v3.25.3
Income tax expense - Tax rates (Details)
12 Months Ended 60 Months Ended
Jul. 11, 2025
Dec. 31, 2032
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2023
Dec. 31, 2032
Income tax expense            
Applicable tax rate     27.74% 27.74% 27.74%  
Effective tax rate     (0.62%) (6.80%) 52.70%  
Germany            
Income tax expense            
Corporate tax rate     15.00%      
Solidarity surcharge on corporate tax rate     5.50%      
Trade tax rate     11.92%      
Primary deferred tax rate     27.74% 27.74%    
Germany | Changes in tax rates or tax laws enacted or announced            
Income tax expense            
Corporate tax rate 15.00%          
Germany | Changes in tax rates or tax laws enacted or announced | Forecast            
Income tax expense            
Applicable tax rate   10.00%        
Percentage of reduction           1.00%
Period for reduction           5 years
Minimum | Non German            
Income tax expense            
Applicable tax rate     0.00% 8.25%    
Maximum | Non German            
Income tax expense            
Applicable tax rate     35.00% 31.00%