Condensed Consolidated Balance Sheets (USD $)	Jan. 31, 2013	Jul. 31, 2012
Current assets:
Cash and cash equivalents	$ 12,109,000	$ 8,429,000
Accounts and notes receivable, net	238,558,000	124,004,000
Inventories	130,073,000	127,598,000
Prepaid expenses and other current assets	30,069,000	29,315,000
Total current assets	410,809,000	289,346,000
Property, plant and equipment, net	610,984,000	626,551,000
Goodwill	248,944,000	248,944,000
Intangible assets, net	183,659,000	189,118,000
Other assets, net	48,603,000	43,320,000
Total assets	1,502,999,000	1,397,279,000
Current liabilities:
Accounts payable	103,379,000	47,824,000
Short-term borrowings	72,678,000	95,730,000
Collateralized note payable	134,000,000	74,000,000
Other current liabilities	122,915,000	122,667,000
Total current liabilities	432,972,000	340,221,000
Long-term debt	1,081,388,000	1,059,085,000
Other liabilities	30,960,000	25,499,000
Contingencies and commitments	0	0
Partners' capital (deficit)
Common unitholders	20,673,000	43,701,000
General partner unitholder	(59,863,000)	(59,630,000)
Accumulated other comprehensive income (loss)	(4,547,000)	(13,159,000)
Total Ferrellgas Partners, L.P. partners' deficit	(43,737,000)	(29,088,000)
Noncontrolling interest	1,416,000	1,562,000
Total partners' capital (deficit)	(42,321,000)	(27,526,000)
Total liabilities and partners' capital (deficit)	1,502,999,000	1,397,279,000
Ferrellgas Partners Finance Corp. [Member]
Current assets:
Cash	969	969
Total assets	969	969
Current liabilities:
Contingencies and commitments	0	0
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	11,134	10,919
Accumulated deficit	(11,165)	(10,950)
Total stockholder's equity	969	969
Ferrellgas, L.P. [Member]
Current assets:
Cash and cash equivalents	11,817,000	8,218,000
Accounts and notes receivable, net	238,558,000	124,004,000
Inventories	130,073,000	127,598,000
Prepaid expenses and other current assets	30,033,000	29,275,000
Total current assets	410,481,000	289,095,000
Property, plant and equipment, net	610,984,000	626,551,000
Goodwill	248,944,000	248,944,000
Intangible assets, net	183,659,000	189,118,000
Other assets, net	45,448,000	39,954,000
Total assets	1,499,516,000	1,393,662,000
Current liabilities:
Accounts payable	103,379,000	47,824,000
Short-term borrowings	72,678,000	95,730,000
Collateralized note payable	134,000,000	74,000,000
Other current liabilities	120,507,000	120,384,000
Total current liabilities	430,564,000	337,938,000
Long-term debt	899,388,000	877,085,000
Other liabilities	30,960,000	25,499,000
Contingencies and commitments	0	0
Partners' capital (deficit)
Common unitholders	141,735,000	164,737,000
General partner unitholder	1,450,000	1,683,000
Accumulated other comprehensive income (loss)	(4,581,000)	(13,280,000)
Total partners' capital (deficit)	138,604,000	153,140,000
Total liabilities and partners' capital (deficit)	1,499,516,000	1,393,662,000
Ferrellgas Finance Corp. [Member]
Current assets:
Cash	1,100	1,100
Total assets	1,100	1,100
Current liabilities:
Contingencies and commitments	0	0
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	43,546	38,871
Accumulated deficit	(43,446)	(38,771)
Total stockholder's equity	$ 1,100	$ 1,100