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Financial Instruments and Risk Management - Foreign currency risk (Details)
€ in Thousands, £ in Thousands, $ in Thousands, $ in Thousands
12 Months Ended
Oct. 31, 2022
CAD ($)
Oct. 31, 2021
CAD ($)
Oct. 31, 2022
GBP (£)
Oct. 31, 2022
EUR (€)
Oct. 31, 2022
USD ($)
Disclosure of nature and extent of risks arising from financial instruments [line items]          
Percentage of fixed interest rate borrowings 58.00% 84.00% 58.00% 58.00% 58.00%
Accounts receivable $ 7,916 $ 6,494      
Accounts payable and accrued liabilities 26,887 18,532      
Foreign currency risk | Currency in which supplementary information is displayed          
Disclosure of nature and extent of risks arising from financial instruments [line items]          
Cash 4,391 4,032 £ 1,153 € 397 $ 2,841
Accounts receivable 1,754 889 292 536 926
Accounts payable and accrued liabilities (11,542) (4,406) (163) (1,805) (9,574)
Net monetary assets $ (5,397) 515 £ 1,282 € (872) $ (5,807)
United States dollars | Foreign currency risk | Currency in which supplementary information is displayed          
Disclosure of nature and extent of risks arising from financial instruments [line items]          
Percentage of increase in exchange rate 5.00%        
Percentage of decrease in exchange rate 5.00%        
Increase in impact of carrying value of net monetary assets $ 34 21      
Decrease in impact of carrying value of net monetary assets $ 34 21      
Euro | Foreign currency risk | Currency in which supplementary information is displayed          
Disclosure of nature and extent of risks arising from financial instruments [line items]          
Percentage of increase in exchange rate 5.00%        
Percentage of decrease in exchange rate 5.00%        
Increase in impact of carrying value of net monetary assets $ 38 29      
Decrease in impact of carrying value of net monetary assets $ 38 29      
GBP | Foreign currency risk | Currency in which supplementary information is displayed          
Disclosure of nature and extent of risks arising from financial instruments [line items]          
Percentage of increase in exchange rate 5.00%        
Percentage of decrease in exchange rate 5.00%        
Increase in impact of carrying value of net monetary assets $ 42 37      
Decrease in impact of carrying value of net monetary assets $ 42 $ 37