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CANADIAN EMERGENCY WAGE SUBSIDY - Schedule of Canadian Emergency Wage Subsidy (Details) - CEWS receivable $ in Thousands, $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Jul. 31, 2021 USD ($) | Aug. 01, 2020 USD ($) | Jul. 31, 2021 CAD ($) | Jul. 31, 2021 USD ($) | Aug. 01, 2020 USD ($)
Unusual or Infrequent Item, or Both [Line Items] |  |  |  |  |
Total CEWS benefit | $ 836 | $ 0 | $ 52.2 | $ 41,280 | $ 0
Product |  |  |  |  |
Unusual or Infrequent Item, or Both [Line Items] |  |  |  |  |
Total CEWS benefit | 94 | 0 |  | 4,283 | 0
Service |  |  |  |  |
Unusual or Infrequent Item, or Both [Line Items] |  |  |  |  |
Total CEWS benefit | 47 | 0 |  | 2,667 | 0
CEWS benefit in cost of goods sold |  |  |  |  |
Unusual or Infrequent Item, or Both [Line Items] |  |  |  |  |
Total CEWS benefit | 141 | 0 |  | 6,950 | 0
Research and development |  |  |  |  |
Unusual or Infrequent Item, or Both [Line Items] |  |  |  |  |
Total CEWS benefit | 596 | 0 |  | 29,519 | 0
Sales and marketing |  |  |  |  |
Unusual or Infrequent Item, or Both [Line Items] |  |  |  |  |
Total CEWS benefit | 53 | 0 |  | 2,604 | 0
General and administrative |  |  |  |  |
Unusual or Infrequent Item, or Both [Line Items] |  |  |  |  |
Total CEWS benefit | 46 | 0 |  | 2,207 | 0
CEWS benefit in operating expense |  |  |  |  |
Unusual or Infrequent Item, or Both [Line Items] |  |  |  |  |
Total CEWS benefit | $ 695 | $ 0 |  | $ 34,330 | $ 0

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