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Inventories (Details) - CAD ($)
$ in Thousands
Dec. 31, 2022
Dec. 31, 2021
Public Utilities, Inventory [Line Items]    
Inventory, net $ 49,898 $ 44,544
Repair parts    
Public Utilities, Inventory [Line Items]    
Inventory, net 26,036 19,519
Tires and track frames    
Public Utilities, Inventory [Line Items]    
Inventory, net 3,372 2,617
Fuel and lubricants    
Public Utilities, Inventory [Line Items]    
Inventory, net 2,237 1,832
Parts and supplies    
Public Utilities, Inventory [Line Items]    
Inventory, net 31,645 23,968
Parts, supplies and components for equipment rebuilds    
Public Utilities, Inventory [Line Items]    
Inventory, net 14,899 15,858
Customer rebuild work in process    
Public Utilities, Inventory [Line Items]    
Inventory, net $ 3,354 $ 4,718