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Acquisitions - Narrative (Details) |  |  | 1 Months Ended | 3 Months Ended | 9 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Dec. 16, 2021 USD ($) store | May 13, 2021 USD ($) store | Jun. 30, 2021 USD ($) store | Jan. 31, 2022 USD ($) store | Jan. 31, 2022 USD ($) store | Apr. 30, 2022 USD ($) parcel store | Apr. 30, 2021 USD ($) | Dec. 23, 2020 USD ($)
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Number of stores | store |  |  |  | 2,431 | 2,431 |  |  |
Goodwill |  |  |  | $ 601,040,000 | $ 601,040,000 |  | $ 161,075,000 |
Line of Credit | New Senior Unsecured Term Lon |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Maximum borrowing capacity |  |  |  | 150,000,000 | 150,000,000 |  |  |
Line of Credit | Term Loan Facility |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Maximum borrowing capacity |  |  |  |  |  |  |  | $ 300,000,000
Buchanan Energy |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Number of retail locations divested | store |  | 3 |  |  |  |  |  |
Texas | Buchanan Energy | Forecast | Disposal Group, Disposed of by Sale, Not Discontinued Operations |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Number of retail locations divested | store |  |  |  |  |  | 4 |  |
Number of parcels of property divested | parcel |  |  |  |  |  | 1 |  |
Consideration received for disposal |  |  |  |  |  | $ 41,000,000 |  |
Buchanan Energy |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Percentage of voting interested acquired |  | 100.00% |  |  |  |  |  |
Number of stores | store |  | 92 |  |  |  |  |  |
Dealer network, number of stores | store |  | 81 |  |  |  |  |  |
Consideration transferred |  | $ 573,420,000 |  |  |  |  |  |
Working capital adjustments |  | 3,822,000 |  |  |  |  |  |
Aggregate purchase price |  | 577,242,000 |  |  |  |  |  |
Contractual customer relationships |  | $ 31,100,000 |  |  |  |  |  |
Useful life |  | 15 years |  |  |  |  |  |
Goodwill |  | $ 250,113,000 |  |  |  |  |  |
Acquisition-related transaction costs |  |  |  | 8,600,000 | 8,600,000 |  |  |
Acquisition-related transaction costs incurred |  |  |  |  | 6,700,000 |  |  |
Revenue |  |  |  | 215,472,000 | 686,063,000 |  |  |
Buchanan Energy | Retail |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Goodwill |  | 242,060,000 |  |  |  |  |  |
Buchanan Energy | Fuel Wholesale |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Goodwill |  | $ 8,053,000 |  |  |  |  |  |
Buchanan Energy | Nebraska |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Number of stores | store |  | 24 |  |  |  |  |  |
Buchanan Energy | Illinois |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Number of stores | store |  | 56 |  |  |  |  |  |
Buchanan Energy | Iowa |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Number of stores | store |  | 5 |  |  |  |  |  |
Buchanan Energy | Missouri |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Number of stores | store |  | 3 |  |  |  |  |  |
Buchanan Energy | Texas |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Number of stores | store |  | 4 |  |  |  |  |  |
Circle K |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Number of stores | store |  |  | 48 |  |  |  |  |
Aggregate purchase price |  |  | $ 41,416,000 |  |  |  |  |
Goodwill |  |  | $ 31,662,000 |  |  |  |  |
Revenue |  |  |  | $ 43,259,000 | $ 114,650,000 |  |  |
Pilot |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Number of stores | store | 40 |  |  | 40 | 40 |  |  |
Consideration transferred | $ 226,624,000 |  |  |  |  |  |  |
Goodwill | $ 153,936,000 |  |  |  |  |  |  |
Revenue |  |  |  | $ 35,259,000 |  |  |  |
Pilot | Tennessee |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Number of stores | store | 39 |  |  |  |  |  |  |
Pilot | Kentucky |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Number of stores | store | 1 |  |  |  |  |  |  |

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