Consolidated Statements Of Earnings (USD $)	3 Months Ended		9 Months Ended
	Apr. 30, 2015	Apr. 30, 2014	Apr. 30, 2015	Apr. 30, 2014
Revenues:
Propane and other gas liquids sales	$ 445,667,000	$ 625,117,000	$ 1,400,895,000	$ 1,796,786,000
Other	86,884,000	97,000,000	240,984,000	210,044,000
Total revenues	532,551,000	722,117,000	1,641,879,000	2,006,830,000
Costs and expenses:
Cost of product sold - propane and other gas liquids sales	253,684,000	422,256,000	849,190,000	1,232,516,000
Cost of product sold - other	59,586,000	69,388,000	153,736,000	131,443,000
Operating expense	107,504,000	115,089,000	321,146,000	337,135,000
Depreciation and amortization expense	23,324,000	20,913,000	70,576,000	61,771,000
General and administrative expense	10,902,000	16,860,000	45,169,000	47,749,000
Equipment lease expense	6,347,000	4,638,000	17,674,000	12,978,000
Non-cash employee stock ownership plan compensation charge	8,566,000	3,710,000	16,728,000	10,389,000
Loss on disposal of assets	2,203,000	1,732,000	4,578,000	3,426,000
Operating income	60,435,000	67,531,000	163,082,000	169,423,000
Interest expense	(23,510,000)	(20,189,000)	(71,797,000)	(64,372,000)
Loss on extinguishment of debt	0	0	0	(21,202,000)
Other income, net	212,000	225,000	(415,000)	498,000
Earnings before income taxes	37,137,000	47,567,000	90,870,000	84,347,000
Income tax expense	917,000	1,677,000	1,448,000	2,391,000
Net Earnings (Loss)	36,220,000	45,890,000	89,422,000	81,956,000
Net earnings attributable to noncontrolling interest	408,000	505,000	1,027,000	950,000
Net earnings attributable to Ferrellgas Partners, L.P.	35,812,000	45,385,000	88,395,000	81,006,000
Less: General partner's interest in net earnings	358,000	454,000	884,000	810,000
Common unitholders' interest in net earnings	35,454,000	44,931,000	87,511,000	80,196,000
Basic and diluted net earnings per common unitholders' interest	$ 0.43	$ 0.57	$ 1.06	$ 1.01
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	549	125	699	175
Net Earnings (Loss)	(549)	(125)	(699)	(175)
Ferrellgas, L.P. [Member]
Revenues:
Propane and other gas liquids sales	445,667,000	625,117,000	1,400,895,000	1,796,786,000
Other	86,884,000	97,000,000	240,984,000	210,044,000
Total revenues	532,551,000	722,117,000	1,641,879,000	2,006,830,000
Costs and expenses:
Cost of product sold - propane and other gas liquids sales	253,684,000	422,256,000	849,190,000	1,232,516,000
Cost of product sold - other	59,586,000	69,388,000	153,736,000	131,443,000
Operating expense	107,418,000	115,014,000	321,063,000	337,180,000
Depreciation and amortization expense	23,324,000	20,913,000	70,576,000	61,771,000
General and administrative expense	10,902,000	16,860,000	45,169,000	47,749,000
Equipment lease expense	6,347,000	4,638,000	17,674,000	12,978,000
Non-cash employee stock ownership plan compensation charge	8,566,000	3,710,000	16,728,000	10,389,000
Loss on disposal of assets	2,203,000	1,732,000	4,578,000	3,426,000
Operating income	60,521,000	67,606,000	163,165,000	169,378,000
Interest expense	(19,476,000)	(16,146,000)	(59,695,000)	(52,242,000)
Loss on extinguishment of debt	0	0	0	(21,202,000)
Other income, net	212,000	225,000	(415,000)	498,000
Earnings before income taxes	41,257,000	51,685,000	103,055,000	96,432,000
Income tax expense	853,000	1,632,000	1,379,000	2,346,000
Net Earnings (Loss)	40,404,000	50,053,000	101,676,000	94,086,000
Ferrellgas Finance Corp. [Member]
Costs and expenses:
General and administrative expense	548	125	4,108	4,965
Net Earnings (Loss)	$ (548)	$ (125)	$ (4,108)	$ (4,965)