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Inventories (Details) - USD ($)
$ in Thousands
Jan. 31, 2016
Oct. 31, 2015
Inventory Disclosure [Abstract]    
Raw Materials $ 24,808 $ 31,864
Work-in-process 15,933 10,994
Finished goods 20,179 15,321
Total inventory 60,920 58,179
Inventory Valuation Reserves $ 2,927 $ 2,347