Biological Assets - Changes in Carrying Value of Biological Assets (Details) - CAD ($) $ in Thousands	12 Months Ended
Mar. 31, 2026	Mar. 31, 2025
Reconciliation of changes in biological assets [abstract]
Balance, beginning of period	$ 51,168	$ 42,774
Production costs capitalized	100,226	116,915
Reclassified to discontinued operations, net	(44,321)	(50,788)
Gain (loss) on changes in fair value of biological assets	116,131	168,111
Disposal of Plant Propagation	(25,848)
Transferred to inventory upon harvest	(176,899)	(225,627)
Other	(244)	(217)
Balance, end of period	$ 20,213	$ 51,168

Decrease through classified as discontinued operations, biological assets

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The amount of additions to biological assets, other than those acquired through business combinations. [Refer: Total for all business combinations [member]; Biological assets]

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The amount of living animals or plants recognised as assets.

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The decrease in biological assets due to the detachment of produce from the assets or the cessation of the assets' life processes. [Refer: Biological assets]

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The decrease in biological assets resulting from disposals. [Refer: Biological assets]

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The increase (decrease) in biological assets resulting from changes that the entity does not separately disclose in the same statement or note. [Refer: Biological assets]

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