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Financial instruments and risk management - Market risk sensitivity analysis - Narrative (Details)	12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Interest rate risk
Disclosure of detailed information about financial instruments [line items]
Sensitivity analysis for types of market risk, percentage of reasonably possible change in risk variable	0.50%
Currency exchange risk
Disclosure of detailed information about financial instruments [line items]
Sensitivity analysis for types of market risk, percentage of reasonably possible change in risk variable	10.00%	10.00%

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Sensitivity Analysis For Types Of Market Risk, Reasonably Possible Change In Risk Variable, Percent

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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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