Condensed Consolidated Balance Sheets (USD $)	Jan. 31, 2012	Jul. 31, 2011
ASSETS
Cash and cash equivalents	$ 15,725,000	$ 7,437,000
Accounts and notes receivable, net	292,890,000	159,532,000
Inventories	170,479,000	136,139,000
Prepaid expenses and other current assets	26,389,000	23,885,000
Total current assets	505,483,000	326,993,000
Property, plant and equipment	641,013,000	642,205,000
Goodwill	248,944,000	248,944,000
Intangible assets	199,836,000	204,136,000
Other assets, net	40,397,000	38,308,000
Total assets	1,635,673,000	1,460,586,000
LIABILITIES AND PARTNERS' CAPITAL
Accounts payable	132,425,000	67,541,000
Short-term borrowings	56,037,000	64,927,000
Collateralized note payable	205,000,000	61,000,000
Other current liabilities	116,053,000	104,813,000
Total current liabilities	509,515,000	298,281,000
Long-term debt	1,032,993,000	1,050,920,000
Other liabilities	23,792,000	23,068,000
Contingencies and commitments
Partners' capital:
Common unitholders	127,508,000	139,614,000
General partner	(58,784,000)	(58,660,000)
Accumulated other comprehensive income (loss)	(1,889,000)	4,633,000
Total Ferrellgas Partners, L.P. partners' capital	66,835,000	85,587,000
Noncontrolling interest	2,538,000	2,730,000
Total partners' capital	69,373,000	88,317,000
Total liabilities and partners' capital	1,635,673,000	1,460,586,000
Ferrellgas Partners Finance Corp. [Member]
ASSETS
Cash	969	969
Total assets	969	969
LIABILITIES AND PARTNERS' CAPITAL
Contingencies and commitments
STOCKHOLDER'S EQUITY
Common stock, $1.00 par value; 2,000 shares authorized; 1,000 shares issued and outstanding	1,000	1,000
Additional paid in capital	9,095	8,920
Accumulated deficit	(9,126)	(8,951)
Total stockholder's equity	969	969
Ferrellgas, L.P. [Member]
ASSETS
Cash and cash equivalents	14,933,000	7,342,000
Accounts and notes receivable, net	292,890,000	159,532,000
Inventories	170,479,000	136,139,000
Prepaid expenses and other current assets	26,357,000	23,867,000
Total current assets	504,659,000	326,880,000
Property, plant and equipment	641,013,000	642,205,000
Goodwill	248,944,000	248,944,000
Intangible assets	199,836,000	204,136,000
Other assets, net	36,946,000	34,651,000
Total assets	1,631,398,000	1,456,816,000
LIABILITIES AND PARTNERS' CAPITAL
Accounts payable	132,425,000	67,541,000
Short-term borrowings	56,037,000	64,927,000
Collateralized note payable	205,000,000	61,000,000
Other current liabilities	113,600,000	102,674,000
Total current liabilities	507,062,000	296,142,000
Long-term debt	850,993,000	868,920,000
Other liabilities	23,792,000	23,068,000
Contingencies and commitments
Partners' capital:
Common unitholders	248,903,000	261,323,000
General partner	2,542,000	2,669,000
Accumulated other comprehensive income (loss)	(1,894,000)	4,694,000
Total partners' capital	249,551,000	268,686,000
Total liabilities and partners' capital	1,631,398,000	1,456,816,000
Ferrellgas Finance Corp. [Member]
ASSETS
Cash	1,100	1,100
Total assets	1,100	1,100
LIABILITIES AND PARTNERS' CAPITAL
Contingencies and commitments
STOCKHOLDER'S EQUITY
Common stock, $1.00 par value; 2,000 shares authorized; 1,000 shares issued and outstanding	1,000	1,000
Additional paid in capital	38,547	35,382
Accumulated deficit	(38,447)	(35,282)
Total stockholder's equity	$ 1,100	$ 1,100