Asbestos - Schedule of Contributed to AICF (Details) $ in Millions, $ in Millions |
12 Months Ended | |||||
|---|---|---|---|---|---|---|
|
Mar. 31, 2026
USD ($)
|
Mar. 31, 2026
AUD ($)
|
Mar. 31, 2025
USD ($)
|
Mar. 31, 2025
AUD ($)
|
Mar. 31, 2024
USD ($)
|
Mar. 31, 2024
AUD ($)
|
|
| Restricted Cash and Investments | ||||||
| Net Investment Income [Line Items] | ||||||
| Payment received in accordance with AFFA | $ 125.4 | $ 193.6 | $ 99.2 | $ 149.6 | $ 91.8 | $ 137.5 |