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Equity-accounted investee - Associate financial position (Details) - CAD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | --- | ---
Disclosure of significant investments in associates [Line Items] |  |  |
Cash and cash equivalents | $ 918,382 | $ 1,062,431 | $ 711,528
Non-current assets | 5,635,787 | 5,620,270 |
Current liabilities | (303,783) | (277,410) |
Non-current liabilities | (2,318,487) | (2,154,875) |
JV Inkai [Member] |  |  |
Disclosure of significant investments in associates [Line Items] |  |  |
Cash and cash equivalents | 47,539 | 16,699 |
Other current assets | 115,647 | 139,324 |
Non-current assets | 343,767 | 398,721 |
Current liabilities | (26,397) | (71,162) |
Non-current liabilities | (39,991) | (41,508) |
Net assets | $ 440,565 | $ 442,074 | $ 416,843

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