Inventory (Narrative) (Details) R in Millions, $ in Millions	3 Months Ended
Sep. 30, 2022 ZAR (R)	Sep. 30, 2022 USD ($)	Jun. 30, 2022 USD ($)
Inventory [Line Items]
Amount per month of purchased inventory agreement \| R	R 10
Finished goods subject to sale restrictions \| $		$ 11.0	$ 13.7

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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