Consolidated Balance Sheets (Parenthetical) (USD $)	Jul. 31, 2014	Jul. 31, 2013
Accounts receivable pledged as collateral	$ 159,003,000	$ 130,025,000
Allowance for doubtful accounts	4,756,000	3,607,000
Common unitholders, units outstanding	81,228,237	79,072,819
General partner unitholder, units outstanding	820,487	798,715
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	159,003,000	130,025,000
Allowance for doubtful accounts	$ 4,756,000	$ 3,607,000
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