Acquisitions - Allocation of Purchase Price (Details) - USD ($) $ in Thousands	Dec. 16, 2021	May 13, 2021	Apr. 30, 2022	Jun. 30, 2021	Apr. 30, 2021
Assets acquired:
Goodwill			$ 612,934		$ 161,075
Buchanan Energy
Assets acquired:
Cash and cash equivalents		$ 5,092
Receivables		225
Inventories		18,516
Prepaid expenses		150
Property and equipment		306,818
Contractual customer relationships		31,100
Deferred income taxes		1,343
Finance lease right-of-use assets		9,421
Operating lease right-of-use assets		11,236
Other assets		1,774
Goodwill		254,679
Total assets		640,354
Liabilities assumed:
Accounts payable		30,212
Accrued expenses		8,395
Finance lease liabilities		11,101
Operating lease liabilities		15,087
Other long-term liabilities		3,717
Total liabilities		68,512
Net assets acquired and total purchase price		571,842
Consideration transferred		$ 571,842
Circle K
Assets acquired:
Inventories				$ 5,299
Property and equipment				6,150
Deferred income taxes				316
Finance lease right-of-use assets				37,086
Operating lease right-of-use assets				24,113
Goodwill				31,346
Total assets				104,310
Liabilities assumed:
Accrued expenses				545
Finance lease liabilities				46,576
Operating lease liabilities				15,773
Total liabilities				62,894
Net assets acquired and total purchase price				$ 41,416
Pilot
Assets acquired:
Cash and cash equivalents	$ 95
Inventories	6,556
Prepaid expenses	87
Property and equipment	67,365
Deferred income taxes	311
Operating lease right-of-use assets	28,002
Goodwill	154,223
Total assets	256,639
Liabilities assumed:
Accrued expenses	883
Operating lease liabilities	29,132
Total liabilities	30,015
Consideration transferred	$ 226,624