Condensed Consolidated Statements Of Earnings (USD $)	3 Months Ended
	Oct. 31, 2012	Oct. 31, 2011
Revenues:
Propane and other gas liquids sales	$ 335,281,000	$ 514,219,000
Other	27,628,000	24,207,000
Total revenues	362,909,000	538,426,000
Costs and expenses:
Cost of product sold - propane and other gas liquids sales	213,657,000	403,122,000
Cost of product sold - other	9,197,000	6,626,000
Operating expense	97,145,000	100,578,000
Depreciation and amortization expense	20,875,000	20,674,000
General and administrative expense	11,155,000	11,114,000
Equipment lease expense	3,923,000	3,529,000
Non-cash employee stock ownership plan compensation charge	2,402,000	2,579,000
Loss on disposal of assets and other	271,000	309,000
Operating income	4,284,000	(10,105,000)
Interest expense	(22,435,000)	(23,387,000)
Other income (expense), net	91,000	(33,000)
Earnings (loss) before income taxes	(18,060,000)	(33,525,000)
Income tax expense	(264,000)	(630,000)
Net earnings (loss)	(17,796,000)	(32,895,000)
Net earnings (loss) attributable to noncontrolling interest	(138,000)	(291,000)
Net earnings (loss) attributable to Ferrellgas Partners, L.P.	(17,658,000)	(32,604,000)
Less: General partner's interest in net earnings (loss)	(177,000)	(326,000)
Common unitholders' interest in net earnings (loss)	(17,481,000)	(32,278,000)
Basic and diluted net earnings (loss) per common unitholders' interest	$ (0.22)	$ (0.42)
Cash distributions declared per common unit	$ 0.50	$ 0.50
Ferrellgas Partners Finance Corp. [Member]
Costs and expenses:
General and administrative expense	0	50
Net earnings (loss)	0	(50)
Ferrellgas, L.P. [Member]
Revenues:
Propane and other gas liquids sales	335,281,000	514,219,000
Other	27,628,000	24,207,000
Total revenues	362,909,000	538,426,000
Costs and expenses:
Cost of product sold - propane and other gas liquids sales	213,657,000	403,122,000
Cost of product sold - other	9,197,000	6,626,000
Operating expense	97,082,000	100,516,000
Depreciation and amortization expense	20,875,000	20,674,000
General and administrative expense	11,155,000	11,114,000
Equipment lease expense	3,923,000	3,529,000
Non-cash employee stock ownership plan compensation charge	2,402,000	2,579,000
Loss on disposal of assets and other	271,000	309,000
Operating income	4,347,000	(10,043,000)
Interest expense	(18,394,000)	(19,357,000)
Other income (expense), net	91,000	(33,000)
Earnings (loss) before income taxes	(13,956,000)	(29,433,000)
Income tax expense	(264,000)	(631,000)
Net earnings (loss)	(13,692,000)	(28,802,000)
Ferrellgas Finance Corp. [Member]
Costs and expenses:
General and administrative expense	1,500	1,500
Net earnings (loss)	$ (1,500)	$ (1,500)