Inventory (Narrative) (Details) $ in Thousands, R in Millions	12 Months Ended
Jun. 30, 2024 ZAR (R)	Jun. 30, 2024 USD ($)	Jun. 30, 2023 USD ($)
Inventory [Line Items]
Finished goods		$ 15,364	$ 24,488
Airtime Inventory Subject To Sale Restrictions [Member]
Inventory [Line Items]
Finished goods		$ 1,800	$ 8,600
Amount per month of purchased inventory agreement \| R	R 10

Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(6)(a)(1))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1

Name:	us-gaap_InventoryFinishedGoods
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant