Other Payables (Narrative) (Details) $ in Thousands	Dec. 31, 2019 USD ($)	Dec. 31, 2019 ZAR (R)	Jun. 30, 2019 USD ($)	Jun. 30, 2019 ZAR (R)
Other Payables [Abstract]
Total amount recorded as payable to SASSA related to implementation costs to be refunded	$ 35,270	R 495,500,000	$ 34,039	R 479,400,000
Revenue refund portion of the total amount payable to SASSA	19,800	277,600	19,700	277,600,000
Accrued interest included in total amount payable to SASSA	12,600	177,600	11,400	161,000,000
Unclaimed indirect taxes	2,800	38,900	2,800	39,400,000
Estimated cost payable amount included in the total amount payable to SASSA	$ 100	R 1,400	$ 100	R 1,400,000