Commitment & Contingencies (Details) (USD $)				6 Months Ended
	Apr. 30, 2014	Apr. 30, 2014 Letter Of Credit [Member]	Oct. 31, 2013 Letter Of Credit [Member]	Apr. 30, 2014 Pipeline And Storage Capacity Contacts [Member] Maximum [Member]	Apr. 30, 2014 Gas Supply Contracts [Member] Maximum [Member]	Apr. 30, 2014 Telecommunications And Technology Outsourcing Contracts [Member] Maximum [Member]	Apr. 30, 2014 Manufactured Gas Plant Sites [Member]	Apr. 30, 2014 Huntersville Groundwater LNG, LNG Facilities And Underground Storage Tank Liability [Member]
Commitments And Contingencies Disclosure [Abstract]
Number Of Regulatory Commissions	3
Site Contingency [Line Items]
Accrual For Environmental Loss Contingencies Gross	$ 1,200,000						$ 1,100,000	$ 100,000
Long Term Purchase Commitment [Line Items]
Long Term Purchase Commitment Time Period				21 years	3 years	5 years
Line Of Credit Facility [Line Items]
Credit Facility Amount Outstanding		$ 1,800,000	$ 2,100,000