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Financial instruments - Summary of foreign currency risk sensitivity (Detail) - AUD ($) $ in Thousands | Jun. 30, 2024 | Jun. 30, 2023
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Foreign currency risk [member] | US dollars [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
% change | 10.00% | 10.00%
Increase in market risk [member] | US dollars [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
% change |  | 10.00%
Increase in market risk [member] | Euros [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
% change |  | 10.00%
Increase in market risk [member] | Foreign currency risk [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
% change | 10.00% |
Increase in market risk [member] | Foreign currency risk [member] | US dollars [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
% change | 10.00% |
Increase in market risk [member] | Foreign currency risk [member] | Euros [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
% change | 10.00% |
Effect of increase in market risk on profit (loss) before tax [member] | Foreign currency risk [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Effect on profit before tax/equity | $ 140 | $ (223)
Effect of increase in market risk on profit (loss) before tax [member] | Foreign currency risk [member] | US dollars [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Effect on profit before tax/equity | 142 | (494)
Effect of increase in market risk on profit (loss) before tax [member] | Foreign currency risk [member] | Euros [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Effect on profit before tax/equity | 0 | 271
Effect of increase in market risk on profit (loss) before tax [member] | Foreign currency risk [member] | GBP [Member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Effect on profit before tax/equity | (2) |
Effect of increase in market risk on equity [member] | Foreign currency risk [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Effect on profit before tax/equity | 140 | (223)
Effect of increase in market risk on equity [member] | Foreign currency risk [member] | US dollars [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Effect on profit before tax/equity | 142 | (494)
Effect of increase in market risk on equity [member] | Foreign currency risk [member] | Euros [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Effect on profit before tax/equity | 0 | $ 271
Effect of increase in market risk on equity [member] | Foreign currency risk [member] | GBP [Member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Effect on profit before tax/equity | $ (2) |
Decrease in market risk [member] | US dollars [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
% change |  | (10.00%)
Decrease in market risk [member] | Euros [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
% change |  | (10.00%)
Decrease in market risk [member] | Foreign currency risk [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
% change | (10.00%) |
Decrease in market risk [member] | Foreign currency risk [member] | US dollars [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
% change | (10.00%) |
Decrease in market risk [member] | Foreign currency risk [member] | Euros [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
% change | (10.00%) |
Effect of decrease in market risk on profit (loss) before tax [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Effect on profit before tax/equity |  | $ 223
Effect of decrease in market risk on profit (loss) before tax [member] | US dollars [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Effect on profit before tax/equity |  | 494
Effect of decrease in market risk on profit (loss) before tax [member] | Euros [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Effect on profit before tax/equity |  | (271)
Effect of decrease in market risk on profit (loss) before tax [member] | Foreign currency risk [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Effect on profit before tax/equity | $ (140) |
Effect of decrease in market risk on profit (loss) before tax [member] | Foreign currency risk [member] | US dollars [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Effect on profit before tax/equity | (142) |
Effect of decrease in market risk on profit (loss) before tax [member] | Foreign currency risk [member] | Euros [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Effect on profit before tax/equity | 0 |
Effect of decrease in market risk on profit (loss) before tax [member] | Foreign currency risk [member] | GBP [Member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Effect on profit before tax/equity | 2 |
Effect of decrease in market risk on equity [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Effect on profit before tax/equity |  | 223
Effect of decrease in market risk on equity [member] | US dollars [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Effect on profit before tax/equity |  | 494
Effect of decrease in market risk on equity [member] | Euros [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Effect on profit before tax/equity |  | $ (271)
Effect of decrease in market risk on equity [member] | Foreign currency risk [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Effect on profit before tax/equity | (140) |
Effect of decrease in market risk on equity [member] | Foreign currency risk [member] | US dollars [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Effect on profit before tax/equity | (142) |
Effect of decrease in market risk on equity [member] | Foreign currency risk [member] | Euros [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Effect on profit before tax/equity | 0 |
Effect of decrease in market risk on equity [member] | Foreign currency risk [member] | GBP [Member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Effect on profit before tax/equity | $ 2 |

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