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Restructuring - Additional Information (Details) |  |  | 12 Months Ended
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Nov. 30, 2016 MW | Nov. 29, 2016 MW | Oct. 31, 2018 USD ($) Rate | Oct. 31, 2017 USD ($) | Oct. 31, 2016 USD ($)
Restructuring And Related Activities [Abstract] |  |  |  |  |
Business restructuring, date |  |  | Nov. 30, 2016 |  |
Restructuring and Related Cost, Expected Number of Positions Eliminated |  |  | 96 |  |
Restructuring and Related Cost, Number of Positions Eliminated, Inception to Date Percent | Rate |  |  | 17.00% |  |
Restructuring activity, production rate | MW | 25 | 50 |  |  |
Restructuring Charges | $ |  |  | $ 0 | $ 1,355,000 | $ 0

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- Definition Date the exit and disposal activities were completed or are expected to be completed, in CCYY-MM-DD format. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(a)) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 + Details
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