Consolidated Statements Of Earnings (USD $)	3 Months Ended		6 Months Ended
	Jan. 31, 2015	Jan. 31, 2014	Jan. 31, 2015	Jan. 31, 2014
Revenues:
Propane and other gas liquids sales	$ 560,867,000	$ 789,446,000	$ 955,228,000	$ 1,171,669,000
Other	105,106,000	80,237,000	154,100,000	113,044,000
Total revenues	665,973,000	869,683,000	1,109,328,000	1,284,713,000
Costs and expenses:
Cost of product sold - propane and other gas liquids sales	330,692,000	551,506,000	595,506,000	810,260,000
Cost of product sold - other	70,290,000	48,709,000	94,150,000	62,055,000
Operating expense	107,214,000	118,282,000	213,642,000	222,046,000
Depreciation and amortization expense	23,943,000	20,643,000	47,252,000	40,858,000
General and administrative expense	10,872,000	16,475,000	34,267,000	30,889,000
Equipment lease expense	5,795,000	4,274,000	11,327,000	8,340,000
Non-cash employee stock ownership plan compensation charge	3,788,000	3,636,000	8,162,000	6,679,000
Loss on disposal of assets	1,414,000	1,337,000	2,375,000	1,694,000
Operating income	111,965,000	104,821,000	102,647,000	101,892,000
Interest expense	(24,375,000)	(22,090,000)	(48,287,000)	(44,183,000)
Loss on extinguishment of debt	0	(20,901,000)	0	(21,202,000)
Other income, net	(178,000)	57,000	(627,000)	273,000
Earnings before income taxes	87,412,000	61,887,000	53,733,000	36,780,000
Income tax expense	1,041,000	764,000	531,000	714,000
Net Earnings (Loss)	86,371,000	61,123,000	53,202,000	36,066,000
Net earnings attributable to noncontrolling interest	913,000	659,000	619,000	445,000
Net earnings attributable to Ferrellgas Partners, L.P.	85,458,000	60,464,000	52,583,000	35,621,000
Less: General partner's interest in net earnings	11,955,000	3,663,000	526,000	356,000
Common unitholders' interest in net earnings	73,503,000	56,801,000	52,057,000	35,265,000
Basic and diluted net earnings per common unitholders' interest	$ 0.89	$ 0.72	$ 0.63	$ 0.45
Cash distributions declared per common unit	$ 0.50	$ 0.50	$ 1.00	$ 1.00
Ferrellgas Partners Finance Corp. [Member]
Costs and expenses:
General and administrative expense	0	0	150	50
Net Earnings (Loss)	0	0	(150)	(50)
Ferrellgas, L.P. [Member]
Revenues:
Propane and other gas liquids sales	560,867,000	789,446,000	955,228,000	1,171,669,000
Other	105,106,000	80,237,000	154,100,000	113,044,000
Total revenues	665,973,000	869,683,000	1,109,328,000	1,284,713,000
Costs and expenses:
Cost of product sold - propane and other gas liquids sales	330,692,000	551,506,000	595,506,000	810,260,000
Cost of product sold - other	70,290,000	48,709,000	94,150,000	62,055,000
Operating expense	107,214,000	118,277,000	213,645,000	222,166,000
Depreciation and amortization expense	23,943,000	20,643,000	47,252,000	40,858,000
General and administrative expense	10,872,000	16,475,000	34,267,000	30,889,000
Equipment lease expense	5,795,000	4,274,000	11,327,000	8,340,000
Non-cash employee stock ownership plan compensation charge	3,788,000	3,636,000	8,162,000	6,679,000
Loss on disposal of assets	1,414,000	1,337,000	2,375,000	1,694,000
Operating income	111,965,000	104,826,000	102,644,000	101,772,000
Interest expense	(20,341,000)	(18,047,000)	(40,219,000)	(36,096,000)
Loss on extinguishment of debt	0	(20,901,000)	0	(21,202,000)
Other income, net	(178,000)	57,000	(627,000)	273,000
Earnings before income taxes	91,446,000	65,935,000	61,798,000	44,747,000
Income tax expense	1,037,000	764,000	526,000	714,000
Net Earnings (Loss)	90,409,000	65,171,000	61,272,000	44,033,000
Ferrellgas Finance Corp. [Member]
Costs and expenses:
General and administrative expense	3,400	4,790	3,560	4,840
Net Earnings (Loss)	$ (3,400)	$ (4,790)	$ (3,560)	$ (4,840)