GENERAL AND ADMINISTRATIVE EXPENSES BY NATURE - Narrative (Details) - CAD ($) $ in Thousands	12 Months Ended
Sep. 30, 2025	Sep. 30, 2024
Selling, general and administrative expense \| Less: expected credit losses \| Trade receivables
Disclosure of detailed information about financial instruments [line items]
Impairment loss recognised in profit or loss	$ 274	$ 4,222

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.

No definition available.

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