Consolidated Statements of Comprehensive Income (USD $)	12 Months Ended
	Jul. 31, 2014	Jul. 31, 2013	Jul. 31, 2012
Comprehensive income (loss):
Net earnings (loss)	$ 33,715,000	$ 57,167,000	$ (10,896,000)
Other comprehensive income (loss):
Change in value on risk management derivatives	14,592,000	4,252,000	(25,068,000)
Reclassification of gains and losses of derivatives to earnings	(10,175,000)	10,613,000	7,108,000
Foreign currency translation adjustment	(145,000)	(147,000)	(52,000)
Pension liability adjustment	258,000	290,000	38,000
Other comprehensive income (loss)	4,530,000	15,008,000	(17,974,000)
Comprehensive income (loss)	38,245,000	72,175,000	(28,870,000)
Less: comprehensive income (loss) attributable to noncontrolling interest	(550,000)	(893,000)	126,000
Comprehensive income (loss) attributable to Ferrellgas Partners, LP	37,695,000	71,282,000	(28,744,000)
Ferrellgas, L.P. [Member]
Comprehensive income (loss):
Net earnings (loss)	49,907,000	73,375,000	5,589,000
Other comprehensive income (loss):
Change in value on risk management derivatives	14,592,000	4,252,000	(25,068,000)
Reclassification of gains and losses of derivatives to earnings	(10,175,000)	10,613,000	7,108,000
Foreign currency translation adjustment	(145,000)	(147,000)	(52,000)
Pension liability adjustment	258,000	290,000	38,000
Other comprehensive income (loss)	4,530,000	15,008,000	(17,974,000)
Comprehensive income (loss)	$ 54,437,000	$ 88,383,000	$ (12,385,000)