Supplemental Financial Statement Information (Schedule Of Inventories) (Details) (USD $) In Thousands, unless otherwise specified	Apr. 30, 2014	Jul. 31, 2013
Propane gas and related products	$ 84,921	$ 94,946
Appliances, parts and supplies	25,800	22,170
Inventories	110,721	117,116
Ferrellgas, L.P. [Member]
Propane gas and related products	84,921	94,946
Appliances, parts and supplies	25,800	22,170
Inventories	$ 110,721	$ 117,116

Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 330

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

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-Section 45

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