Financial Instruments and Risk Management, Credit risk (Details) - Credit risk [member] - AUD ($) $ in Millions	12 Months Ended
Jun. 30, 2025	Jun. 30, 2024
Credit risk [Abstract]
Maximum exposure to credit risk	$ 100.0	$ 108.3
Cash and cash equivalents and other long-term fixed deposits	$ 72.5	$ 90.8
Impairments expected credit loss period	12 months

The maximum exposure to the credit risk of financial assets designated as measured at fair value through profit or loss. [Refer: Credit risk [member]; Maximum exposure to credit risk]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 7
-IssueDate 2025-01-01
-Paragraph 9
-Subparagraph a
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_9_a&doctype=Standard
-URIDate 2025-03-27

Name:	ifrs-full_MaximumExposureToCreditRiskOfFinancialAssets
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant