Consolidated Statements Of Cash Flows (USD $)	6 Months Ended
	Jan. 31, 2015	Jan. 31, 2014
Cash flows provided by (used in) operating activities:
Net earnings (loss)	$ 53,202,000	$ 36,066,000
Reconciliation of net earnings to net cash provided by (used in) operating activities:
Depreciation and amortization expense	47,252,000	40,858,000
Non-cash employee stock ownership plan compensation charge	8,162,000	6,679,000
Non-cash stock-based compensation charge	16,430,000	10,350,000
Loss on disposal of assets	2,375,000	1,694,000
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	1,859,000	2,105,000
Deferred tax expense	157,000	616,000
Other	1,698,000	1,823,000
Changes in operating assets and liabilities, net of effects from business acquisitions:
Accounts and notes receivable, net of securitization	(96,797,000)	(227,911,000)
Inventories	13,696,000	(18,526,000)
Prepaid expenses and other current assets	(38,477,000)	(10,134,000)
Accounts payable	32,126,000	87,395,000
Accrued interest expense	47,000	(3,809,000)
Other current liabilities	(9,905,000)	(4,615,000)
Other assets and liabilities	(11,817,000)	721,000
Net cash provided by (used in) operating activities	13,708,000	(70,162,000)
Cash flows provided by (used in) investing activities:
Business acquisitions, net of cash acquired	(68,655,000)	(5,227,000)
Capital expenditures	(29,413,000)	(22,873,000)
Proceeds from sale of assets	2,729,000	2,482,000
Other	0	(8,000)
Net cash used in investing activities	(95,339,000)	(25,626,000)
Cash flows provided by (used in) financing activities:
Distributions	(83,551,000)	(79,907,000)
Proceeds from issuance of long-term debt	90,643,000	369,493,000
Payments on long-term debt	(45,063,000)	(327,563,000)
Net additions to (reductions in) short-term borrowings	(2,088,000)	16,991,000
Net additions to collateralized short-term borrowings	84,000,000	137,000,000
Cash paid for financing costs	(204,000)	(7,473,000)
Proceeds from (Payments to) Noncontrolling Interests	(501,000)	(896,000)
Proceeds from exercise of common unit options	91,000	106,000
Proceeds from Issuance of Common Limited Partners Units	41,948,000	0
Contributions from partners	425,000	0
Net cash provided by (used in) financing activities	85,700,000	107,751,000
Effect of exchange rate changes on cash	(2,000)	(135,000)
Net change in cash and cash equivalents	4,067,000	11,828,000
Cash and cash equivalents - beginning of period	8,289,000	6,464,000
Cash and cash equivalents - end of period	12,356,000	18,292,000
Ferrellgas Partners Finance Corp. [Member]
Cash flows provided by (used in) operating activities:
Net earnings (loss)	(150)	(50)
Changes in operating assets and liabilities, net of effects from business acquisitions:
Net cash provided by (used in) operating activities	(150)	(50)
Cash flows provided by (used in) financing activities:
Capital contribution	90	50
Net cash provided by (used in) financing activities	90	50
Net change in cash	(60)	0
Cash - beginning of period	969	969
Cash - end of period	909	969
Ferrellgas, L.P. [Member]
Cash flows provided by (used in) operating activities:
Net earnings (loss)	61,272,000	44,033,000
Reconciliation of net earnings to net cash provided by (used in) operating activities:
Depreciation and amortization expense	47,252,000	40,858,000
Non-cash employee stock ownership plan compensation charge	8,162,000	6,679,000
Non-cash stock-based compensation charge	16,430,000	10,350,000
Loss on disposal of assets	2,375,000	1,694,000
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	1,859,000	2,105,000
Deferred tax expense	157,000	616,000
Other	1,479,000	1,582,000
Changes in operating assets and liabilities, net of effects from business acquisitions:
Accounts and notes receivable, net of securitization	(96,797,000)	(227,911,000)
Inventories	13,696,000	(18,526,000)
Prepaid expenses and other current assets	(38,426,000)	(10,120,000)
Accounts payable	32,126,000	87,395,000
Accrued interest expense	47,000	(3,810,000)
Other current liabilities	(9,904,000)	(4,595,000)
Other assets and liabilities	(11,817,000)	721,000
Net cash provided by (used in) operating activities	21,611,000	(62,403,000)
Cash flows provided by (used in) investing activities:
Business acquisitions, net of cash acquired	(68,655,000)	(5,242,000)
Capital expenditures	(29,413,000)	(22,873,000)
Proceeds from sale of assets	2,729,000	2,482,000
Other	0	(8,000)
Net cash used in investing activities	(95,339,000)	(25,641,000)
Cash flows provided by (used in) financing activities:
Distributions	(92,332,000)	(88,652,000)
Proceeds from issuance of long-term debt	90,643,000	369,493,000
Payments on long-term debt	(45,063,000)	(327,563,000)
Net additions to (reductions in) short-term borrowings	(2,088,000)	16,991,000
Net additions to collateralized short-term borrowings	84,000,000	137,000,000
Cash paid for financing costs	(204,000)	(7,473,000)
Contributions from partners	42,655,000	252,000
Net cash provided by (used in) financing activities	77,611,000	100,048,000
Effect of exchange rate changes on cash	(2,000)	(135,000)
Net change in cash and cash equivalents	3,881,000	11,869,000
Cash and cash equivalents - beginning of period	8,283,000	6,307,000
Cash and cash equivalents - end of period	12,164,000	18,176,000
Ferrellgas Finance Corp. [Member]
Cash flows provided by (used in) operating activities:
Net earnings (loss)	(3,560)	(4,840)
Changes in operating assets and liabilities, net of effects from business acquisitions:
Net cash provided by (used in) operating activities	(3,560)	(4,840)
Cash flows provided by (used in) financing activities:
Capital contribution	3,450	4,840
Net cash provided by (used in) financing activities	3,450	4,840
Net change in cash	(110)	0
Cash - beginning of period	1,100	1,100
Cash - end of period	$ 990	$ 1,100