CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($)	3 Months Ended		9 Months Ended
	Apr. 30, 2022	Apr. 30, 2021	Apr. 30, 2022	Apr. 30, 2021
Revenues:
Revenues	$ 647,543,000	$ 564,730,000	$ 1,726,987,000	$ 1,419,184,000
Costs and expenses:
Operating expense - personnel, vehicle, plant and other	147,293,000	124,624,000	392,418,000	348,898,000
Operating expense - equipment lease expense	5,775,000	6,770,000	17,487,000	20,462,000
Depreciation and amortization expense	23,067,000	21,281,000	65,306,000	63,920,000
General and administrative expense	10,962,000	15,205,000	39,321,000	48,760,000
Non-cash employee stock ownership plan compensation charge	776,000	811,000	2,436,000	2,281,000
(Gain) loss on asset sales and disposals	1,299,000	1,345,000	(6,566,000)	2,238,000
Operating income	92,237,000	93,323,000	239,533,000	215,679,000
Interest expense	(23,965,000)	(42,189,000)	(74,499,000)	(149,010,000)
Loss on extinguishment of debt		(109,922,000)		(109,922,000)
Other income, net	99,000	553,000	4,406,000	4,169,000
Reorganization expense - professional fees		(9,007,000)		(10,207,000)
Earnings (loss) before income taxes	68,371,000	(67,242,000)	169,440,000	(49,291,000)
Income tax expense	248,000	193,000	825,000	606,000
Net earnings (loss)	68,123,000	(67,435,000)	168,615,000	(49,897,000)
Net earnings (loss) attributable to noncontrolling interest	537,000	(641,000)	1,230,000	(308,000)
Net earnings (loss)	67,586,000	(66,794,000)	167,385,000	(49,589,000)
Limited partner unitholders' interest in net earnings (loss)	$ 7,336,000	$ (74,057,000)	$ 16,668,000	$ (57,024,000)
Class A Limited Partner Units
Costs and expenses:
Basic and diluted net earnings (loss) per limited partner unit	$ 1.51	$ (15.25)	$ 3.43	$ (11.74)
Propane [Member]
Revenues:
Revenues	$ 622,211,000	$ 542,036,000	$ 1,652,419,000	$ 1,351,519,000
Costs and expenses:
Cost of sales	362,958,000	298,386,000	966,709,000	706,790,000
Other Revenues
Revenues:
Revenues	25,332,000	22,694,000	74,568,000	67,665,000
Costs and expenses:
Cost of sales	3,176,000	2,985,000	10,343,000	10,156,000
Ferrellgas Partners Finance Corp. [Member]
Costs and expenses:
General and administrative expense	665	341	2,080	2,490
Net earnings (loss)	(665,000)	(341,000)	(2,080,000)	(2,490,000)
Ferrellgas, L.P. [Member]
Revenues:
Revenues	647,543,000	564,730,000	1,726,985,000	1,419,184,000
Costs and expenses:
Operating expense - personnel, vehicle, plant and other	147,293,000	124,624,000	392,418,000	348,898,000
Operating expense - equipment lease expense	5,775,000	6,770,000	17,487,000	20,462,000
Depreciation and amortization expense	23,067,000	21,281,000	65,306,000	63,920,000
General and administrative expense	10,959,000	15,203,000	39,312,000	48,533,000
Non-cash employee stock ownership plan compensation charge	776,000	811,000	2,436,000	2,281,000
(Gain) loss on asset sales and disposals	1,299,000	1,345,000	(6,566,000)	2,238,000
Operating income	92,240,000	93,325,000	239,540,000	215,906,000
Interest expense	(23,965,000)	(42,189,000)	(74,499,000)	(135,239,000)
Loss on extinguishment of debt		(107,968,000)		(107,968,000)
Other income, net	840,000	1,552,000	6,569,000	5,419,000
Earnings (loss) before income taxes	69,115,000	(55,280,000)	171,610,000	(21,882,000)
Income tax expense	243,000	193,000	820,000	592,000
Net earnings (loss)	68,872,000	(55,473,000)	170,790,000	(22,474,000)
Ferrellgas, L.P. [Member] | Propane [Member]
Revenues:
Revenues	622,211,000	542,036,000	1,652,419,000	1,351,519,000
Costs and expenses:
Cost of sales	362,958,000	298,386,000	966,709,000	706,790,000
Ferrellgas, L.P. [Member] | Other Revenues
Revenues:
Revenues	25,332,000	22,694,000	74,566,000	67,665,000
Costs and expenses:
Cost of sales	3,176,000	2,985,000	10,343,000	10,156,000
Ferrellgas Finance Corp. [Member]
Costs and expenses:
General and administrative expense	932	17,419	2,400	19,275
Net earnings (loss)	$ (932)	$ (17,419)	$ (2,400)	$ (19,275)