Accumulated Other Comprehensive Loss (Change In Accumulated Other Comprehensive (Loss) Income Per Component) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2026	Mar. 31, 2025	Mar. 31, 2026	Mar. 31, 2025
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance	$ 187,698	$ 196,899	$ 168,470	$ 173,228
Movement in foreign currency translation reserve	(7,669)	6,086	9,121	(5,413)
Balance	186,625	188,504	186,625	188,504
Correction [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Movement in foreign currency translation reserve		80	100	(40)
Liquidation of Subsidiaries [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Release of foreign currency translation reserve related to disposal/liquidation	(494)	0	(520)	6
Release of foreign currency translation reserve related to liquidation of subsidiaries			(516)
Movement in foreign currency translation reserve	(494)			6
Liquidation of Equity-Accounted Investment [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Release of foreign currency translation reserve related to disposal/liquidation	0	0	550	0
Accumulated Foreign Currency Translation Reserve [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance	(168,308)	(199,720)	(185,626)	(188,227)
Movement in foreign currency translation reserve	(7,669)	6,086	9,121	(5,413)
Balance	(176,471)	(193,634)	(176,471)	(193,634)
Accumulated Foreign Currency Translation Reserve [Member] \| Correction [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance		200	40	100
Movement in foreign currency translation reserve		80	100	(40)
Balance	100		100
Accumulated Foreign Currency Translation Reserve [Member] \| Correction [Member] \| Correction Amount Three Month [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance		300		300
Accumulated Foreign Currency Translation Reserve [Member] \| Correction [Member] \| Correction Amount Six Month [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance		90		90
Accumulated Foreign Currency Translation Reserve [Member] \| Liquidation of Subsidiaries [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Release of foreign currency translation reserve related to liquidation of subsidiaries			(516)
Movement in foreign currency translation reserve	(494)			6
Accumulated Foreign Currency Translation Reserve [Member] \| Liquidation of Equity-Accounted Investment [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Release of foreign currency translation reserve related to disposal/liquidation			550
Accumulated Other Comprehensive Loss [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance	(168,308)	(199,720)	(185,626)	(188,227)
Balance	(176,471)	(193,634)	(176,471)	(193,634)
Accumulated Other Comprehensive Loss [Member] \| Correction [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance		(200)	40	100
Balance	$ 100		$ 100
Accumulated Other Comprehensive Loss [Member] \| Correction [Member] \| Correction Amount Three Month [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance		300		300
Accumulated Other Comprehensive Loss [Member] \| Correction [Member] \| Correction Amount Six Month [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance		$ 90		$ 90