Business Combinations (Schedule Of Funding Of Acquisitions) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jul. 31, 2013	Jul. 31, 2012	Jul. 31, 2011
Cash payments	$ 37,186	$ 10,387	$ 7,298
Issuance of liabilities and other costs and considerations	2,035	2,347	2,348
Common units, net of issuance cost	0	1,300	2,940
Aggregate fair value of transactions	39,221	14,034	12,586
Ferrellgas, L.P. [Member]
Cash payments	37,186	10,400	7,298
Issuance of liabilities and other costs and considerations	2,035	2,334	2,348
Common units, net of issuance cost	0	1,300	2,940
Aggregate fair value of transactions	$ 39,221	$ 14,034	$ 12,586