CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical) - USD ($) $ in Thousands	12 Months Ended
	Oct. 31, 2015	Oct. 31, 2014	Oct. 31, 2013
Statement of Cash Flows [Abstract]
Construction in Progress Expenditures Incurred but Not yet Paid	$ 5,523	$ 3,766	$ 743