CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	12 Months Ended
	Jul. 31, 2022	Jul. 31, 2021	Jul. 31, 2020
Cash flows from operating activities:
Net earnings (loss)	$ 148,860,000	$ (69,113,000)	$ (83,002,000)
Reconciliation of net earnings (loss) to net cash provided by operating activities:
Depreciation and amortization expense	89,897,000	85,382,000	80,481,000
Non-cash employee stock ownership plan compensation charge	3,170,000	3,215,000	2,871,000
Gain (loss) on asset sales and disposals	(6,618,000)	1,831,000	7,924,000
Loss on extinguishment of debt	0	104,834,000	37,399,000
Provision for expected credit losses	1,847,000	2,323,000	18,604,000
Deferred income tax expense	7,000	2,000	554,000
Other	6,848,000	8,681,000	12,583,000
Changes in operating assets and liabilities, net of effects from business acquisitions:
Accounts and notes receivable, net of securitization	(20,668,000)	(32,459,000)	(121,000)
Inventories	(26,808,000)	(15,715,000)	7,790,000
Prepaid expenses and other current assets	8,329,000	(5,995,000)	7,446,000
Accounts payable	9,223,000	13,789,000	1,223,000
Accrued interest expense	608,000	8,355,000	33,357,000
Other current liabilities	(39,769,000)	84,014,000	(3,430,000)
Other assets and liabilities	(14,461,000)	17,284,000	6,679,000
Net cash provided by operating activities	160,465,000	206,428,000	130,358,000
Cash flows from investing activities:
Business acquisitions, net of cash acquired	(19,679,000)	(6,567,000)	(10,195,000)
Capital expenditures	(95,249,000)	(59,442,000)	(70,455,000)
Proceeds from sale of assets	2,914,000	5,295,000	4,472,000
Cash payments to construct assets in connection with future lease transactions	(1,425,000)	(1,715,000)	(37,042,000)
Cash receipts in connection with leased vehicles	1,663,000	1,476,000	41,924,000
Net cash used in investing activities	(111,776,000)	(60,953,000)	(71,296,000)
Cash flows from financing activities:
Preferred unit distributions	(63,356,000)	(8,011,000)	0
Distributions	(99,996,000)	0	0
Proceeds from sale of preferred units, net of issue discount and offering cost	0	651,349,000	0
Fees in connection with Class B Unit exchange	0	(1,988,000)	0
Proceeds from issuance of long-term debt	0	1,475,000,000	703,750,000
Payments on long-term debt	(1,670,000)	(2,120,000)	(1,994,000)
Payment for settlement and early extinguishment of liabilities	0	(2,175,000,000)	(283,863,000)
Net reductions in short-term borrowings	0	0	(43,000,000)
Net reductions in collateralized short-term borrowings	0	0	(62,000,000)
Payment of redemption premium on debt extinguishment	0	(83,072,000)	(17,516,000)
Make-whole payments	0	(1,964,000)	0
Cash paid for financing costs	(337,000)	(44,290,000)	(29,458,000)
Noncontrolling interest activity	0	0	(158,000)
Cash payments for principal portion of lease liability	(6,545,000)	(7,188,000)	(2,116,000)
Net cash (used in) provided by financing activities	(171,904,000)	(197,284,000)	263,645,000
Net change in cash, cash equivalents and restricted cash	(123,215,000)	(51,809,000)	322,707,000
Cash, cash equivalents and restricted cash - beginning of period	281,952,000	333,761,000	11,054,000
Cash, cash equivalents and restricted cash - end of period	158,737,000	281,952,000	333,761,000
Ferrellgas, L.P. [Member]
Cash flows from operating activities:
Net earnings (loss)	151,129,000	(45,442,000)	(49,764,000)
Reconciliation of net earnings (loss) to net cash provided by operating activities:
Depreciation and amortization expense	89,897,000	85,382,000	80,481,000
Non-cash employee stock ownership plan compensation charge	3,170,000	3,215,000	2,871,000
Gain (loss) on asset sales and disposals	(6,618,000)	1,831,000	7,924,000
Loss on extinguishment of debt		107,971,000	37,399,000
Provision for expected credit losses	1,847,000	2,323,000	18,604,000
Deferred income tax expense	7,000	2,000	554,000
Other	6,850,000	8,680,000	11,301,000
Changes in operating assets and liabilities, net of effects from business acquisitions:
