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Segmented Information - Additional Information (Details) - CAD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Disclosure of geographical areas [line items]
Gross revenue	$ 6,479.6	$ 5,677.2
Increase (decrease) due to corrections of prior period errors
Disclosure of geographical areas [line items]
Gross revenue		61.2
United Kingdom
Disclosure of geographical areas [line items]
Gross revenue	411.6	348.1
United Kingdom | Previously stated
Disclosure of geographical areas [line items]
Gross revenue		409.3
United Kingdom | Increase (decrease) due to corrections of prior period errors
Disclosure of geographical areas [line items]
Gross revenue		348.1
Other global geographies
Disclosure of geographical areas [line items]
Gross revenue	$ 553.7	476.2
Other global geographies | Previously stated
Disclosure of geographical areas [line items]
Gross revenue		415.0
Other global geographies | Increase (decrease) due to corrections of prior period errors
Disclosure of geographical areas [line items]
Gross revenue		$ 476.2

X

- 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.

+ References

No definition available.

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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
-Name IFRS
-Number 15
-IssueDate 2023-01-01
-Paragraph 114
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2023-en-r&anchor=para_114&doctype=Standard
-URIDate 2023-03-23

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 15
-IssueDate 2023-01-01
-Paragraph 113
-Subparagraph a
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2023-en-r&anchor=para_113_a&doctype=Standard
-URIDate 2023-03-23

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