Contingencies And Commitments (Contractual Operating Lease Commitments And Buyouts) (Details) (USD $) In Thousands, unless otherwise specified	Jul. 31, 2014
Operating Lease Obligations [Member]
Operating Leased Assets [Line Items]
2015	$ 31,635
2016	26,182
2017	21,120
2018	16,456
2019	11,798
Thereafter	11,884
Operating Lease Obligations [Member] \| Ferrellgas, L.P. [Member]
Operating Leased Assets [Line Items]
2015	31,635
2016	26,182
2017	21,120
2018	16,456
2019	11,798
Thereafter	11,884
Operating Lease Buyouts [Member]
Operating Leased Assets [Line Items]
2015	1,448
2016	2,054
2017	1,509
2018	2,746
2019	2,893
Thereafter	6,649
Operating Lease Buyouts [Member] \| Ferrellgas, L.P. [Member]
Operating Leased Assets [Line Items]
2015	1,448
2016	2,054
2017	1,509
2018	2,746
2019	2,893
Thereafter	$ 6,649

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Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

Reference 1: 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

Reference 2: 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

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Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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