Accounts And Notes Receivable, Net And Accounts Receivable Securitization (Accounts And Notes Receivable) (Details) - USD ($) $ in Thousands	Oct. 31, 2017	Jul. 31, 2017
Accounts receivable pledged as collateral	$ 137,244	$ 109,407
Accounts receivable	46,318	47,346
Notes Receivable, Related Parties, Current	10,000	10,000
Other	294	307
Less: Allowance for doubtful accounts	(2,428)	(1,976)
Accounts and notes receivable, net	191,428	165,084
Ferrellgas, L.P. [Member]
Accounts receivable pledged as collateral	137,244	109,407
Accounts receivable	46,318	47,346
Notes Receivable, Related Parties, Current	10,000	10,000
Other	294	307
Less: Allowance for doubtful accounts	(2,428)	(1,976)
Accounts and notes receivable, net	$ 191,428	$ 165,084