               
2020
     1,051,474       665,982       (154,562 )      0       0       0       1,562,894  
    
Compensation Actually Paid vs. Total Shareholder Return [Text Block] LOGO    
Compensation Actually Paid vs. Net Income [Text Block] LOGO    
Compensation Actually Paid vs. Company Selected Measure [Text Block]  
  		   
Total Shareholder Return Vs Peer Group [Text Block] LOGO    
Tabular List [Table Text Block]
Required Tabular Disclosure of Most Important Measures Linking Compensation Actually Paid During 2022 to Company Performance
The following table sets forth an unranked list of the financial performance measures that we view as the “most important” measures used to determine our PEO’s and
non-PEO
NEOs’ Compensation Actually Paid. For additional information illustrating the link between pay and performance at Murphy USA, please see the Compensation Discussion & Analysis beginning on page 21.
 
Performance Measure
 
Adjusted EBITDA
 
Relative TSR
 
Return on Average Capital Employed
 
Fuel Volume
 
Fuel Margin Contribution
 
Merchandise Margin Contribution
 
Coverage Ratio
    
Total Shareholder Return Amount $ 242.3 171.82 112.06
Peer Group Total Shareholder Return Amount 138.26 202.49 141.63
Net Income (Loss) $ 672,900,000 $ 396,900,000 $ 386,100,000
Company Selected Measure Amount 1,190.9 828.0 722.8
PEO Name R. Andrew Clyde    
Measure [Axis]: 1      
Pay vs Performance Disclosure [Table]      
Measure Name Adjusted EBITDA    
Measure [Axis]: 2      
Pay vs Performance Disclosure [Table]      
Measure Name Relative TSR    
Measure [Axis]: 3      
Pay vs Performance Disclosure [Table]      
Measure Name Return on Average Capital Employed    
Measure [Axis]: 4      
Pay vs Performance Disclosure [Table]      
Measure Name Fuel Volume    
Measure [Axis]: 5      
Pay vs Performance Disclosure [Table]      
Measure Name Fuel Margin Contribution    
Measure [Axis]: 6      
Pay vs Performance Disclosure [Table]      
Measure Name Merchandise Margin Contribution    
Measure [Axis]: 7      
Pay vs Performance Disclosure [Table]      
Measure Name Coverage Ratio    
PEO [Member] | Grant Date Fair Value of Awards Granted During Year [Member]      
Pay vs Performance Disclosure [Table]      
Adjustment to Compensation Amount $ 5,869,983 $ 5,060,085 $ 4,366,338
PEO [Member] | Fair Value of Equity Calculated Using SEC Methodology [Member]      
Pay vs Performance Disclosure [Table]      
Adjustment to Compensation Amount 25,592,158 22,937,714 11,240,407
PEO [Member] | Change in Actuarial Value of Pension Benefits During Year [Member]      
Pay vs Performance Disclosure [Table]      
Adjustment to Compensation Amount 0 0 0
PEO [Member] | YE Value of Current Year Awards Outstanding as of YE [Member]      
Pay vs Performance Disclosure [Table]      
Adjustment to Compensation Amount 13,688,240 11,894,697 6,923,704
PEO [Member] | Change in Value as of YE for Prior Year Awards Outstanding as of YE [Member]      
Pay vs Performance Disclosure [Table]      
Adjustment to Compensation Amount 13,509,920 11,368,046 3,916,631
PEO [Member] | Change in Value as of Vesting Date for Prior Year Awards That Vested During the Year [Member]      
Pay vs Performance Disclosure [Table]      
Adjustment to Compensation Amount (1,701,122) (333,974) 400,072
PEO [Member] | Fair Value As Of Vesting Date For Current Year Awards That Vested During The Year [Member]      
Pay vs Performance Disclosure [Table]      
Adjustment to Compensation Amount 0 0 0
PEO [Member] | Dividend Equivalents Paid During The Year Not Otherwise Included In Total Compensation [Member]      
Pay vs Performance Disclosure [Table]      
Adjustment to Compensation Amount 95,120 8,945 0
PEO [Member] | Value as of Prior YE for Prior Year Awards Forfeited During the Year [Member]      
Pay vs Performance Disclosure [Table]      
Adjustment to Compensation Amount 0 0 0
PEO [Member] | Value of Equity for CAP Purposes [Member]      
Pay vs Performance Disclosure [Table]      
Adjustment to Compensation Amount 25,592,158 22,937,714 11,240,407
Non-PEO NEO [Member] | Grant Date Fair Value of Awards Granted During Year [Member]      
Pay vs Performance Disclosure [Table]      
Adjustment to Compensation Amount 746,020 684,245 663,051
Non-PEO NEO [Member] | Fair Value of Equity Calculated Using SEC Methodology [Member]      
Pay vs Performance Disclosure [Table]      
Adjustment to Compensation Amount 3,486,868 2,595,545 1,562,894
Non-PEO NEO [Member] | Change in Actuarial Value of Pension Benefits During Year [Member]      
Pay vs Performance Disclosure [Table]      
Adjustment to Compensation Amount 0 1,128 72,826
Non-PEO NEO [Member] | YE Value of Current Year Awards Outstanding as of YE [Member]      
Pay vs Performance Disclosure [Table]      
Adjustment to Compensation Amount 1,740,793 1,389,396 1,051,474
Non-PEO NEO [Member] | Change in Value as of YE for Prior Year Awards Outstanding as of YE [Member]      
Pay vs Performance Disclosure [Table]      
Adjustment to Compensation Amount 1,951,451 1,583,283 665,982
Non-PEO NEO [Member] | Change in Value as of Vesting Date for Prior Year Awards That Vested During the Year [Member]      
Pay vs Performance Disclosure [Table]      
Adjustment to Compensation Amount (217,606) (48,393) (154,562)
Non-PEO NEO [Member] | Fair Value As Of Vesting Date For Current Year Awards That Vested During The Year [Member]      
Pay vs Performance Disclosure [Table]      
Adjustment to Compensation Amount 0 0 0
Non-PEO NEO [Member] | Dividend Equivalents Paid During The Year Not Otherwise Included In Total Compensation [Member]      
Pay vs Performance Disclosure [Table]      
Adjustment to Compensation Amount 12,230 1,346 0
Non-PEO NEO [Member] | Value as of Prior YE for Prior Year Awards Forfeited During the Year [Member]      
Pay vs Performance Disclosure [Table]      
Adjustment to Compensation Amount 0 330,087 0
Non-PEO NEO [Member] | Value of Equity for CAP Purposes [Member]      
Pay vs Performance Disclosure [Table]      
Adjustment to Compensation Amount $ 3,486,868 $ 2,595,545 $ 1,562,894