Accounts And Notes Receivable, Net And Accounts Receivable Securitization (Details) - USD ($) $ in Thousands	Apr. 30, 2019	Jul. 31, 2018
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable pledged as collateral	$ 160,959	$ 120,079
Accounts receivable, not pledged as collateral (including other reserves)	(468)	8,272
Notes receivable, current portion	121	132
Other	37	26
Less: Allowance for doubtful accounts	(3,420)	(2,455)
Accounts and notes receivable, net	157,229	126,054
Ferrellgas, L.P. [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable pledged as collateral	160,959	120,079
Accounts receivable, not pledged as collateral (including other reserves)	(468)	8,272
Notes receivable, current portion	121	132
Other	37	26
Less: Allowance for doubtful accounts	(3,420)	(2,455)
Accounts and notes receivable, net	$ 157,229	$ 126,054