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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 |

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