Equity Method Investments (Tables)

3 Months Ended

Jan. 31, 2012

Equity Method Investments Tables [Abstract]

Related Party Transactions With Equity Method Investee Cardinal

For each period of thethree months ended January 31, 2012 and 2011, these transportation costs and the amounts we owed Cardinal as of January 31, 2012 and October 31, 2011 are as follows.

		Three Months
In thousands		2012		2011
Transportation costs	$	1,035	$	1,035
		January 31,		October 31,
		2012		2011
Trade accounts payable	$	349	$	349

Related Party Transactions With Equity Method Investee Pine Needle

For each period of the three monthsended January 31, 2012 and 2011, these gas storage costs and the amounts we owed Pine Needle as of January 31, 2012 and October 31, 2011 are as follows.

		Three Months
In thousands		2012		2011
Gas storage costs	$	2,519	$	2,926
		January 31,		October 31,
		2012		2011
Trade accounts payable	$	849	$	849

Related Party Transactions With Equity Method Investee SouthStar

For each period of the three monthsended January 31, 2012 and 2011, our operating revenues from these sales and the amounts SouthStar owedus as of January 31, 2012 and October 31, 2011 are as follows.

		Three Months
In thousands		2012		2011
Operating revenues	$	(112)	$	(31)
		January 31,		October 31,
		2012		2011
Trade accounts receivable	$	356	$	736

Related Party Transactions With Equity Method Investee Hardy

For each period of the three months ended January 31, 2012 and 2011, these gas storage costs and the amounts we owed Hardy Storage as of January 31, 2012 and October 31, 2011 are as follows.

		Three Months
In thousands		2012		2011
Gas storage costs	$	2,425	$	2,425
		January 31,		October 31,
		2012		2011
Trade accounts payable	$	808	$	808