v3.26.1
Related parties - Prescribed Officers' unvested LTI holdings (Details)
R / shares in Units, $ / shares in Units, R in Thousands, $ in Thousands
 12 Months Ended
Jun. 30, 2026
ZAR (R)
R / shares
shares
Jun. 30, 2026
USD ($)
shares
Jun. 30, 2026
$ / shares
Jun. 30, 2025
R / shares
Jun. 30, 2025
$ / shares
Intrinsic value          
Share Price | (per share) R 161.66   $ 9.82 R 78.76 $ 4.42
Remaining percentage of awards vested, for which full amount is disclosed in total earned remuneration 50.00% 50.00%      
Prescribed Officers | Awards with renewable energy CPT deferred          
Number          
Balance at the end of the year 2,333 2,333      
V Bester          
Number          
Balance at beginning of the year 77,615 77,615      
Awards granted 66,132 66,132      
Effect of corporate performance targets (100) (100)      
Dividend equivalents 528 528      
Awards settled (1,511) (1,511)      
Balance at the end of the year 142,664 142,664      
Intrinsic value          
Balance at beginning of the year | R R 6,113        
Awards granted | R 8,284        
Change in value | R 8,795        
Effect of corporate performance targets | R (14)        
Dividend equivalents | R 74        
Awards settled | R (189)        
Balance at the end of the year | R R 23,063        
AGM Gerber          
Number          
Balance at beginning of the year 85,378 85,378      
Awards granted 93,110 93,110      
Balance at the end of the year 178,488 178,488      
Intrinsic value          
Balance at beginning of the year | $   $ 377      
Awards granted | $   666      
Change in value | $   710      
Balance at the end of the year | $   $ 1,753      
C Herrmann          
Number          
Balance at beginning of the year 122,021 122,021      
Awards granted 74,488 74,488      
Effect of corporate performance targets (574) (574)      
Dividend equivalents 2,529 2,529      
Awards settled (19,674) (19,674)      
Balance at the end of the year 178,790 178,790      
Intrinsic value          
Balance at beginning of the year | $   $ 539      
Awards granted | $   533      
Change in value | $   805      
Effect of corporate performance targets | $   (5)      
Dividend equivalents | $   21      
Awards settled | $   (137)      
Balance at the end of the year | $   $ 1,756      
AT Makgala          
Number          
Awards granted 64,863 64,863      
Balance at the end of the year 64,863 64,863      
Intrinsic value          
Awards granted | R R 7,219        
Change in value | R 3,267        
Balance at the end of the year | R R 10,486        
CK Mokoena          
Number          
Balance at beginning of the year 162,969 162,969      
Effect of changes in Prescribed Officers (162,969) (162,969)      
Intrinsic value          
Balance at beginning of the year | R R 12,835        
Change in value | R 4,678        
Effect of changes in Prescribed Officers | R R (17,513)        
SD Pillay          
Number          
Balance at beginning of the year 69,031 69,031      
Awards granted 56,376 56,376      
Effect of corporate performance targets (569) (569)      
Dividend equivalents 1,467 1,467      
Awards settled (9,285) (9,285)      
Balance at the end of the year 117,020 117,020      
Intrinsic value          
Balance at beginning of the year | R R 5,437        
Awards granted | R 7,062        
Change in value | R 7,860        
Effect of corporate performance targets | R (79)        
Dividend equivalents | R 204        
Awards settled | R (1,567)        
Balance at the end of the year | R R 18,917        
S Siyaya          
Number          
Awards granted 57,684 57,684      
Effect of corporate performance targets (38) (38)      
Dividend equivalents 238 238      
Awards settled (1,125) (1,125)      
Effect of changes in Prescribed Officers 39,958 39,958      
Balance at the end of the year 96,717 96,717      
Intrinsic value          
Awards granted | R R 7,225        
Change in value | R 3,847        
Effect of corporate performance targets | R (5)        
Dividend equivalents | R 33        
Awards settled | R (141)        
Effect of changes in Prescribed Officers | R 4,676        
Balance at the end of the year | R R 15,635        
H Wenhold          
Number          
Balance at beginning of the year 123,098 123,098      
Effect of changes in Prescribed Officers (123,098) (123,098)      
Intrinsic value          
Balance at beginning of the year | R R 9,695        
Change in value | R 4,710        
Effect of changes in Prescribed Officers | R R (14,405)