v3.26.3
ASSET HELD FOR SALE - Narrative (Details) - ZAR (R)
R in Millions
12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2024
Nov. 17, 2025
Aug. 18, 2025
Disclosure of analysis of single amount of discontinued operations [line items]          
Proceeds from disposal of subsidiary R 147.5 R 0.0 R 0.0    
Loss on disposal of subsidiary 4.8 0.0 R 0.0    
Disposal groups classified as held for sale          
Disclosure of analysis of single amount of discontinued operations [line items]          
Loss on disposal of subsidiary 4.8        
Disposal groups classified as held for sale | Stellar          
Disclosure of analysis of single amount of discontinued operations [line items]          
Percentage of interest held         50.25%
Percentage of ownership in subsidiary, initial         89.94%
Percentage of ownership in subsidiary       100.00%  
Net carrying amount 137.1 R 110.9      
Proceeds from disposal of subsidiary 147.5        
Loss on disposal of subsidiary R 4.8