Summary Of Significant Accounting Policies (Significant Cash And Non-Cash Activities) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Oct. 31, 2013	Oct. 31, 2012
Cash Paid For [Abstract]
Interest	$ 15,842	$ 16,027
Income taxes	0	18
Non-Cash Investing Activities [Abstract]
Liabilities incurred in connection with acquisitions	0	743
Change in accruals for property, plant and equipment additions	1,244	227
Ferrellgas, L.P. [Member]
Cash Paid For [Abstract]
Interest	15,842	16,027
Income taxes	0	18
Non-Cash Investing Activities [Abstract]
Liabilities incurred in connection with acquisitions	0	743
Change in accruals for property, plant and equipment additions	$ 1,244	$ 227