Accounts And Notes Receivable, Net And Accounts Receivable Securitization (Accounts And Notes Receivable) (Details) (USD $) In Thousands, unless otherwise specified	Apr. 30, 2015	Jul. 31, 2014
Accounts receivable pledged as collateral	$ 182,305	$ 159,003
Accounts receivable	12,764	24,108
Other	323	247
Less: Allowance for doubtful accounts	(5,823)	(4,756)
Accounts and notes receivable, net	189,569	178,602
Ferrellgas, L.P. [Member]
Accounts receivable pledged as collateral	182,305	159,003
Accounts receivable	12,764	24,108
Other	323	247
Less: Allowance for doubtful accounts	(5,823)	(4,756)
Accounts and notes receivable, net	$ 189,569	$ 178,602