Subsequent Events
6 Months Ended
Jan. 31, 2016
Subsequent Events
Subsequent events
 
Ferrellgas evaluated events and transactions occurring after the balance sheet date through the date Ferrellgas' condensed consolidated financial statements were issued and concluded that, other than as discussed below, there were no events or transactions occurring during this period that require recognition or disclosure in its condensed consolidated financial statements.
Ferrellgas, L.P. [Member]  
Subsequent Events
Subsequent events
 
Ferrellgas, L.P. evaluated events and transactions occurring after the balance sheet date through the date Ferrellgas L.P.'s condensed consolidated financial statements were issued and concluded that, other than as discussed below, there were no events or transactions occurring during this period that require recognition or disclosure in its condensed consolidated financial statements.