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Income Taxes - Additional Information (Details) - CAD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Income Taxes [Abstract]
Current	$ 146.2	$ 141.6
Unused tax credits for which no deferred tax asset recognised	4.2	$ 3.9
Current tax expense, related to Pillar Two income taxes	$ 2.5

X

- Definition

The amount of income taxes payable (recoverable) in respect of the taxable profit (tax loss) for a period.

+ References

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- Definition

The amount of current tax expense (income) related to Pillar Two income taxes.

+ References

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-Name IAS
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- Definition

The amount of unused tax credits for which no deferred tax asset is recognised in the statement of financial position. [Refer: Unused tax credits [member]]

+ References

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- Definition

Income Taxes

+ References

No definition available.

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