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Related Parties - Additional Information (Detail)
R$ in Millions, $ in Millions
 12 Months Ended
Dec. 22, 2020
CAD ($)
Dec. 31, 2020
Dec. 22, 2020
BRL (R$)
Dec. 22, 2020
CAD ($)
Text Block [Abstract]        
Percent of equity method investment   45    
Percent controlling interest   50    
Percent interest in a joint venture   65    
Net asset acquired     R$ 6.7 $ 1.7
Increase (decrease) through appropriation of retained earnings, equity $ 0.2