Revenue - Additional Information (Details) - CAD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Mar. 31, 2022
Revenue From Contract With Customer [Abstract]
Allowance for estimated returns and price adjustments	$ 3,578	$ 3,335	$ 6,476	$ 8,649
Liability for estimated returns and price adjustments	$ 2,371		$ 2,371		$ 3,437