Consolidated Statements Of Cash Flows (USD $)	9 Months Ended
	Apr. 30, 2015	Apr. 30, 2014
Cash flows provided by (used in) operating activities:
Net earnings (loss)	$ 89,422,000	$ 81,956,000
Reconciliation of net earnings to net cash provided by (used in) operating activities:
Depreciation and amortization expense	70,576,000	61,771,000
Non-cash employee stock ownership plan compensation charge	16,728,000	10,389,000
Non-cash stock-based compensation charge	19,701,000	16,182,000
Loss on disposal of assets	4,578,000	3,426,000
Non-cash loss on extinguishment of debt	0	6,526,000
Change in fair value of contingent consideration	(6,300,000)	0
Provision for doubtful accounts	3,194,000	3,797,000
Deferred tax expense	102,000	197,000
Other	2,731,000	4,368,000
Changes in operating assets and liabilities, net of effects from business acquisitions:
Accounts and notes receivable, net of securitization	(14,073,000)	(120,224,000)
Inventories	47,159,000	6,425,000
Prepaid expenses and other current assets	(17,675,000)	(6,028,000)
Accounts payable	(15,001,000)	29,193,000
Accrued interest expense	20,045,000	13,760,000
Other current liabilities	(19,127,000)	(5,141,000)
Other assets and liabilities	(6,996,000)	(2,718,000)
Net cash provided by (used in) operating activities	195,064,000	103,879,000
Cash flows provided by (used in) investing activities:
Business acquisitions, net of cash acquired	(68,902,000)	(7,077,000)
Capital expenditures	(51,321,000)	(41,222,000)
Proceeds from sale of assets	4,060,000	3,267,000
Other	0	(24,000)
Net cash used in investing activities	(116,163,000)	(45,056,000)
Cash flows provided by (used in) financing activities:
Distributions	(125,328,000)	(119,901,000)
Proceeds from issuance of long-term debt	107,951,000	459,952,000
Payments on long-term debt	(60,216,000)	(363,058,000)
Net additions to (reductions in) short-term borrowings	(69,519,000)	27,902,000
Net additions to collateralized short-term borrowings	26,000,000	73,000,000
Cash paid for financing costs	(204,000)	(7,925,000)
Proceeds from (Payments to) Noncontrolling Interests	(927,000)	(1,298,000)
Proceeds from exercise of common unit options	91,000	605,000
Proceeds from Issuance of Common Limited Partners Units	41,948,000	0
Contributions from partners	425,000	6,000
Net cash provided by (used in) financing activities	(79,779,000)	69,283,000
Effect of exchange rate changes on cash	(2,000)	(173,000)
Net change in cash and cash equivalents	(880,000)	127,933,000
Cash and cash equivalents - beginning of period	8,289,000	6,464,000
Cash and cash equivalents - end of period	7,409,000	134,397,000
Ferrellgas Partners Finance Corp. [Member]
Cash flows provided by (used in) operating activities:
Net earnings (loss)	(699)	(175)
Changes in operating assets and liabilities, net of effects from business acquisitions:
Net cash provided by (used in) operating activities	(699)	(175)
Cash flows provided by (used in) financing activities:
Capital contribution	730	175
Net cash provided by (used in) financing activities	730	175
Net change in cash	31	0
Cash - beginning of period	969	969
Cash - end of period	1,000	969
Ferrellgas, L.P. [Member]
Cash flows provided by (used in) operating activities:
Net earnings (loss)	101,676,000	94,086,000
Reconciliation of net earnings to net cash provided by (used in) operating activities:
Depreciation and amortization expense	70,576,000	61,771,000
Non-cash employee stock ownership plan compensation charge	16,728,000	10,389,000
Non-cash stock-based compensation charge	19,701,000	16,182,000
Loss on disposal of assets	4,578,000	3,426,000
Non-cash loss on extinguishment of debt	0	6,526,000
Change in fair value of contingent consideration	(6,300,000)	0
Provision for doubtful accounts	3,194,000	3,797,000
Deferred tax expense	102,000	197,000
Other	2,402,000	4,010,000
Changes in operating assets and liabilities, net of effects from business acquisitions:
Accounts and notes receivable, net of securitization	(14,073,000)	(120,224,000)
Inventories	47,159,000	6,425,000
Prepaid expenses and other current assets	(17,621,000)	(6,014,000)
Accounts payable	(15,001,000)	29,193,000
Accrued interest expense	16,121,000	9,838,000
Other current liabilities	(19,128,000)	(5,091,000)
Other assets and liabilities	(6,996,000)	(2,718,000)
Net cash provided by (used in) operating activities	203,118,000	111,793,000
Cash flows provided by (used in) investing activities:
Business acquisitions, net of cash acquired	(68,902,000)	(7,092,000)
Capital expenditures	(51,321,000)	(41,222,000)
Proceeds from sale of assets	4,060,000	3,267,000
Other	0	(24,000)
Net cash used in investing activities	(116,163,000)	(45,071,000)
Cash flows provided by (used in) financing activities:
Distributions	(134,535,000)	(129,054,000)
Proceeds from issuance of long-term debt	107,951,000	459,952,000
Payments on long-term debt	(60,216,000)	(363,058,000)
Net additions to (reductions in) short-term borrowings	(69,519,000)	27,902,000
Net additions to collateralized short-term borrowings	26,000,000	73,000,000
Cash paid for financing costs	(204,000)	(7,925,000)
Contributions from partners	42,655,000	606,000
Net cash provided by (used in) financing activities	(87,868,000)	61,423,000
Effect of exchange rate changes on cash	(2,000)	(173,000)
Net change in cash and cash equivalents	(915,000)	127,972,000
Cash and cash equivalents - beginning of period	8,283,000	6,307,000
Cash and cash equivalents - end of period	7,368,000	134,279,000
Ferrellgas Finance Corp. [Member]
Cash flows provided by (used in) operating activities:
Net earnings (loss)	(4,108)	(4,965)
Changes in operating assets and liabilities, net of effects from business acquisitions:
Net cash provided by (used in) operating activities	(4,108)	(4,965)
Cash flows provided by (used in) financing activities:
Capital contribution	4,108	4,965
Net cash provided by (used in) financing activities	4,108	4,965
Net change in cash	0	0
Cash - beginning of period	1,100	1,100
Cash - end of period	$ 1,100	$ 1,100