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CAPITAL MANAGEMENT - Narrative (Details)
R in Millions
 2 Months Ended 12 Months Ended
Oct. 03, 2025
ZAR (R)
Jun. 30, 2025
ZAR (R)
Jun. 30, 2024
ZAR (R)
Jun. 28, 2024
ZAR (R)
Disclosure of objectives, policies and processes for managing capital [line items]        
Unrestricted cash and cash equivalents   R 1,293.0 R 509.2  
Borrowings, maturity   5    
Top of range        
Disclosure of objectives, policies and processes for managing capital [line items]        
Debt ratio   0.5    
Bottom of range        
Disclosure of objectives, policies and processes for managing capital [line items]        
Interest coverage ratio   0.25    
Nedbank: GBF        
Disclosure of objectives, policies and processes for managing capital [line items]        
Undrawn borrowing facility   R 500.0   R 500.0
Nedbank: GBF - guarantees facility        
Disclosure of objectives, policies and processes for managing capital [line items]        
Undrawn borrowing facility   120.0    
Nedbank: GBF - guarantees facility | Entering into significant commitments or contingent liabilities        
Disclosure of objectives, policies and processes for managing capital [line items]        
Increase in undrawn borrowing facility R 61.0      
Borrowings R 181.0      
Nedbank: Accordian option: 5-year8 R1 billion RCF        
Disclosure of objectives, policies and processes for managing capital [line items]        
Undrawn borrowing facility   1,000.0    
Undrawn borrowing facility, accordion option   R 500.0