Accounts And Notes Receivable, Net And Accounts Receivable Securitization (Details) - USD ($) $ in Thousands	Apr. 30, 2020	Jul. 31, 2019
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable pledged as collateral	$ 134,443	$ 106,145
Accounts receivable, not pledged as collateral (including other reserves)	564	1,218
Notes receivable, current portion	10,461	2,660
Other	37	36
Less: Allowance for doubtful accounts	(2,553)	(2,463)
Accounts and notes receivable, net	142,952	107,596
Ferrellgas, L.P. [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable pledged as collateral	134,443	106,145
Accounts receivable, not pledged as collateral (including other reserves)	564	1,218
Notes receivable, current portion	10,461	2,660
Other	37	36
Less: Allowance for doubtful accounts	(2,553)	(2,463)
Accounts and notes receivable, net	$ 142,952	$ 107,596