Segment and Entity Wide Disclosures (Details 2) (Customer Concentration Risk [Member], Sales Revenue, Goods, Net [Member], USD $) In Thousands, unless otherwise specified	3 Months Ended			6 Months Ended
	Apr. 30, 2014		Apr. 30, 2013	Apr. 30, 2014		Apr. 30, 2013
Revenue, Major Customer [Line Items]
Revenue	$ 120,582		$ 158,824	$ 221,044		$ 278,566
Company A [Member]
Revenue, Major Customer [Line Items]
Revenue	120,582		101,531	221,044		173,210
Company B [Member]
Revenue, Major Customer [Line Items]
Revenue		[1]	$ 57,293		[1]	$ 105,356

[1] Denotes revenue representing less than 10% of total revenue for the period