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Employee Costs from Continuing Operations - Schedule of Employee Benefits Cost (Detail) - CAD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Disclosure of employee costs [abstract]
Wages, salaries, and benefits	$ 2,629.9	$ 2,365.0
Pension costs	75.0	77.1
Share-based compensation	18.1	5.3
Total employee costs	2,723.0	2,447.4
Direct labor	1,702.9	1,540.0
Indirect labor	1,020.1	907.4
Total employee costs	$ 2,723.0	$ 2,447.4

X

- Definition

The expense of all forms of consideration given by an entity in exchange for a service rendered by employees or for the termination of employment.

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- Definition

The amount of expense from share-based payment transactions with employees.

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- Definition

The amount of expense from employee benefits (other than termination benefits) that are expected to be settled wholly within twelve months after the end of the annual reporting period in which the employees render the related services.

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Direct labor costs.

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Disclosure of employee costs.

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Employee pension costs.

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Indirect labor costs.

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