Asbestos - Schedule of 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, 2026
AUD ($)
claim
|
Mar. 31, 2025
AUD ($)
claim
|
Mar. 31, 2024
AUD ($)
claim
|
Mar. 31, 2023
AUD ($)
claim
|
Mar. 31, 2022
AUD ($)
claim
|
Mar. 31, 2026
USD ($)
|
Mar. 31, 2025
USD ($)
|
Mar. 31, 2024
USD ($)
|
Mar. 31, 2023
USD ($)
|
Mar. 31, 2022
USD ($)
|
|
| Loss Contingency, Pending Claims, Number [Roll Forward] | ||||||||||
| Number of open claims at beginning of period | 482 | 379 | 359 | 365 | 360 | |||||
| Number of new claims, direct claims | 348 | 443 | 410 | 403 | 411 | |||||
| Number of new claims, cross claims | 150 | 210 | 154 | 152 | 144 | |||||
| Number of closed claims | 535 | 550 | 544 | 561 | 550 | |||||
| Number of open claims at end of period | 445 | 482 | 379 | 359 | 365 | |||||
| Average settlement amount per settled claim | $ 307 | $ 327 | $ 289 | $ 303 | $ 314 | $ 203 | $ 213 | $ 190 | $ 208 | $ 232 |
| Average settlement amount per case closed | $ 257 | $ 291 | $ 262 | $ 271 | $ 282 | $ 170 | $ 190 | $ 172 | $ 186 | $ 208 |