Consolidated Statements of Operations Consolidated Statements of Operations Parentheticals - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jul. 31, 2015	Jul. 31, 2014	Jul. 31, 2015	Jul. 31, 2014
Product sales	$ 31,130	$ 32,315	$ 84,769	$ 94,482
Service agreements and license revenues	7,017	7,078	15,506	19,215
Advanced technologies contract revenues	3,209	3,783	11,351	12,187
Related Party [Member]
Product sales	27,800	18,600	66,100	75,300
Service agreements and license revenues	3,200	3,900	8,100	9,400
Advanced technologies contract revenues	$ 0	$ 230	$ 600	$ 330