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Accrued Liabilities (Details) - USD ($)
$ in Thousands
 12 Months Ended
Oct. 31, 2015
Oct. 31, 2014
Accrued Liabilities [Abstract]    
Accrued Payroll and Employee Benefits $ 3,914 $ 4,432
Accrued Contract and Operating Costs 0 34
Product Warranty Accrual 964 1,156
Reserve for Service Agreement Costs 3,437 3,882
Other Accrued Liabilities, Current 3,292 2,562
Accrued material purchase 7,568 0
Accrued Liabilities, Current 19,175 12,066
Product Warranty Accrual, Warranties Issued 600 2,400
Product Warranty Accrual, Payment and Adjustments $ 800 $ 1,200