Accounts And Notes Receivable, Net And Accounts Receivable Securitization (Accounts And Notes Receivable) (Details) - USD ($)	Jul. 31, 2017	Jul. 31, 2016
Accounts receivable pledged as collateral	$ 109,407,000	$ 106,464,000
Accounts receivable	47,346,000	43,148,000
Notes Receivable, Related Parties, Current	10,000,000	5,000,000
Other	307,000	38,000
Less: Allowance for doubtful accounts	(1,976,000)	(5,067,000)
Accounts and notes receivable, net	165,084,000	149,583,000
Ferrellgas, L.P. [Member]
Accounts receivable pledged as collateral	109,407,000	106,464,000
Accounts receivable	47,346,000	43,148,000
Notes Receivable, Related Parties, Current	10,000,000	5,000,000
Other	307,000	38,000
Less: Allowance for doubtful accounts	(1,976,000)	(5,067,000)
Accounts and notes receivable, net	$ 165,084,000	$ 149,583,000