Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data	Jul. 31, 2011	Jul. 31, 2010
Common stock, shares outstanding	20,300,000
Ferrellgas Partners, LP. [Member]
Accounts receivable pledged as collateral	$ 112,509	$ 0
Allowance for doubtful accounts, net	4,310	5,010
Common unitholders, units outstanding	75,966,353	69,521,818
General partner unitholder, units outstanding	767,337	702,241
Ferrellgas Partners Finance Corp. [Member]
Common stock, par value	$ 1	$ 1
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. And Subsidiaries [Member]
Accounts receivable pledged as collateral	112,509	0
Allowance for doubtful accounts, net	$ 4,310	$ 5,010
Ferrellgas Finance Corp. [Member]
Common stock, par value	$ 1	$ 1
Common stock, shares authorized	2,000	2,000
Common stock, shares issued	1,000	1,000
Common stock, shares outstanding	1,000	1,000