Consolidated Balance Sheets (Parenthetical) (USD $)	Jul. 31, 2013	Jul. 31, 2012
Accounts receivable pledged as collateral	$ 130,025,000	$ 121,812,000
Allowance for doubtful accounts	3,607,000	3,812,000
Common unitholders, units outstanding	79,072,819	79,006,619
General partner unitholder, units outstanding	798,715	798,047
Ferrellgas Partners Finance Corp. [Member]
Common stock, par value	$ 1.00	$ 1.00
Common stock, shares authorized	2,000	2,000
Common stock, shares issued	1,000	1,000
Common stock, shares outstanding	1,000	1,000
Ferrellgas, L.P. [Member]
Accounts receivable pledged as collateral	130,025,000	121,812,000
Allowance for doubtful accounts	$ 3,607,000	$ 3,812,000
Ferrellgas Finance Corp. [Member]
Common stock, par value	$ 1.00	$ 1.00
Common stock, shares authorized	2,000	2,000
Common stock, shares issued	1,000	1,000
Common stock, shares outstanding	1,000	1,000