v3.26.3
Shareholders' equity - Summary of Stock Options Outstanding and Exercisable (Details)
 12 Months Ended
Jun. 30, 2026
shares
$ / shares
Jun. 30, 2025
shares
Jun. 30, 2024
shares
Disclosure of range of exercise prices of outstanding share options [line items]      
Number of stock options outstanding (in shares) 98,227 381,686 462,346
Number of stock options outstanding and exercisable (in shares) 98,227 352,831  
Weighted average remaining contractual life 11 months 4 days 1 year 2 months 19 days  
$7.01 - $9.00      
Disclosure of range of exercise prices of outstanding share options [line items]      
Number of stock options outstanding (in shares) 71,227 84,120  
Number of stock options outstanding and exercisable (in shares) 71,227 64,510  
Weighted average remaining contractual life 1 year 2 years  
$9.01 - $12.00      
Disclosure of range of exercise prices of outstanding share options [line items]      
Number of stock options outstanding (in shares) 0 62,023  
Number of stock options outstanding and exercisable (in shares) 0 62,023  
Weighted average remaining contractual life   11 months 4 days  
$12.01 - $15.00      
Disclosure of range of exercise prices of outstanding share options [line items]      
Number of stock options outstanding (in shares) 27,000 42,000  
Number of stock options outstanding and exercisable (in shares) 27,000 34,143  
Weighted average remaining contractual life 9 months 1 year 9 months  
$15.01 - $18.00      
Disclosure of range of exercise prices of outstanding share options [line items]      
Number of stock options outstanding (in shares) 0 104,702  
Number of stock options outstanding and exercisable (in shares) 0 104,702  
Weighted average remaining contractual life   1 year  
$18.01 - $20.00      
Disclosure of range of exercise prices of outstanding share options [line items]      
Number of stock options outstanding (in shares) 0 22,856  
Number of stock options outstanding and exercisable (in shares) 0 21,468  
Weighted average remaining contractual life   1 year  
$20.01 - $27.00      
Disclosure of range of exercise prices of outstanding share options [line items]      
Number of stock options outstanding (in shares) 0 65,985  
Number of stock options outstanding and exercisable (in shares) 0 65,985  
Weighted average remaining contractual life   7 months 9 days  
Minimum | $7.01 - $9.00      
Disclosure of range of exercise prices of outstanding share options [line items]      
Exercise price (in dollars per share) | $ / shares $ 7.01    
Minimum | $9.01 - $12.00      
Disclosure of range of exercise prices of outstanding share options [line items]      
Exercise price (in dollars per share) | $ / shares 9.01    
Minimum | $12.01 - $15.00      
Disclosure of range of exercise prices of outstanding share options [line items]      
Exercise price (in dollars per share) | $ / shares 12.01    
Minimum | $15.01 - $18.00      
Disclosure of range of exercise prices of outstanding share options [line items]      
Exercise price (in dollars per share) | $ / shares 15.01    
Minimum | $18.01 - $20.00      
Disclosure of range of exercise prices of outstanding share options [line items]      
Exercise price (in dollars per share) | $ / shares 18.01    
Minimum | $20.01 - $27.00      
Disclosure of range of exercise prices of outstanding share options [line items]      
Exercise price (in dollars per share) | $ / shares 20.01    
Maximum | $7.01 - $9.00      
Disclosure of range of exercise prices of outstanding share options [line items]      
Exercise price (in dollars per share) | $ / shares 9.00    
Maximum | $9.01 - $12.00      
Disclosure of range of exercise prices of outstanding share options [line items]      
Exercise price (in dollars per share) | $ / shares 12.00    
Maximum | $12.01 - $15.00      
Disclosure of range of exercise prices of outstanding share options [line items]      
Exercise price (in dollars per share) | $ / shares 15.00    
Maximum | $15.01 - $18.00      
Disclosure of range of exercise prices of outstanding share options [line items]      
Exercise price (in dollars per share) | $ / shares 18.00    
Maximum | $18.01 - $20.00      
Disclosure of range of exercise prices of outstanding share options [line items]      
Exercise price (in dollars per share) | $ / shares 20.00    
Maximum | $20.01 - $27.00      
Disclosure of range of exercise prices of outstanding share options [line items]      
Exercise price (in dollars per share) | $ / shares $ 27.00