Business Combinations (Schedule Of Funding Of Acquisitions) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jul. 31, 2014	Jul. 31, 2013	Jul. 31, 2012
Propane and related equipment sales [Member]
Cash payments	$ 34,219	$ 37,186	$ 10,387
Issuance of liabilities and other costs and considerations	2,942	2,035	2,347
Common units, net of issuance cost	1,500	0	1,300
Aggregate fair value of transactions	38,661	39,221	14,034
Propane and related equipment sales [Member] | Ferrellgas, L.P. [Member]
Cash payments	34,234	37,186	10,400
Issuance of liabilities and other costs and considerations	2,927	2,035	2,334
Common units, net of issuance cost	1,500	0	1,300
Aggregate fair value of transactions	38,661	39,221	14,034
Midstream Operations [Member]
Cash payments	127,785	0	0
Issuance of liabilities and other costs and considerations	2,555	0	0
Common units, net of issuance cost	0	0	0
Aggregate fair value of transactions	130,340	0	0
Midstream Operations [Member] | Ferrellgas, L.P. [Member]
Cash payments	127,785	0	0
Issuance of liabilities and other costs and considerations	2,555	0	0
Common units, net of issuance cost	0	0	0
Aggregate fair value of transactions	$ 130,340	$ 0	$ 0