v3.26.3
Provisions, Components of Provisions (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2024
Provision [Abstract]      
Employee benefits $ 4,265 $ 3,984  
Mine closure and rehabilitation [1] 22,710 19,282  
Onerous contracts 17,231 0  
Total provisions 44,206 23,266 $ 20,820
Comprising [Abstract]      
Current 17,337 3,984 [2]  
Non-current 26,869 19,282 [2]  
Mine Closure and Rehabilitation [Member]      
Provision [Abstract]      
Total provisions 22,710 19,282 $ 16,867
Mine Closure and Rehabilitation [Member] | North American Lithium [Member]      
Provision [Abstract]      
Mine closure and rehabilitation 19,300 19,300  
Mine Closure and Rehabilitation [Member] | Tennessee Landfill Facility [Member]      
Provision [Abstract]      
Mine closure and rehabilitation $ 3,400 $ 0  
[1] The amount reported for the year ended 30 June 2026 is comprised of a provision of $19.3 million for closure and rehabilitation of North American Lithium (2025: $19.3 million) and $3.4 million for rehabilitation of the Tennessee landfill facility (2025: Nil). The timing of closure and rehabilitation of North American Lithium is estimated to occur between 2045 and 2047 whilst the timing of rehabilitation of the Tennessee landfill facility is estimated to occur between 2027 and 2028.
[2] Refer to Note 2 (a) for details on translation of prior period comparatives to United States dollars to conform with changes in presentation currency.