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Lease Assets - Schedule of Right-of-use Assets (Details) - CAD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023
Disclosure of quantitative information about right-of-use assets [line items] |  |
Beginning balance | $ 442.9 |
Depreciation | (127.1) | $ (121.7)
Ending balance | 474.3 | 442.9
Right-of-use assets |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Beginning balance | 442.9 | 470.4
Additions | 70.9 | 48.3
Acquisitions | 60.8 | 15.0
Depreciation | (127.1) | (121.7)
Modifications | 37.1 | 33.6
Reversal of impairment, net | (29.0) | 1.6
Foreign exchange | 18.7 | (4.3)
Ending balance | 474.3 | 442.9
Building | Right-of-use assets |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Beginning balance | 431.0 | 455.0
Additions | 60.3 | 45.4
Acquisitions | 56.8 | 14.6
Depreciation | (117.7) | (114.7)
Modifications | 36.4 | 33.3
Reversal of impairment, net | (29.0) | 1.6
Foreign exchange | 17.0 | (4.2)
Ending balance | 454.8 | 431.0
Other | Right-of-use assets |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Beginning balance | 11.9 | 15.4
Additions | 10.6 | 2.9
Acquisitions | 4.0 | 0.4
Depreciation | (9.4) | (7.0)
Modifications | 0.7 | 0.3
Reversal of impairment, net | 0.0 | 0.0
Foreign exchange | 1.7 | (0.1)
Ending balance | $ 19.5 | $ 11.9

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- Definition The increase in right-of-use assets resulting from acquisitions through business combinations. [Refer: Total for all business combinations [member]; Right-of-use assets] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 16 -IssueDate 2024-01-01 -Paragraph 73 -Subparagraph e -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2024-en-r&anchor=para_73_e&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The amount of additions to right-of-use assets. [Refer: Right-of-use assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2024-01-01 -Paragraph 53 -Subparagraph h -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2024-en-r&anchor=para_53_h&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The amount of depreciation of right-of-use assets. [Refer: Depreciation and amortisation expense; Right-of-use assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2024-01-01 -Paragraph 53 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2024-en-r&anchor=para_53_a&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The increase (decrease) in right-of-use assets resulting from net exchange differences arising on the translation of the financial statements from the functional currency into a different presentation currency, including the translation of a foreign operation into the presentation currency of the reporting entity. [Refer: Right-of-use assets] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 16 -IssueDate 2024-01-01 -Paragraph 73 -Subparagraph e -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2024-en-r&anchor=para_73_e&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The amount of assets that represent a lessee's right to use an underlying asset for the lease term that do not meet the definition of investment property. Underlying asset is an asset that is the subject of a lease, for which the right to use that asset has been provided by a lessor to a lessee. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2024-01-01 -Paragraph 53 -Subparagraph j -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2024-en-r&anchor=para_53_j&doctype=Standard -URIDate 2024-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2024-01-01 -Paragraph 47 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2024-en-r&anchor=para_47_a&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition Impairment loss (reversal of impairment loss) recognised in profit or loss, right-of-use assets + References No definition available. + Details
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