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CANADIAN EMERGENCY WAGE SUBSIDY - Narrative (Details) $ in Thousands, $ in Millions | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Apr. 30, 2022 USD ($) | May 01, 2021 CAD ($) | May 01, 2021 USD ($) | Apr. 30, 2022 USD ($) | May 01, 2021 CAD ($) | May 01, 2021 USD ($) | Oct. 31, 2020 CAD ($) | Oct. 31, 2020 USD ($)
Canadian Emergency Wage Subsidy |  |  |  |  |  |  |  |
Unusual or Infrequent Item, or Both [Line Items] |  |  |  |  |  |  |  |
Total CEWS benefit | $ 0 | $ 51.1 | $ 40,444 | $ 0 | $ 51.1 | $ 40,444 |  |
Grants, Canada Emergency Wage Subsidy, 2020 Employee Wages |  |  |  |  |  |  |  |
Unusual or Infrequent Item, or Both [Line Items] |  |  |  |  |  |  |  |
Total CEWS benefit |  |  |  |  |  |  | $ 43.9 | $ 34,700

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