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Lease Assets - Amounts Recognized in the Consolidated Statement of Cash Flows (Details) - CAD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Leases [Abstract]
Cash payments for the interest portion of lease liabilities	$ 28.8	$ 32.3
Cash payments for leases not included in the measurement of lease liabilities	47.4	53.6
Cash outflow in operating activities	76.2	85.9
Cash payments for the principal portion of lease liabilities	129.3	116.7
Proceeds from lease inducements	(2.8)	(50.4)
Cash outflow in financing activities	126.5	66.3
Total cash outflow for leases	$ 202.7	$ 152.2

X

- Definition

The cash outflow for leases.

+ References

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-Name IFRS
-Number 16
-IssueDate 2020-01-01
-Paragraph 53
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X

- Definition

The cash outflow for payment of lease liabilities, classified as financing activities. [Refer: Lease liabilities]

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Name IAS
-Number 7
-IssueDate 2020-01-01
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X

- Definition

Cash flows used in financing activities for leases

+ References

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- Definition

Cash flows used in operating activities for leases

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- Definition

Cash payments for leases not included in the measurement of lease liabilities.

+ References

No definition available.

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- Definition

Interest Payments Of Lease Liabilities.

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- Definition

Leases

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- Definition

Proceeds from lease inducements classified as financing activities

+ References

No definition available.

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