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Share-based payments - Additional Information (Detail) $ in Thousands	12 Months Ended
	Jun. 30, 2025 AUD ($) Shares	Jun. 30, 2024 AUD ($)	Jun. 30, 2023 AUD ($)
Disclosure of terms and conditions of share-based payment arrangement [line items]
Employee remuneration expense | $	$ 653,194	$ 532,597	$ 1,674,581
Weighted average remaining contractual life of outstanding share options	3 years 7 months 2 days	2 years
Number of options issued to employees | Shares	6,000
Ordinary shares [member]
Disclosure of terms and conditions of share-based payment arrangement [line items]
Weighted average remaining contractual life of outstanding share options	1 year 6 months 7 days
Tranche 13 [member]
Disclosure of terms and conditions of share-based payment arrangement [line items]
Percentage of options vested not vested and exercisable		35.00%
Tranches 4, 7, 8 and 9 [Member]
Disclosure of terms and conditions of share-based payment arrangement [line items]
Percentage of options vested and exercisable		69.00%
Tranche 5 [member]
Disclosure of terms and conditions of share-based payment arrangement [line items]
Percentage of options vested and exercisable		75.00%
Tranche 10 & 15 [Member]
Disclosure of terms and conditions of share-based payment arrangement [line items]
Percentage of options vested and exercisable		33.00%
Tranche 11, 14, & 16 [Member]
Disclosure of terms and conditions of share-based payment arrangement [line items]
Percentage of options vested and exercisable		50.00%

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- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Note Expiry date 2027-01-01
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-IssueDate 2025-01-01
-Paragraph 112
-Subparagraph c
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- Definition

The number of share options granted in a share-based payment arrangement.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
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-IssueDate 2025-01-01
-Paragraph 45
-Subparagraph b
-Clause ii
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Note Effective 2027-01-01
-Name IFRS
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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-IssueDate 2025-01-01
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-URIDate 2025-03-27

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-IssueDate 2025-01-01
-Paragraph 45
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-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2025-en-r&anchor=para_45_d&doctype=Standard
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