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Employee Defined Benefit Obligations - Summary of Major Categories of Plan Assets, Measured at Fair Value (Detail) - CAD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018
Disclosure of fair value of plan assets [Line Items]
Cash and cash equivalents	$ 7.6	$ 3.3
Fair value of the plan assets	519.3	448.8
Quoted prices in active markets for identical items [member]
Disclosure of fair value of plan assets [Line Items]
Corporate bonds and fixed income	73.3	57.5
Equities	163.4	138.1
Pooled fund liability-driven investments	13.2	15.5
Property funds	14.4	10.6
Unquoted investment [member]
Disclosure of fair value of plan assets [Line Items]
Annuity policies	123.2	110.8
Equities and property	85.0	80.2
Corporate bonds and fixed income	29.9	19.2
Cash and cash equivalents	$ 9.3	$ 13.6

X

- Definition

The amount cash and cash equivalents contribute to the fair value of defined benefit plan assets. [Refer: Cash and cash equivalents; Plan assets, at fair value; Defined benefit plans [member]]

+ References

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- Definition

The amount instruments representing debt (rather than equity) contribute to the fair value of defined benefit plan assets. [Refer: Plan assets, at fair value; Defined benefit plans [member]]

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The amount instruments representing equity (rather than debt) contribute to the fair value of defined benefit plan assets. [Refer: Plan assets, at fair value; Defined benefit plans [member]]

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The amount investment funds contribute to the fair value of defined benefit plan assets. [Refer: Plan assets, at fair value; Defined benefit plans [member]; Investment funds [member]]

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The fair value of defined benefit plan assets. Plan assets comprise assets held by a long-term employee benefit fund and qualifying insurance policies. [Refer: At fair value [member]]

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Annuity policies amount contributed to fair value of plan assets.

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Equity instruments and property amount contributed to fair value of plan assets.

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Pooled fund liability driven investments amount contributed to fair value of plan assets.

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