Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Asbestos - Numbers of Open Claims, New Claims and Closed Claims and Average Settlement Per Settled Claim and Case Closed (Details)

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Asbestos - Numbers of Open Claims, New Claims and Closed Claims and Average Settlement Per Settled Claim and Case Closed (Details)
$ in Thousands, $ in Thousands
 12 Months Ended
Mar. 31, 2024
AUD ($)
claim
Mar. 31, 2023
AUD ($)
claim
Mar. 31, 2022
AUD ($)
claim
Mar. 31, 2021
AUD ($)
claim
Mar. 31, 2020
AUD ($)
claim
Mar. 31, 2024
USD ($)
Mar. 31, 2023
USD ($)
Mar. 31, 2022
USD ($)
Mar. 31, 2021
USD ($)
Mar. 31, 2020
USD ($)
Loss Contingency, Pending Claims, Number [Roll Forward]                    
Number of open claims at beginning of period 359 365 360 393 332          
Number of new claims, direct claims 410 403 411 392 449          
Number of new claims, cross claims 154 152 144 153 208          
Number of closed claims 544 561 550 578 596          
Number of open claims at end of period 379 359 365 360 393          
Average settlement amount per settled claim $ 289 $ 303 $ 314 $ 248 $ 277 $ 190 $ 208 $ 232 $ 178 $ 189
Average settlement amount per case closed $ 262 $ 271 $ 282 $ 225 $ 245 $ 172 $ 186 $ 208 $ 162 $ 167