Basis of Presentation Prior Year Reclassification (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended	12 Months Ended
	Apr. 30, 2015	Apr. 30, 2015	Oct. 31, 2015
Cost of Sales [Member]
Prior Period Reclassification Adjustment	$ 7,875	$ 18,919
Prepaid Expenses and Other Current Assets [Member]
Prior Period Reclassification Adjustment		28,013
Other Assets [Member]
Prior Period Reclassification Adjustment		$ 1,879
Property, Plant and Equipment [Member]
Prior Period Reclassification Adjustment			$ 7,433