Summary Of Significant Accounting Policies (Deferred Taxes Assets And Liabilities) (Details) (USD $) In Thousands	Jul. 31, 2011	Jul. 31, 2010
Deferred tax assets	$ 992	$ 1,030
Deferred tax liabilities	(3,194)	(2,481)
Net deferred tax liability	(2,202)	(1,451)
Ferrellgas, L.P. And Subsidiaries [Member]
Deferred tax assets	992	1,030
Deferred tax liabilities	(3,194)	(2,481)
Net deferred tax liability	$ (2,202)	$ (1,451)

For entities that net deferred tax assets and tax liabilities, represents the unclassified net amount of deferred tax assets and liabilities as of the balance sheet date, which result from applying the applicable enacted tax rate to net temporary differences and carryforwards pertaining to assets or liabilities. A temporary difference is a difference between the tax basis of an asset or liability and its carrying amount in the financial statements prepared in accordance with generally accepted accounting principles that will reverse in ensuing periods.

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The cumulative amount of all deferred tax liabilities, which result from applying the applicable tax rate to net taxable temporary differences pertaining to each jurisdiction to which the entity is obligated to pay income tax. A taxable temporary difference is a difference between the tax basis and the carrying amount of an asset or liability in the financial statements prepared in accordance with generally accepted accounting principles that will result in taxable amounts in one or more future periods.

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