XML 73 R64.htm IDEA: XBRL DOCUMENT v3.23.1
Basis of preparation of financial statements (Tables)
12 Months Ended
Dec. 31, 2022
Basis Of Preparation Of Financial Statements  
Schedule of exchange rates used to translate its foreign operations
                       
    Closing rate   Average rate
    2022   2021   2020   2022   2021   2020
US Dollar ("US$")   5.2177   5.5805   5.1967   5.1655   5.3956   5.1578
Canadian dollar ("CAD")   3.8550   4.3882   4.0771   3.9705   4.3042   3.8480
Euro ("EUR")   5.5694   6.3210   6.3779   5.4420   6.3784   5.8989