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Segmented Information - Schedule of Non-Current Assets and Gross Revenue by Geographical Areas (Details) - CAD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Disclosure of geographical areas [line items]
Non-Current Assets	$ 3,912.8	$ 3,049.7
Gross Revenue	7,500.0	6,479.6
Canada
Disclosure of geographical areas [line items]
Non-Current Assets	692.3	541.0
Gross Revenue	1,665.5	1,426.5
United States
Disclosure of geographical areas [line items]
Non-Current Assets	2,020.7	1,848.9
Gross Revenue	4,113.6	3,634.5
United Kingdom
Disclosure of geographical areas [line items]
Non-Current Assets	367.0	163.2
Gross Revenue	589.3	411.6
Australia
Disclosure of geographical areas [line items]
Non-Current Assets	339.3	338.3
Gross Revenue	415.2	453.3
Other geographies
Disclosure of geographical areas [line items]
Non-Current Assets	493.5	158.3
Gross Revenue	$ 716.4	$ 553.7

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- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table.

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- Definition

The amount of non-current assets other than financial instruments, deferred tax assets, post-employment benefit assets and rights arising under insurance contracts. [Refer: Deferred tax assets; Classes of financial instruments [domain]; Non-current assets]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-IssueDate 2024-01-01
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- Definition

The amount of revenue from contracts with customers. A customer is a party that has contracted with an entity to obtain goods or services that are an output of the entity’s ordinary activities in exchange for consideration.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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