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Fair Value Of Financial Instruments (Narrative) (Details)
R in Millions
3 Months Ended 9 Months Ended
Feb. 24, 2022
ZAR (R)
Mar. 31, 2022
USD ($)
shares
Mar. 31, 2022
ZAR (R)
Dec. 31, 2021
USD ($)
Mar. 31, 2021
USD ($)
Mar. 31, 2022
USD ($)
shares
Mar. 31, 2022
ZAR (R)
Mar. 31, 2021
USD ($)
Jun. 30, 2021
USD ($)
Derivatives, Fair Value [Line Items]                  
Fair value measurement asset transfers into Level 3   $ 0     $ 0 $ 0   $ 0  
Fair value measurement asset transfers out of Level 3   0     0 0   0  
Transfers into or out of Level 3   0     0 0   0  
Gain related to fair value adjustment to currency options   6,120,000   $ (2,400,000) $ 0 3,691,000   $ 0  
Generated realized gain | R R 3.7                
Net gain related to fair value adjustment to currency options | R     R 6.1       R 3.7    
(Gain) Loss related to fair value adjustment to currency options   $ 2,391,000       $ (38,000)      
Foreign Exchange Contracts [Member]                  
Derivatives, Fair Value [Line Items]                  
Outstanding foreign exchange contracts   0       0      
Cell C [Member]                  
Derivatives, Fair Value [Line Items]                  
Investment amount owned   $ 0.0       $ 0.0     $ 0.0
Equity method investment, percentage of ownership interest   0.00%       0.00%      
Cell C [Member] | Net1 SA [Member] | Class A [Member]                  
Derivatives, Fair Value [Line Items]                  
Investment shares owned | shares   75,000,000       75,000,000