v3.26.3
Segment Reporting, Information for Operating Segments (Details) - USD ($)
$ in Thousands
 12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2024
Segment Results [Abstract]      
Total revenue [1],[2] $ 201,675 $ 145,016 [3] $ 132,163 [3]
Underlying EBITDA 14,345 (42,900) (34,438)
Underlying depreciation and amortisation expense (21,484) [4] (25,927) [5] (22,454) [6]
Underlying earnings adjustments [7] 52,838 (179,553) (20,722)
Profit/(loss) from operations 45,699 (248,380) [3] (77,614) [3]
Net financial income (expense) 725 (670) [3] 1,918 [3]
Profit/(loss) before income tax 46,424 (249,050) [3] (75,696) [3]
Income tax benefit/(expense) (2,034) 1,936 [3] (2,344) [3]
Profit/(loss) after income tax [3] 44,390 (247,114) (78,040)
Underlying exploration expenditure 0 17,694 21,856
Underlying capital expenditure [8] 21,028 12,765 69,204
Total underlying assets 905,321 426,964 [3] 629,921
Total underlying liabilities 178,155 115,963 [3] 99,600
Depreciation and amortisation expense 23,630 24,983 [3] 22,146 [3]
Favourable non-cash inventory movements 2,100 900 400
Operating Segments [Member] | North American Lithium Operations [Member]      
Segment Results [Abstract]      
Total revenue 201,675 145,016 132,163
Underlying EBITDA 45,717 (29,483) (14,377)
Underlying depreciation and amortisation expense (20,923) [4] (25,546) [5] (22,118) [6]
Underlying earnings adjustments [7] 165,467 (175,388) (13,053)
Profit/(loss) from operations 190,261 (230,417) (49,548)
Underlying exploration expenditure 0 6,304 10,959
Underlying capital expenditure [8] 19,584 12,765 58,822
Total underlying assets 466,769 223,287 429,072
Total underlying liabilities 137,199 99,697 73,391
Operating Segments [Member] | All Other Segments [Member]      
Segment Results [Abstract]      
Total revenue 0 0 0
Underlying EBITDA (1,299) (1,444) (265)
Underlying depreciation and amortisation expense (50) [4] (20) [5] (11) [6]
Underlying earnings adjustments [7] 0 0 (4,033)
Profit/(loss) from operations (1,349) (1,464) (4,309)
Underlying exploration expenditure 0 11,390 10,817
Underlying capital expenditure [8] 1,441 0 7,695
Total underlying assets 178,797 173,581 123,264
Total underlying liabilities 3,078 1,054 2,725
Group unallocated items and eliminations [Member]      
Segment Results [Abstract]      
Total revenue 0 0 0
Underlying EBITDA (30,073) (11,973) (19,796)
Underlying depreciation and amortisation expense (511) [4] (361) [5] (325) [6]
Underlying earnings adjustments [7] (112,629) (4,165) (3,636)
Profit/(loss) from operations (143,213) (16,499) (23,757)
Underlying exploration expenditure 0 0 80
Underlying capital expenditure [8] 3 0 2,687
Total underlying assets 259,755 30,096 77,585
Total underlying liabilities $ 37,878 $ 15,212 $ 23,484
[1] Revenue is primarily presented by the geographical destination of the product.
[2] Revenue relates solely to the sale of spodumene concentrate from North American Lithium. Refer to Note 5 (b) for a disaggregation of revenue by primary geographical market.
[3] Refer to Note 2 (a) for details on translation of prior period comparatives to United States dollars to conform with changes in presentation currency.
[4] Underlying depreciation and amortisation expense is comprised of depreciation and amortisation expense of $23.6 million, partially offset by favourable non-cash inventory movements of $2.1 million recognised within ‘Changes in inventories of finished goods and work in progress’. Refer to Note 7 for further details.
[5] Underlying depreciation and amortisation expense is comprised of depreciation and amortisation expense of $25.0 million and unfavourable non-cash inventory movements of $0.9 million recognised within ‘Changes in inventories of finished goods and work in progress’. Refer to Note 7 for further details.
[6] Underlying depreciation and amortisation expense is comprised of depreciation and amortisation expense of $22.1 million and unfavourable non-cash inventory movements of $0.4 million recognised within ‘Changes in inventories of finished goods and work in progress’. Refer to Note 7 for further details.
[7] Refer to Note 4 (c) for further details.
[8] Underlying capital expenditure excludes capitalised exploration expenditure and right-of-use asset additions.