Debt - Guarantees (Details) - Ravenhall	Sep. 30, 2024 AUD ($) Guarantee	Sep. 30, 2024 USD ($) Guarantee
Debt Instrument [Line Items]
Number of letters of guarantee outstanding under separate international facilities relating to performance guarantees	5	5
Letters of credit outstanding relating to performance guarantees	$ 13,300,000	$ 9,200,000
Letter of Credit | Revolver
Debt Instrument [Line Items]
Maximum exposure, undiscounted	$ 53,000,000	$ 36,800,000