Contingencies And Commitments (Contractual Operating Lease Commitments And Buyouts) (Details) (USD $) In Thousands, unless otherwise specified	Jul. 31, 2013
Operating Lease Obligations [Member]
Operating Leased Assets [Line Items]
2014	$ 24,500
2015	19,785
2016	16,165
2017	12,644
2018	9,702
Thereafter	7,511
Operating Lease Obligations [Member] \| Ferrellgas, L.P. [Member]
Operating Leased Assets [Line Items]
2014	24,500
2015	19,785
2016	16,165
2017	12,644
2018	9,702
Thereafter	7,511
Operating Lease Buyouts [Member]
Operating Leased Assets [Line Items]
2014	1,682
2015	1,230
2016	1,083
2017	1,327
2018	2,746
Thereafter	5,433
Operating Lease Buyouts [Member] \| Ferrellgas, L.P. [Member]
Operating Leased Assets [Line Items]
2014	1,682
2015	1,230
2016	1,083
2017	1,327
2018	2,746
Thereafter	$ 5,433

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Amount of required minimum rental payments maturing in the next fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 10

-Section 55

-Paragraph 40

-Subparagraph (Note 3)

-URI http://asc.fasb.org/extlink&oid=6584154&loc=d3e38371-112697

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 20

-Section 50

-Paragraph 2

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=6453985&loc=d3e41502-112717

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Amount of required minimum rental payments maturing in the fifth fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year.

+ References

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Amount of required minimum rental payments maturing in the forth fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year.

+ References

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Amount of required minimum rental payments maturing in the third fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year.

+ References

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Amount of required minimum rental payments maturing in the second fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year.

+ References

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Amount of required minimum rental payments maturing after the fifth fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year.

+ References

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