Accounts and notes receivable, net of securitization	(20,668,000)	(32,459,000)	(121,000)
Inventories	(26,808,000)	(15,715,000)	7,790,000
Prepaid expenses and other current assets	8,330,000	(6,022,000)	7,375,000
Accounts payable	9,223,000	13,789,000	1,223,000
Accrued interest expense	608,000	(5,416,000)	17,961,000
Other current liabilities	(39,828,000)	83,796,000	(3,430,000)
Other assets and liabilities	2,539,000	15,093,000	5,679,000
Net cash provided by operating activities	179,678,000	217,028,000	145,847,000
Cash flows from investing activities:
Business acquisitions, net of cash acquired	(19,679,000)	(6,567,000)	(10,195,000)
Capital expenditures	(95,249,000)	(59,442,000)	(70,455,000)
Proceeds from sale of assets	2,914,000	5,295,000	4,472,000
Cash payments to construct assets in connection with future lease transactions	(1,425,000)	(1,715,000)	(37,042,000)
Cash receipts in connection with leased vehicles	1,663,000	1,476,000	41,924,000
Loan to Ferrellgas Partners, L.P.		(14,810,000)
Net cash used in investing activities	(111,776,000)	(75,763,000)	(71,296,000)
Cash flows from financing activities:
Preferred unit distributions	(63,356,000)	(8,011,000)
Distributions	(119,216,000)		(15,654,000)
Proceeds from sale of preferred units, net of issue discount and offering cost		651,349,000
Proceeds from issuance of long-term debt		1,475,000,000	703,750,000
Payments on long-term debt	(1,670,000)	(2,120,000)	(1,994,000)
Payment for settlement and early extinguishment of liabilities		(2,175,000,000)	(283,863,000)
Net reductions in short-term borrowings			(43,000,000)
Net reductions in collateralized short-term borrowings			(62,000,000)
Payment of redemption premium on debt extinguishment		(83,072,000)	(17,516,000)
Cash paid for financing costs	(337,000)	(44,290,000)	(29,449,000)
Cash payments for principal portion of lease liability	(6,545,000)	(7,188,000)	(2,116,000)
Net cash (used in) provided by financing activities	(191,124,000)	(193,332,000)	248,158,000
Net change in cash, cash equivalents and restricted cash	(123,222,000)	(52,067,000)	322,709,000
Cash, cash equivalents and restricted cash - beginning of period	281,688,000	333,755,000	11,046,000
Cash, cash equivalents and restricted cash - end of period	158,466,000	281,688,000	333,755,000
Ferrellgas Partners Finance Corp. [Member]
Cash flows from operating activities:
Net earnings (loss)	(2,706)	(2,490)	(5,827)
Reconciliation of net earnings (loss) to net cash provided by operating activities:
Deferred income tax expense	0	0	0
Changes in operating assets and liabilities, net of effects from business acquisitions:
Prepaid expenses and other current assets		1,850	8
Other current liabilities	1,706
Net cash provided by operating activities	(1,000)	(640)	(5,819)
Cash flows from financing activities:
Capital contribution		640	5,819
Net cash (used in) provided by financing activities		640	5,819
Net change in cash, cash equivalents and restricted cash	(1,000)	0	0
Cash, cash equivalents and restricted cash - beginning of period	1,000	1,000	1,000
Cash, cash equivalents and restricted cash - end of period		1,000	1,000
Ferrellgas Finance Corp. [Member]
Cash flows from operating activities:
Net earnings (loss)	(2,400)	(19,941)	(6,010)
Reconciliation of net earnings (loss) to net cash provided by operating activities:
Deferred income tax expense	0	0	0
Changes in operating assets and liabilities, net of effects from business acquisitions:
Prepaid expenses and other current assets	0	1,500	341
Net cash provided by operating activities	(2,400)	(18,441)	(5,669)
Cash flows from financing activities:
Capital contribution	1,300	18,441	5,669
Net cash (used in) provided by financing activities	1,300	18,441	5,669
Net change in cash, cash equivalents and restricted cash	(1,100)	0	0
Cash, cash equivalents and restricted cash - beginning of period	$ 1,100	1,100	1,100
Cash, cash equivalents and restricted cash - end of period		$ 1,100	$ 1,100