Document and Entity Information
 9 Months Ended
Apr. 30, 2011
May 31, 2011
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Apr. 30, 2011  
Document Fiscal Year Focus 2011  
Document Fiscal Period Focus Q3  
Entity Registrant Name FERRELLGAS PARTNERS L P  
Entity Central Index Key 0000922358  
Current Fiscal Year End Date --07-31  
Entity Filer Category Large Accelerated Filer  
Ferrellgas Partners, L.P. [Member]
    
Entity Common Stock, Shares Outstanding   75,900,760
Ferrellgas Partners Finance Corp. [Member]
    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Apr. 30, 2011  
Document Fiscal Year Focus 2011  
Document Fiscal Period Focus Q3  
Entity Registrant Name FERRELLGAS PARTNERS FINANCE CORP  
Entity Central Index Key 0001012493  
Current Fiscal Year End Date --07-31  
Entity Filer Category Non-accelerated Filer  
Entity Common Stock, Shares Outstanding   1,000
Ferrellgas, L.P. [Member]
    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Apr. 30, 2011  
Document Fiscal Year Focus 2011  
Document Fiscal Period Focus Q3  
Entity Registrant Name FERRELLGAS L P  
Entity Central Index Key 0000922359  
Current Fiscal Year End Date --07-31  
Entity Filer Category Non-accelerated Filer  
Entity Common Stock, Shares Outstanding    
Ferrellgas Finance Corp. [Member]
    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Apr. 30, 2011  
Document Fiscal Year Focus 2011  
Document Fiscal Period Focus Q3  
Entity Registrant Name FERRELLGAS FINANCE CORP  
Entity Central Index Key 0000922360  
Current Fiscal Year End Date --07-31  
Entity Filer Category Non-accelerated Filer  
Entity Common Stock, Shares Outstanding   1,000