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Financial instruments (Tables)
12 Months Ended
Mar. 31, 2023
Disclosure Of Commitments [Abstract]  
Disclosure of maturity analysis of commitments The table below outlines the maturity analysis as at March 31, 2023 for the Company's short-term leases and variable lease payments, and for the minimum fixed and determinable portion of the Company's material unconditional purchase obligations:
< 1
Year
1 to 5
Years
>5
Years
Total
$$$$
Short-term leases and variable lease payments
3,106 8,503 3,161 14,770 
Material unconditional purchase obligations32,077 85,441 — 117,518 
Total contractual obligations35,183 93,944 3,161 132,288