Summary Of Significant Accounting Policies (Significant Cash And Non-Cash Activities) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jul. 31, 2014	Jul. 31, 2013	Jul. 31, 2012
Cash Paid For [Abstract]
Interest Paid	$ 90,820	$ 84,030	$ 88,696
Income taxes	816	550	764
Non-Cash Investing Activities [Abstract]
Issuance of common units in connection with acquisitions	1,530		1,326
Liabilities incurred in connection with acquisitions	4,312	2,035	2,321
Change in accruals for property, plant and equipment additions	978	533	233
Ferrellgas, L.P. [Member]
Cash Paid For [Abstract]
Interest Paid	75,121	68,334	72,999
Income taxes	771	534	756
Non-Cash Investing Activities [Abstract]
Issuance of common units in connection with acquisitions	1,515		1,313
Liabilities incurred in connection with acquisitions	4,312	2,035	2,321
Change in accruals for property, plant and equipment additions	978	533	233
Common Unitholders [Member]
Non-Cash Investing Activities [Abstract]
Issuance of common units in connection with acquisitions	1,500	0	1,300
Common Unitholders [Member] | Ferrellgas, L.P. [Member]
Non-Cash Investing Activities [Abstract]
Issuance of common units in connection with acquisitions	$ 1,500	$ 0	$ 1,300