XML 119 R98.htm IDEA: XBRL DOCUMENT v3.22.4
Goodwill and Impairment Review of Goodwill - Additional Information (Detail) - CAD ($)
$ in Thousands
 12 Months Ended
Sep. 30, 2022
Dec. 31, 2022
Dec. 31, 2021
Disclosure of reconciliation of changes in goodwill [line items]      
Impairment loss recognised in profit or loss, goodwill   $ (48,000) $ 0
Rest Of World [Member]      
Disclosure of reconciliation of changes in goodwill [line items]      
Tax rate effect of impairment of goodwill     12.60%
CANADA [Member]      
Disclosure of reconciliation of changes in goodwill [line items]      
Impairment loss recognised in profit or loss, goodwill $ 48,000    
EH Operating Segments [Member]      
Disclosure of reconciliation of changes in goodwill [line items]      
Tax rate effect of impairment of goodwill   14.50%  
Latin America [Member]      
Disclosure of reconciliation of changes in goodwill [line items]      
Tax rate effect of impairment of goodwill   15.30%  
Earnings before finance costs and tax   $ 43,700  
Impact on value in use   $ 54,800  
United States      
Disclosure of reconciliation of changes in goodwill [line items]      
Tax rate effect of impairment of goodwill   10.70% 9.40%
Canada      
Disclosure of reconciliation of changes in goodwill [line items]      
Tax rate effect of impairment of goodwill   12.00% 10.70%