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Capital management (Details) - CAD ($) $ in Thousands | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
--- | --- | --- | ---
Disclosure of objectives policies and processes for managing capital abstract |  |  |
Current portion of long-term debt | $ 499,599 | $ 0 |
Long-term debt | 996,072 | 1,494,471 |
Cash and cash equivalents | (711,528) | (591,620) | $ (320,278)
Short-term investments | (391,025) | 0 |
Net debt | 393,118 | 902,851 |
Non-controlling interest | 310 | 371 |
Shareholders' equity | 4,993,282 | 4,859,288 |
Total shareholders' equity | 4,993,592 | 4,859,659 | $ 5,258,528
Total capital | $ 5,386,710 | $ 5,762,510 |

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