Significant Transactions (Details)	3 Months Ended
	Jan. 31, 2017	Oct. 31, 2016 USD ($) shares MMBbls	Oct. 31, 2015 USD ($)	Jul. 31, 2016 USD ($) shares
Payments for Repurchase of Common Stock		$ (15,851,000)	$ 0
Energy Related Inventory, Crude Oil and Natural Gas Liquids		23,000
Promissory note description		0.25
Notes Receivable, Related Parties, Current		$ 8,055,000		$ 5,000,000
Limited Partners' Capital Account, Units Outstanding | shares		97,152,665		98,002,665
Concentration Risk, Customer		0.6
Long-term Purchase Commitment, Minimum Volume Required | MMBbls		65
Oil and Gas Delivery Commitments and Contracts, Remaining Contractual Volume | MMBbls		35
Jamex Marketing, LLC [Member]
Loans and Leases Receivable, Related Parties, Proceeds		$ 49,500,000
Notes Receivable, Related Parties		20,000,000
Increase (Decrease) in Notes Receivable, Related Parties, Current		5,000,000
Payments for Repurchase of Common Stock		$ 16,900,000
Partners' Capital Account, Units, Treasury Units Purchased | shares		900,000
Related Party Transaction, Rate	2.80%	7.00%
Loans and Leases Receivable, Commitments, Fixed Rates		$ 0
Loans and Leases Receivable, Related Parties, Description		10
Ferrellgas, L.P. [Member]
Energy Related Inventory, Crude Oil and Natural Gas Liquids		$ 23,000
Promissory note description		0.25
Notes Receivable, Related Parties, Current		$ 8,055,000		$ 5,000,000
Concentration Risk, Customer		0.6
Long-term Purchase Commitment, Minimum Volume Required | MMBbls		65
Oil and Gas Delivery Commitments and Contracts, Remaining Contractual Volume | MMBbls		35
Ferrellgas, L.P. [Member] | Jamex Marketing, LLC [Member]
Loans and Leases Receivable, Related Parties, Proceeds		$ 49,500,000
Notes Receivable, Related Parties		20,000,000
Increase (Decrease) in Notes Receivable, Related Parties, Current		5,000,000
Payments for Repurchase of Common Stock		$ 16,900,000
Partners' Capital Account, Units, Treasury Units Purchased | shares		900,000
Related Party Transaction, Rate	2.80%	7.00%
Loans and Leases Receivable, Commitments, Fixed Rates		$ 0
Loans and Leases Receivable, Related Parties, Description		10