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Balance Sheet Classification of Provisions and Other (Detail) - CAD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Disclosure Of Other Provisions [Abstract]
Current	$ 745	$ 1,907
Long-term	7,563	9,959
Other provisions	$ 8,308	$ 11,866	$ 13,373

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- Definition

The amount of non-current provisions other than provisions for employee benefits. [Refer: Non-current provisions]

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The amount of provisions other than provisions for employee benefits. [Refer: Provisions]

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The amount of current provisions other than provisions for employee benefits. [Refer: Provisions]

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