Accounts and notes receivable, net (Details) - USD ($) $ in Thousands	Jul. 31, 2022	Jul. 31, 2021
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable	$ 154,570	$ 135,182
Notes receivable	2,517	13,648
Less: Allowance for expected credit losses	(6,692)	(17,256)
Accounts and notes receivable, net	150,395	131,574
Ferrellgas, L.P. [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts and notes receivable, net	$ 150,395	$ 131,574