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Financial Instruments - Additional Information (Details) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2024 CAD ($) day | Dec. 31, 2023 CAD ($) day | Oct. 29, 2021 CAD ($)
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |
Maximum amount of credit risk exposure | $ 2,702.7 | $ 2,407.3 |
Number of internal target days of revenue in trade receivables | day | 61 | 59 |
Adjustments in net income resulting from 1% changes in interest rate | $ 2.8 | $ 3.0 |
Additional revolving credit facilities amount |  |  | $ 600.0
Adjustments in net income resulting from 0.5% changes in interest rate | 5.3 | 4.0 |
Revolving credit facility |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |
Amount of revolving credit facility | 800.0 |  |
Unused capacity of the facility | 539.8 | 718.1 |
Credit Facilities |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |
Unused capacity of the facility | 563.2 | 732.7 |
Swap contract | PSUs and DSUs |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |
Gross carrying amount | 8.2 | 7.0 |
Gains on change in fair value of derivatives | 1.1 | 7.4 |
Cash flow hedges | RSUs |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |
Unrealized gain on interest rate swap | 2.4 | 13.2 |
Gains on cash flow hedges, net of tax | 1.8 | 10.1 |
Reclassification adjustments on cash flow hedges, before tax | $ 5.5 | 8.1 |
Cash flow hedges | Total Return Swap On Share-Based Compensation Units |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |
Interest rate swap agreement, amount | 25.5 |  |
Cash flow hedges | Swap contract | RSUs | Financial assets at fair value through other comprehensive income, category |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |
Hedging instrument, assets | $ 10.7 | $ 13.0 |

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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. + References No definition available. + Details
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- Definition The amount of assets that are: (a) cash; (b) an equity instrument of another entity; (c) a contractual right: (i) to receive cash or another financial asset from another entity; or (ii) to exchange financial assets or financial liabilities with another entity under conditions that are potentially favourable to the entity; or (d) a contract that will, or may be, settled in the entity’s own equity instruments and is: (i) a non-derivative for which the entity is, or may be, obliged to receive a variable number of the entity’s own equity instruments; or (ii) a derivative that will, or may be, settled other than by the exchange of a fixed amount of cash or another financial asset for a fixed number of the entity’s own equity instruments. For this purpose the entity’s own equity instruments do not include puttable financial instruments classified as equity instruments in accordance with paragraphs 16A-16B of IAS 32, instruments that impose on the entity an obligation to deliver to another party a pro rata share of the net assets of the entity only on liquidation and are classified as equity instruments in accordance with paragraphs 16C-16D of IAS 32, or instruments that are contracts for the future receipt or delivery of the entity’s own equity instruments. [Refer: Classes of financial instruments [domain]; Financial liabilities] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2024-01-01 -Paragraph 25 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2024-en-r&anchor=para_25&doctype=Standard -URIDate 2024-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2024-01-01 -Paragraph 35H -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2024-en-r&anchor=para_35H&doctype=Standard -URIDate 2024-03-27 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2024-01-01 -Paragraph 35M -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2024-en-r&anchor=para_35M&doctype=Standard -URIDate 2024-03-27 Reference 4: http://www.xbrl.org/2003/role/exampleRef -Name IFRS -Number 7 -IssueDate 2024-01-01 -Paragraph 35N -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2024-en-r&anchor=para_35N&doctype=Standard -URIDate 2024-03-27 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2024-01-01 -Paragraph 35I -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2024-en-r&anchor=para_35I&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The gain (loss) on the change in fair value of the hedging instrument used as a basis for recognising hedge ineffectiveness. Hedge ineffectiveness is the extent to which the changes in the fair value or the cash flows of the hedging instrument are greater or less than those on the hedged item. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2024-01-01 -Paragraph 24A -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2024-en-r&anchor=para_24A_c&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The amount that best represents the maximum exposure to credit risk without taking into account any collateral held or other credit enhancements (for example, netting agreements that do not qualify for offset in accordance with IAS 32). [Refer: Credit risk [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2024-01-01 -Paragraph 35K -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2024-en-r&anchor=para_35K_a&doctype=Standard -URIDate 2024-03-27 + Details
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