Segment and Geographic Information - Schedule of Long-lived assets information by location (Details) - USD ($) $ in Thousands	Sep. 30, 2026	Jun. 30, 2026
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items]
Total long-lived assets	$ 980,348	$ 880,067
Australia
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items]
Total long-lived assets	978,735	878,454
Rest of the world
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items]
Total long-lived assets	$ 1,613	$ 1,613