Borrowings (South Africa Narrative) (Details) $ in Thousands, R in Millions				3 Months Ended		9 Months Ended
	Feb. 27, 2025 ZAR (R)	Oct. 01, 2024 USD ($)	Oct. 01, 2024 ZAR (R)	Mar. 31, 2025 USD ($)	Mar. 31, 2024 USD ($)	Mar. 31, 2025 USD ($) Item	Mar. 31, 2025 ZAR (R) Item	Mar. 31, 2024 USD ($)	Mar. 31, 2025 ZAR (R)	Dec. 31, 2024 USD ($)	Dec. 31, 2024 ZAR (R)	Jun. 30, 2024 USD ($)	Jun. 30, 2024 ZAR (R)
Debt Instrument [Line Items]
Maximum borrowing capacity				$ 52,213		$ 52,213
Repayment of overdraft				50,458	$ 43,380	85,998		$ 172,221
Repayment of long-term borrowings				134,503	$ 7,238	148,297		$ 13,051
Bank Overdrafts [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity				38,195		38,195
Derivative Facilities [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity				14,018		$ 14,018
Rmb Loan Facilities [Member]
Debt Instrument [Line Items]
Non-refundable debt structuring fees | R	R 10.0
Number of loan facilities | Item						3	3
Rmb Loan Facilities [Member] | Bank Overdrafts [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity				38,200		$ 38,200			R 700.9
Rmb Loan Facilities [Member] | General Corporate Expenditure [Member]
Debt Instrument [Line Items]
Line of credit				23,600		23,600			432.2
Maximum borrowing capacity | R									700.9
Rmb Loan Facilities [Member] | Derivative Facilities [Member]
Debt Instrument [Line Items]
Line of credit				1,800		1,800			33.1
Maximum borrowing capacity				5,500		5,500			100.7			$ 7,400	R 135.0
Adumo transaction [Member]
Debt Instrument [Line Items]
Repayment of overdraft		$ 1,100	R 20.0
Repayment of long-term borrowings		$ 7,200	R 126.7
Facility H [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity										$ 18,900	R 350.0
Facility B [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity										$ 29,800	R 550.0
F2024 Facility Letter [Member] | Rmb Loan Facilities [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity | R									665.0
Senior Facility A [Member] | Rmb Loan Facilities [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity				117,500		117,500			2,200.0
Senior Facility B [Member] | Rmb Loan Facilities [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity				54,500		$ 54,500			1,000.0
Number of annual installments | Item						4	4
Senior Facility B [Member] | Rmb Loan Facilities [Member] | Payable on February 28, 2026 [Member]
Debt Instrument [Line Items]
Installment payment						$ 8,200	R 150.0
Senior Facility B [Member] | Rmb Loan Facilities [Member] | Payable on February 28, 2027 [Member]
Debt Instrument [Line Items]
Installment payment						10,900	200.0
Senior Facility B [Member] | Rmb Loan Facilities [Member] | Payable on February 28, 2028 [Member]
Debt Instrument [Line Items]
Installment payment						16,300	300.0
Senior Facility B [Member] | Rmb Loan Facilities [Member] | Payable on February 28, 2029 [Member]
Debt Instrument [Line Items]
Installment payment						19,100	R 350.0
Senior Revolving Credit Facility [Member] | Rmb Loan Facilities [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity				$ 117,500		$ 117,500			R 2,200.0
JIBAR [Member]
Debt Instrument [Line Items]
Debt instrument variable interest rate						7.56%	7.56%
JIBAR [Member] | Senior Facility A [Member]
Debt Instrument [Line Items]
Debt instrument variable interest rate						3.25%	3.25%
JIBAR [Member] | Senior Facility A [Member] | LTL ratio is greater than 3.50x [Member]
Debt Instrument [Line Items]
Debt instrument variable interest rate						3.25%	3.25%
JIBAR [Member] | Senior Facility A [Member] | LTL ratio is less than 3.50x but greater than 2.75x [Member]
Debt Instrument [Line Items]
Debt instrument variable interest rate						2.50%	2.50%
JIBAR [Member] | Senior Facility B [Member]
Debt Instrument [Line Items]
Debt instrument variable interest rate						3.15%	3.15%
JIBAR [Member] | Senior Facility B [Member] | LTL ratio is greater than 3.50x [Member]
Debt Instrument [Line Items]
Debt instrument variable interest rate						3.15%	3.15%
JIBAR [Member] | Senior Facility B [Member] | LTL ratio is less than 3.50x but greater than 2.75x [Member]
Debt Instrument [Line Items]
Debt instrument variable interest rate						2.40%	2.40%
Prime Rate [Member]
Debt Instrument [Line Items]
Debt instrument variable interest rate						11.00%	11.00%
Prime Rate [Member] | Rmb Loan Facilities [Member] | General Corporate Expenditure [Member]
Debt Instrument [Line Items]
Debt instrument variable interest rate						0.50%	0.50%
Prime Rate [Member] | F2024 Facility Letter [Member] | Rmb Loan Facilities [Member]
Debt Instrument [Line Items]
Debt instrument variable interest rate						1.80%	1.80%