XML 186 R163.htm IDEA: XBRL DOCUMENT v3.22.0.1
Commitments and Contingent Liabilities (Details) - CAD ($)
$ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Commitments and Contingent Liabilities (Details) [Line Items]    
Customer prepayments $ 368.1 $ 414.1
Defense costs 50.0  
Interest amount 73.0  
Value of reassessed revenue $ 6.9  
Outstanding percentage 50.00%  
Canadian Tax Authorities Member    
Commitments and Contingent Liabilities (Details) [Line Items]    
Value of reassessed revenue $ 13.0  
Canada Revenue Agency [Member]    
Commitments and Contingent Liabilities (Details) [Line Items]    
Value of reassessed revenue $ 4.7