Segment Information - Summary of Disaggregation of Net Revenue by Geographic Area (Details) - CAD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Revenues From External Customers And Long Lived Assets [Line Items]
Net revenue	$ 62,991	$ 69,595	$ 129,203	$ 145,853
CANADA
Revenues From External Customers And Long Lived Assets [Line Items]
Net revenue	37,077	41,168	74,755	82,700
Germany
Revenues From External Customers And Long Lived Assets [Line Items]
Net revenue	14,206	10,079	29,720	21,827
United States
Revenues From External Customers And Long Lived Assets [Line Items]
Net revenue	7,340	6,128	15,955	17,768
Other
Revenues From External Customers And Long Lived Assets [Line Items]
Net revenue	$ 4,368	$ 12,220	$ 8,773	$ 23,558