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Commitments and Contingencies (Details) - USD ($)
$ in Thousands
 3 Months Ended
Nov. 10, 2015
Jan. 31, 2017
Oct. 31, 2016
Nov. 09, 2015
Capital Lease Obligations   $ 774 $ 660  
Lease Payment Terms   36 months    
Operating leases, due in one year   $ 1,406    
Operating Leases, due in two years   1,138    
Operating leases, due in three years   784    
Operating leases, due in four years   319    
Operating leases, due in five years   373    
Operating leases, due thereafter   3,289    
Operating Leases, Future Minimum Payments Due   7,309    
Capital Leases, Future Minimum Payments Due, Next Twelve Months   386    
Capital Leases, Future Minimum Payments Due in Two Years   263    
Capital Leases, Future Minimum Payments Due in Three Years   120    
Capital Leases, Future Minimum Payments Due in Four Years   5    
Capital Leases, Future Minimum Payments Due in Five Years   0    
Capital Leases, Future Minimum Payments Due Thereafter   0    
Capital Leases, Future Minimum Payments Due   774    
loss reserve on service agreements   1,000 2,700  
reserve for performance guarantees   3,100 $ 3,300  
Tax Adjustments, Settlements, and Unusual Provisions   10,000    
Planned expenditures Phase 1 $ 23,000      
Recorded Unconditional Purchase Obligation   $ 43,700    
CT Dept of Economic & Community Development [Member]        
Debt Instrument, Face Amount       $ 10,000