Contingencies And Commitments (Contractual Operating Lease Commitments And Buyout Obligations) (Details) (USD $) In Thousands	Jul. 31, 2011
Ferrellgas, L.P. And Subsidiaries [Member] \| Operating Lease Obligations [Member]
2012	$ 20,998
2013	15,023
2014	11,680
2015	9,270
2016	7,401
Thereafter	10,880
Operating Lease Obligations [Member]
2012	20,998
2013	15,023
2014	11,680
2015	9,270
2016	7,401
Thereafter	10,880
Ferrellgas, L.P. And Subsidiaries [Member] \| Operating Lease Buyouts [Member]
2012	3,205
2013	1,456
2014	899
2015	787
2016	966
Thereafter	4,372
Operating Lease Buyouts [Member]
2012	3,205
2013	1,456
2014	899
2015	787
2016	966
Thereafter	$ 4,372

For leases having an initial or remaining non-cancelable letter-terms in excess of one year, required rental payments due within one year of the balance sheet date relating to leases defined as operating.

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For leases having an initial or remaining non-cancelable letter-terms in excess of one year, required rental payments due within the fifth year of the balance sheet date relating to leases defined as operating.

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- Definition

For leases having an initial or remaining non-cancelable letter-terms in excess of one year, required rental payments due within the fourth year of the balance sheet date relating to leases defined as operating.

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- Definition

For leases having an initial or remaining non-cancelable letter-terms in excess of one year, required rental payments due within the third year of the balance sheet date relating to leases defined as operating.

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- Definition

For leases having an initial or remaining non-cancelable letter-terms in excess of one year, required rental payments due within the second year of the balance sheet date relating to leases defined as operating.

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- Definition

For leases having an initial or remaining non-cancelable letter-terms in excess of one year, required rental payments due after the fifth year from the balance sheet date on leases defined as operating.

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