Consolidated Statements of Operations (Parenthetical) - USD ($) $ in Thousands	12 Months Ended
	Oct. 31, 2016	Oct. 31, 2015	Oct. 31, 2014
Product sales	$ 62,563	$ 128,595	$ 136,842
Service agreements and license revenues	32,758	21,012	25,956
Advanced technologies contract revenues	12,931	13,470	17,495
Related Party [Member]
Product sales	43,600	100,500	115,000
Service agreements and license revenues	8,500	11,400	14,900
Advanced technologies contract revenues	$ 0	$ 600	$ 400