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Other Long-Term Liabilities (Details) - CAD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Disclosure of other non-current liabilities [text block] [Abstract]
Current and long-term decommissioning liabilities	$ 3.4	$ 3.9
Interest expense	0.1	0.1
Decommissioning liabilities	$ 0.6
Decommissioning liabilities, description	It is expected that the decommissioning liabilities will mature between 2022 and 2062.
Interest payments	$ 15.7

X

- Definition

The amount of interest expense on bonds issued. [Refer: Interest expense; Bonds issued]

+ References

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- Definition

The amount of interest recognised as a liability.

+ References

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- Definition

The amount of long-term employee benefits other than post-employment benefits and termination benefits. Such benefits may include long-term paid absences, jubilee or other long-service benefits, long-term disability benefits, long-term profit-sharing and bonuses and long-term deferred remuneration. [Refer: Employee benefits expense]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition

Amount of decommissioning liabilities derecognized.

+ References

No definition available.

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- Definition

Decommissioning liabilities, description.

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