Property, Plant And Equipment, Net (Summary Of Cost, Accumulated Depreciation And Carrying Amount Of Property, Plant And Equipment) (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Jun. 30, 2022
Property Plant And Equipment [Line Items]
Cost	$ 64,010	$ 59,848
Accumulated depreciation	36,563	35,249
Carrying amount	27,447	24,599
Safe Assets [Member]
Property Plant And Equipment [Line Items]
Cost	19,229	16,275
Accumulated depreciation	4,353	939
Carrying amount	14,876	15,336
Computer Equipment [Member]
Property Plant And Equipment [Line Items]
Cost	35,158	32,814
Accumulated depreciation	25,645	26,420
Carrying amount	9,513	6,394
Furniture And Office Equipment [Member]
Property Plant And Equipment [Line Items]
Cost	7,508	7,549
Accumulated depreciation	5,602	6,060
Carrying amount	1,906	1,489
Vehicles [Member]
Property Plant And Equipment [Line Items]
Cost	2,070	3,195
Accumulated depreciation	955	1,829
Carrying amount	1,115	1,366
Plant And Machinery [Member]
Property Plant And Equipment [Line Items]
Cost	45	15
Accumulated depreciation	8	1
Carrying amount	$ 37	$ 14