Consolidated Statements of Operations (Parenthetical) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Oct. 31, 2014	Oct. 31, 2013	Oct. 31, 2012
Product sales	$ 136,842us-gaap_SalesRevenueGoodsNet	$ 145,071us-gaap_SalesRevenueGoodsNet	$ 94,950us-gaap_SalesRevenueGoodsNet
Service agreements and license revenues	25,956us-gaap_SalesRevenueServicesNet	28,141us-gaap_SalesRevenueServicesNet	18,183us-gaap_SalesRevenueServicesNet
Advanced technologies contract revenues	17,495	14,446	7,470
Related Party [Member]
Product sales	115,000	81,600	83,900
Service agreements and license revenues	14,900	20,100	8,400
Advanced technologies contract revenues	$ 400	$ 300	$ 20

The amount of compensation earned (contract income) under a research and development arrangement accounted for as a contract to perform research and development for others.

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