Supplemental Financial Statement Information (Other Current Liabilities) (Details) (USD $) In Thousands, unless otherwise specified	Jan. 31, 2015	Jul. 31, 2014
Accrued interest	$ 12,229us-gaap_InterestPayableCurrent	$ 12,182us-gaap_InterestPayableCurrent
Accrued payroll	17,465us-gaap_AccruedSalariesCurrent	37,120us-gaap_AccruedSalariesCurrent
Customer deposits and advances	24,772	25,412
Price risk management liabilities	34,488us-gaap_DerivativeLiabilitiesCurrent	83us-gaap_DerivativeLiabilitiesCurrent
Other	58,673us-gaap_OtherSundryLiabilitiesCurrent	50,364us-gaap_OtherSundryLiabilitiesCurrent
Other current liabilities	147,627us-gaap_OtherLiabilitiesCurrent	125,161us-gaap_OtherLiabilitiesCurrent
Ferrellgas, L.P. [Member]
Accrued interest	10,223	10,176
Accrued payroll	17,465	37,120
Customer deposits and advances	24,772	25,412
Price risk management liabilities	34,488	83
Other	58,672	50,362
Other current liabilities	$ 145,620	$ 123,153

Carrying value as of the balance sheet date of the obligations incurred through that date and payable for employees' services provided. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled within one year or normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.

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- Definition

Carrying value as of the balance sheet date of [accrued] interest payable on all forms of debt, including trade payables, that has been incurred and is unpaid. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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- Definition

Aggregate carrying amount of current liabilities (due within one year or within the normal operating cycle if longer) not separately disclosed in the balance sheet. Includes costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered and of liabilities not separately disclosed.

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