Condensed Consolidated Statements of Earnings (USD $)	3 Months Ended		9 Months Ended
	Apr. 30, 2011	Apr. 30, 2010	Apr. 30, 2011	Apr. 30, 2010
Revenues:
Propane and other gas liquids sales	$ 647,709,000	$ 536,024,000	$ 1,790,511,000	$ 1,588,038,000
Other	84,664,000	79,266,000	183,046,000	157,174,000
Total revenues	732,373,000	615,290,000	1,973,557,000	1,745,212,000
Costs and expenses:
Cost of product sold - propane and other gas liquids sales	483,101,000	355,316,000	1,299,003,000	1,060,216,000
Cost of product sold - other	60,074,000	51,132,000	111,432,000	82,520,000
Operating expense (includes $0.6 million and $0.3 million for the three months ended April 30, 2011 and 2010, respectively, and $3.8 million and $1.2 million for the nine months ended April 30, 2011 and 2010, respectively, for non-cash stock and unit-based compensation)	104,383,000	106,560,000	310,467,000	308,000,000
Depreciation and amortization expense	20,030,000	20,848,000	60,395,000	62,022,000
General and administrative expense	18,937,000	11,893,000	49,148,000	37,017,000
Equipment lease expense	3,650,000	3,259,000	10,842,000	10,160,000
Non-cash employee stock ownership plan compensation charge	2,591,000	2,698,000	7,967,000	6,961,000
Loss on disposal of assets and other	463,000	2,696,000	834,000	5,480,000
Operating income	39,144,000	60,888,000	123,469,000	172,836,000
Interest expense	(24,933,000)	(25,933,000)	(78,205,000)	(74,844,000)
Loss on extinguishment of debt	(10,513,000)	(3,408,000)	(46,962,000)	(20,716,000)
Other income (expense), net	243,000	(529,000)	509,000	(1,085,000)
Earnings (loss) before income taxes	3,941,000	31,018,000	(1,189,000)	76,191,000
Income tax expense	572,000	1,754,000	1,288,000	2,006,000
Net earnings (loss)	3,369,000	29,264,000	(2,477,000)	74,185,000
Net earnings attributable to noncontrolling interest	196,000	401,000	264,000	976,000
Net earnings (loss) attributable to Ferrellgas Partners, L.P.	3,173,000	28,863,000	(2,741,000)	73,209,000
Less: General partner's interest in net earnings (loss)	32,000	289,000	(27,000)	732,000
Common unitholders' interest in net earnings (loss)	3,141,000	28,574,000	(2,714,000)	72,477,000
Basic and diluted net earnings (loss) per common unitholders' interest	$ 0.04	$ 0.41	$ (0.04)	$ 1.05
Cash distributions declared per common unit	$ 0.50	$ 0.50	$ 1.50	$ 1.50
Ferrellgas Partners Finance Corp. [Member]
Costs and expenses:
General and administrative expense	324	126	539	323
Net earnings (loss)	(324)	(126)	(539)	(323)
Ferrellgas, L.P. and Subsidiaries [Member]
Revenues:
Propane and other gas liquids sales	647,709,000	536,024,000	1,790,511,000	1,588,038,000
Other	84,664,000	79,266,000	183,046,000	157,174,000
Total revenues	732,373,000	615,290,000	1,973,557,000	1,745,212,000
Costs and expenses:
Cost of product sold - propane and other gas liquids sales	483,101,000	355,316,000	1,299,003,000	1,060,216,000
Cost of product sold - other	60,074,000	51,132,000	111,432,000	82,520,000
Operating expense (includes $0.6 million and $0.3 million for the three months ended April 30, 2011 and 2010, respectively, and $3.8 million and $1.2 million for the nine months ended April 30, 2011 and 2010, respectively, for non-cash stock and unit-based compensation)	104,251,000	106,398,000	310,196,000	307,649,000
Depreciation and amortization expense	20,030,000	20,848,000	60,395,000	62,022,000
General and administrative expense	18,937,000	11,893,000	49,148,000	37,017,000
Equipment lease expense	3,650,000	3,259,000	10,842,000	10,160,000
Non-cash employee stock ownership plan compensation charge	2,591,000	2,698,000	7,967,000	6,961,000
Loss on disposal of assets and other	463,000	2,696,000	834,000	5,480,000
Operating income	39,276,000	61,050,000	123,740,000	173,187,000
Interest expense	(19,546,000)	(19,875,000)	(60,422,000)	(56,934,000)
Loss on extinguishment of debt	0	0	(36,449,000)	(17,308,000)
Other income (expense), net	243,000	214,000	509,000	(342,000)
Earnings (loss) before income taxes	19,973,000	41,389,000	27,378,000	98,603,000
Income tax expense	557,000	1,728,000	1,273,000	1,980,000
Net earnings (loss)	19,416,000	39,661,000	26,105,000	96,623,000
Ferrellgas Finance Corp. [Member]
Costs and expenses:
General and administrative expense	323	126	8,163	3,298
Net earnings (loss)	$ (323)	$ (126)	$ (8,163)	$ (3,298)