Condensed Consolidated Statements of Comprehensive Income (USD $)	3 Months Ended		6 Months Ended
	Jan. 31, 2013	Jan. 31, 2012	Jan. 31, 2013	Jan. 31, 2012
Net earnings (loss)	$ 58,843,000	$ 36,787,000	$ 41,047,000	$ 3,892,000
Other comprehensive income (loss):
Change in value on risk management derivatives	(6,205,000)	(1,347,000)	71,000	(3,875,000)
Reclassification of gains and losses of derivatives to earnings	4,434,000	(834,000)	8,625,000	(2,713,000)
Foreign currency translation adjustment	1,000	(2,000)	3,000	0
Other comprehensive income (loss)	(1,770,000)	(2,183,000)	8,699,000	(6,588,000)
Comprehensive income (loss)	57,073,000	34,604,000	49,746,000	(2,696,000)
Less: comprehensive income attributable to noncontrolling interest	618,000	392,000	585,000	56,000
Comprehensive income (loss) attributable to Ferrellgas Partners, LP	56,455,000	34,212,000	49,161,000	(2,752,000)
Ferrellgas, L.P. [Member]
Net earnings (loss)	62,953,000	40,884,000	49,261,000	12,082,000
Other comprehensive income (loss):
Change in value on risk management derivatives	(6,205,000)	(1,347,000)	71,000	(3,875,000)
Reclassification of gains and losses of derivatives to earnings	4,434,000	(834,000)	8,625,000	(2,713,000)
Foreign currency translation adjustment	1,000	(2,000)	3,000	0
Other comprehensive income (loss)	(1,770,000)	(2,183,000)	8,699,000	(6,588,000)
Comprehensive income (loss)	$ 61,183,000	$ 38,701,000	$ 57,960,000	$ 5,494,000