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)

v3.22.1
Asbestos - Numbers of Open Claims, New Claims and Closed Claims and Average Settlement Per Settled Claim and Case Closed (Details)
 12 Months Ended
Mar. 31, 2022
AUD ($)
claim
Mar. 31, 2021
AUD ($)
claim
Mar. 31, 2020
AUD ($)
claim
Mar. 31, 2019
AUD ($)
claim
Mar. 31, 2018
AUD ($)
claim
Mar. 31, 2022
USD ($)
Mar. 31, 2021
USD ($)
Mar. 31, 2020
USD ($)
Mar. 31, 2019
USD ($)
Mar. 31, 2018
USD ($)
Loss Contingency, Pending Claims, Number [Roll Forward]                    
Number of open claims at beginning of period 360 393 332 336 352          
Number of new claims, direct claims 411 392 449 430 422          
Number of new claims, cross claims 144 153 208 138 140          
Number of closed claims 550 578 596 572 578          
Number of open claims at end of period 365 360 393 332 336          
Average settlement amount per settled claim $ 314,000 $ 248,000 $ 277,000 $ 262,000 $ 253,000 $ 232,000 $ 178,000 $ 189,000 $ 191,000 $ 196,000
Average settlement amount per case closed 1 $ 282,000 $ 225,000 $ 245,000 $ 234,000 $ 217,000 $ 208,000 $ 162,000 $ 167,000 $ 171,000 $ 168,000