Intangible Assets - Additional Information (Details) - CAD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Finite Lived Intangible Assets [Line Items]
Amortization of intangible assets			$ 13,536	$ 16,804
Costs Recorded in Cost of Goods Sold
Finite Lived Intangible Assets [Line Items]
Amortization of intangible assets	$ 15	$ 25	29	43
Selling, General and Administrative Expenses
Finite Lived Intangible Assets [Line Items]
Amortization of intangible assets	$ 6,799	$ 8,763	$ 13,507	$ 16,761