Other Assets, net (Details) (USD $)	12 Months Ended
	Oct. 31, 2013	Oct. 31, 2012	Oct. 31, 2011
Cost of Services	$ 29,683,000	$ 19,045,000	$ 30,825,000
Long-term stack residual value	2,898,000	14,316,000
Deferred Finance Costs, Noncurrent, Net	1,721,000	0
Other	846,000	1,870,000
Other Assets, Net	5,465,000	16,186,000
additions to long-term stack residual value	500,000	4,400,000
Accumulated depreciation on long-term stacks	2,100,000	7,600,000
POSCO Energy [Member]
Cost of Services	$ 8,400,000