Segment and Entity Wide Disclosures (Details 2) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Jul. 31, 2012	Jul. 31, 2011	Jul. 31, 2012	Jul. 31, 2011
Customer Concentration Risk [Member] | Sales Revenue, Goods, Net [Member]
Revenue, Major Customer [Line Items]
Revenue	$ 0	$ 75,068	$ 195,308	$ 333,730
Customer Concentration Risk [Member] | Sales Revenue, Goods, Net [Member] | Company A [Member]
Revenue, Major Customer [Line Items]
Revenue		75,068	195,308	202,009
Customer Concentration Risk [Member] | Sales Revenue, Goods, Net [Member] | Company B [Member]
Revenue, Major Customer [Line Items]
Revenue				$ 131,721
Minimum [Member] | Customer Concentration Risk [Member] | Sales Revenue, Goods, Net [Member]
Revenue, Major Customer [Line Items]
Revenue, Net, Percentage	10.00%
Maximum [Member] | Company A [Member]
Revenue, Major Customer [Line Items]
Revenue, Net, Percentage	10.00%
Maximum [Member] | Company B [Member]
Revenue, Major Customer [Line Items]
Revenue, Net, Percentage	10.00%	10.00%	10.00%