XML 103 R89.htm IDEA: XBRL DOCUMENT v3.8.0.1
Commitments and Contingencies - Additional Information (Details)
$ in Thousands
 12 Months Ended
Oct. 31, 2017
USD ($)
ft²
Oct. 31, 2016
USD ($)
Oct. 31, 2015
USD ($)
Nov. 09, 2015
USD ($)
Commitments And Contingencies [Line Items]        
Capitalized lease obligations $ 632 $ 660    
Lease Payment Terms 36 months      
Operating Leases, Rent Expense, Net $ 1,600 1,800 $ 1,700  
Reserve for performance guarantees 2,200 3,300    
Loss reserve on service agreements 1,100 2,700    
Recorded Unconditional Purchase Obligation 29,100      
CT Department of Economic & Community Development [Member]        
Commitments And Contingencies [Line Items]        
Debt Instrument, Face Amount $ 10,000 $ 10,000   $ 10,000
Promissory Note [Member]        
Commitments And Contingencies [Line Items]        
Debt Instrument, Face Amount       10,000
State of Connecticut [Member]        
Commitments And Contingencies [Line Items]        
Debt Instrument, Face Amount       $ 10,000
Torrington, Connecticut [Member]        
Commitments And Contingencies [Line Items]        
Area of existing of manufacturing facility | ft² 65,000      
Area of expansion of manufacturing facility | ft² 102,000      
Area of manufacturing facility | ft² 167,000