Summary Of Significant Accounting Policies (Significant Cash And Non-Cash Activities) (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jan. 31, 2014	Jan. 31, 2013
Cash Paid For [Abstract]
Interest	$ 45,648	$ 42,646
Income taxes	178	45
Non-Cash Investing Activities [Abstract]
Issuance of common units in connection with acquisitions	1,530
Liabilities incurred in connection with acquisitions	682	1,060
Change in accruals for property, plant and equipment additions	1,082	598
Ferrellgas, L.P. [Member]
Cash Paid For [Abstract]
Interest	37,800	34,797
Income taxes	179	45
Non-Cash Investing Activities [Abstract]
Issuance of common units in connection with acquisitions	1,515
Liabilities incurred in connection with acquisitions	682	1,060
Change in accruals for property, plant and equipment additions	1,082	598
Common Unitholders [Member]
Non-Cash Investing Activities [Abstract]
Issuance of common units in connection with acquisitions	1,500	0
Common Unitholders [Member] | Ferrellgas, L.P. [Member]
Non-Cash Investing Activities [Abstract]
Issuance of common units in connection with acquisitions	$ 1,500	$ 0