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Borrowings (CCC Revolving Credit Facility Narrative) (Details) - 6 months ended Dec. 31, 2023
$ in Thousands, R in Millions
USD ($)
ZAR (R)
Debt Instrument [Line Items]    
Maximum borrowing capacity | $ $ 103,647  
Prime Rate [Member]    
Debt Instrument [Line Items]    
Debt instrument variable interest rate 11.75%  
CCC Revolving Credit Facility [Member]    
Debt Instrument [Line Items]    
Maximum borrowing capacity   R 300.0
Line Of Credit   R 196.5
CCC Revolving Credit Facility [Member] | Prime Rate [Member]    
Debt Instrument [Line Items]    
Debt instrument variable interest rate 0.95%