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Capital Management - Adjusted Funds Flow (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2021 CAD ($) | Dec. 31, 2020 CAD ($)
Corporate Information And Statement Of IFRS Compliance [Abstract] |  |
Cash flows from operating activities | $ 712,384 | $ 353,096
Change in non-cash working capital | 26,582 | (48,758)
Asset retirement obligations settled | 6,662 | 7,168
Adjusted Funds Flow | $ 745,628 | $ 311,506
Net Debt to Adjusted Funds Flow | 1.9 | 5.9

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- Definition Payments For Decommissioning, Restoration And Rehabilitation Costs + References No definition available. + Details
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