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Convertible unsecured senior notes (Tables)
 12 Months Ended
Nov. 30, 2023
Convertible Unsecured Senior Notes [Abstract]  
Summary of deferred tax related to equity component of convertible unsecured senior notes
The movement in the carrying value of the convertible unsecured senior notes is as follows:
 
 
 
   
Convertible unsecured senior notes as at November 30, 2021
  
$
54,227
   
Changes from financing cash flows:
  
      
   
Cash paid on repurchase
  
 
(28,546)

   
Transaction costs incurred
  
 
(73)

   
Other changes:
  
    
   
Gain on repurchase
  
 
(357)
   
Accretion expense
  
 
1,644
 
 
   
Convertible unsecured senior notes as at November 30, 2022
  
$
26,895
   
Changes from financing cash flows:
  
    
   
Cash paid on repurchase
  
 
(27,452)
   
Other changes:
  
    
   
Conversion
  
 
(15)
   
 
  
    
   
Accretion expense
  
 
572
 
 
   
Convertible unsecured senior notes as at November 30, 2023
  
$
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