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Financial risk management and financial instruments - Financing Risk and Credit Rating (Details) - Minimum	12 Months Ended
	Jun. 30, 2023	Oct. 28, 2022
Capital allocation
Target minimum average time to maturity for long-term borrowings	2 years
Funds From Operations (FFO)/Net debt		45.00%

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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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- Definition

Ratio of Funds From Operations (FFO) to Net debt.

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- Definition

The entity's targeted minimum period for the average time to maturity of long-term borrowings.

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