Transactions With Related Parties (Schedule Of Transactions With Related Parties) (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jan. 31, 2016 |
Jan. 31, 2015 |
Jan. 31, 2016 |
Jan. 31, 2015 |
|
| Related Party Transaction [Line Items] | ||||
| General and administrative expense | $ 10,072 | $ 10,872 | $ 29,216 | $ 34,267 |
| Ferrellgas, L.P. [Member] | ||||
| Related Party Transaction [Line Items] | ||||
| General and administrative expense | 9,674 | 10,872 | 28,818 | 34,267 |
| Compensation And Benefits [Member] | ||||
| Related Party Transaction [Line Items] | ||||
| Operating expense | 55,856 | 59,142 | 115,036 | 110,262 |
| General and administrative expense | 7,247 | 8,068 | 14,340 | 14,665 |
| Compensation And Benefits [Member] | Ferrellgas, L.P. [Member] | ||||
| Related Party Transaction [Line Items] | ||||
| Operating expense | 55,856 | 59,142 | 115,036 | 110,262 |
| General and administrative expense | $ 7,247 | $ 8,068 | $ 14,340 | $ 14,665 |