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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 |  |  |

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- Definition Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal through the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=84164817&loc=d3e45280-112737 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
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