Operating Segments (Reconciliation Of Reportable Segments Measure Of Profit Or Loss To Income) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2022
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating loss	$ 3,590	$ (15,347)	$ (40,195)
Lease adjustments	(3,238)	(2,906)	(3,955)
Unrealized Loss FV for currency adjustments	83	(222)	0
Stock based compensation charge adjustments	(7,911)	(7,309)	(2,962)
Depreciation and amortization	(23,665)	(23,685)	(7,575)
Impairment loss	0	(7,039)	0
Gain related to fair value adjustment to currency options	0	0	3,691
Gain on disposal on equity securities	0	0	720
Reversal of allowance for doubtful EMI debt receivable (Note 9)	250	0	0
Loss on disposal of equity-accounted investment (Note 9)	0	(205)	(376)
Interest income	2,294	1,853	2,089
Interest expense	(18,932)	(18,567)	(5,829)
Loss before income taxes	(12,798)	(32,266)	(39,900)
Group Cost [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating loss	(7,844)	(9,109)	(8,587)
Once Off Items [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating loss	(1,853)	(1,922)	(8,088)
Reportable Segment [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating loss	48,018	36,845	(9,028)
Depreciation and amortization	$ (9,277)	$ (8,536)	$ (3,846)