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