v3.23.3
Share-Based Payments - Joint Share Ownership Plan and Long Term Incentive Plan (Details)
 12 Months Ended
Jun. 30, 2023
shares
Jun. 30, 2022
shares
Jun. 30, 2021
shares
Disclosure of terms and conditions of share-based payment arrangement [line items]      
Number of share options exercised (in shares) 771,327 1,045,414  
Joint Share Ownership Plan - EBT Portion      
Disclosure of terms and conditions of share-based payment arrangement [line items]      
Number of shares in entity held by entity or by its subsidiaries or associates (in shares) 13,226 74,610  
JSOP      
Disclosure of terms and conditions of share-based payment arrangement [line items]      
Expiration period 25 years    
Number of shares in entity held by entity or by its subsidiaries or associates (in shares) 6,965 34,075  
Number of share options exercised (in shares) 27,110 0 133,536
Number of share options cancelled (in shares) 0 0  
Long term Incentive Plan - EBT Portion      
Disclosure of terms and conditions of share-based payment arrangement [line items]      
Number of share options exercised (in shares) 9,000 0  
SAYE - EBT Portion      
Disclosure of terms and conditions of share-based payment arrangement [line items]      
Number of share options exercised (in shares) 25,274 0