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Summary of Significant Accounting Policies - Additional Information (Detail) - CAD ($)
$ in Millions
 3 Months Ended 12 Months Ended
Mar. 31, 2021
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Statements [Line Items]        
Impact of the net reclassification on cost of goods sold and gross margin $ 4.1 $ 17.3 $ 18.9 $ 14.9
Stock Options Equity Settled Share Based Payments [Member]        
Statements [Line Items]        
Description of vesting requirements for share based payment arrangement   over a five-year    
Description of maximum term of options granted for share based payment arrangement   seven-year    
Number of days proceeding the date of the grant   5 days    
Phantom Share Entitlement [Member]        
Statements [Line Items]        
Description of vesting requirements for share based payment arrangement   over a five-year    
Description of maximum term of options granted for share based payment arrangement   seventh anniversary    
Number of days proceeding the date of the grant   5 days    
Bottom of range [member]        
Statements [Line Items]        
Rental equipment useful life   5 years    
Estimated useful life of the overhaul   2 years    
Useful life measured as period of time, Intangible assets other than goodwill   3 years    
Top of range [member]        
Statements [Line Items]        
Rental equipment useful life   20 years    
Estimated useful life of the overhaul   5 years    
Useful life measured as period of time, Intangible assets other than goodwill   8 years    
Joint ventures [member]        
Statements [Line Items]        
Proportion of ownership interest in joint venture   65.00%    
Roska DBO [Member]        
Statements [Line Items]        
Proportion of ownership interest in associate   45.00%