Other Assets, net (Details) (USD $)	12 Months Ended
	Oct. 31, 2012	Oct. 31, 2011
Other Assets, net [Abstract]
Long-term stack residual value	$ 14,316,000	$ 15,092,000
Other	1,870,000	1,199,000
Other Assets, Net	16,186,000	16,291,000
Additions to long-term stack residual value	4,400,000	15,400,000
Accumulated depreciation on long-term stacks	$ 7,600,000	$ 2,400,000