v3.26.1
Share-Based Compensation - Additional Information (Details) - CAD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Sep. 25, 2023
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2024
Mar. 31, 2023
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Options extended period 10 years        
Number of common shares reserved for issuance upon exercise or vesting of Awards   0      
Weighted average exercise price of options outstanding   $ 4.19 [1] $ 32.81 $ 271.2 $ 271.20
Weighted average exercise price of options exercisable   $ 10.06 $ 63.41    
Replacement options issued [1]   230,515      
Weighted average exercise price, Replacement options issued [1]   $ 1.55      
Replacement compensation options   70,515      
Replacement compensation option exercisable description   Each compensation option is exercisable for one Canopy Share and one half of one Canopy Growth warrant. Each whole Canopy Growth warrant is exercisable to acquire one Canopy Share until September 19, 2028 at an exercise price of $2.61 per Canopy Share.      
Replacement compensation options exercise price   $ 1.59      
Share-based compensation   $ 4,266 $ (4,205) $ 14,180  
MTL Cannabis Corp.          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Replacement options issued   230,515      
Weighted average exercise price, Replacement options issued   $ 1.55      
Replacement compensation options   70,515      
Replacement compensation option exercisable description   Included in the replacement option balance was 70,515 compensation options which are exercisable for one Canopy Share and one half of one Canopy Growth warrant. Each whole Canopy Growth warrant is exercisable to acquire one Canopy Share at an exercise price of $2.61 per Canopy Share.      
Replacement compensation options exercise price   $ 2.61      
Employee Stock Option          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Share-based compensation expense   $ (1,123) 8,619 10,403  
RSUs          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Share-based compensation expense   $ 3,143 $ 4,414 $ 3,777  
Omnibus Equity Incentive Plan          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Number of common shares reserved for issuance upon exercise or vesting of Awards   42,206,823 18,386,530    
Maximum | Omnibus Equity Incentive Plan          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Options expiration period 10 years        
Minimum | Omnibus Equity Incentive Plan          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Percentage of number of shares issuable from treasury pursuant to awards 10.00%        
[1] Included is 70,515 replacement compensation options with an exercise price of $1.59 per compensation option. Each compensation option is exercisable for one Canopy Share and one half of one Canopy Growth warrant. Each whole Canopy Growth warrant is exercisable to acquire one Canopy Share until September 19, 2028 at an exercise price of $2.61 per Canopy Share.