Consolidated Statements Of Partners' Capital (Deficit) (USD $)	Total	Accumulated Other Comprehensive Income (Loss)	Total Ferrellgas Partners, L.P. Partners' Capital (Deficit) [Member]	Noncontrolling Interest [Member]	Common Unitholders [Member]	General Partner Unitholder [Member]	Ferrellgas, L.P. [Member]	Ferrellgas, L.P. [Member] Accumulated Other Comprehensive Income (Loss)	Ferrellgas, L.P. [Member] Common Unitholders [Member]	Ferrellgas, L.P. [Member] General Partner Unitholder [Member]
Partners' capital balance at Jul. 31, 2014	$ (111,646,000)	$ 6,181,000	$ (112,366,000)	$ 720,000	$ (57,893,000)	$ (60,654,000)	$ 69,925,000	$ 6,258,000	$ 63,024,000	$ 643,000
Partners' capital balance (in units) at Jul. 31, 2014					81,228,200	820,500
Increase (Decrease) in Partners' Capital [Roll Forward]
Contributions in connection with non-cash ESOP and stock and unit-based compensation charges	20,486,000		20,279,000	207,000	20,077,000	202,000	20,486,000		20,279,000	207,000
Distributions	(42,200,000)		(41,774,000)	(426,000)	(41,356,000)	(418,000)	(42,200,000)		(41,774,000)	(426,000)
Issuance of common units in connection with acquisitions - units					1,483,600	15,000
Issuance of common units in connection with acquisitions - value	42,803,000		42,372,000	431,000	41,948,000	424,000
Contributions from partners							42,655,000		42,224,000	431,000
Net loss	(33,169,000)		(32,875,000)	(294,000)	(32,546,000)	(329,000)	(29,137,000)		(28,843,000)	(294,000)
Other comprehensive income	(15,027,000)	(14,873,000)	(14,873,000)	(154,000)			(15,027,000)	(15,027,000)
Partners' capital balance at Oct. 31, 2014	$ (138,753,000)	$ (8,692,000)	$ (139,237,000)	$ 484,000	$ (69,770,000)	$ (60,775,000)	$ 46,702,000	$ (8,769,000)	$ 54,910,000	$ 561,000
Partners' capital balance (in units) at Oct. 31, 2014					82,711,800	835,500