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Financial Instruments - Timing of Undiscounted Cash Outflows Relating to Financial Liabilities (Details) - CAD ($) $ in Millions | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Disclosure of maturity analysis for non-derivative financial liabilities [line items] |  |
Bank indebtedness | $ 65.4 | $ 7.2
Trade and other payables | 755.7 | 634.7
Lease liabilities | 708.0 | 758.9
Long-term debt | 1,241.3 | 1,250.0
Other financial liabilities | 6.0 | 6.2
Total contractual obligations | 2,776.4 | 2,657.0
Less than 1 Year |  |
Disclosure of maturity analysis for non-derivative financial liabilities [line items] |  |
Bank indebtedness | 65.4 | 7.2
Trade and other payables | 755.7 | 634.7
Lease liabilities | 118.7 | 136.9
Long-term debt | 54.0 | 52.6
Other financial liabilities | 4.0 | 3.4
Total contractual obligations | 997.8 | 834.8
1 to 3 Years |  |
Disclosure of maturity analysis for non-derivative financial liabilities [line items] |  |
Bank indebtedness | 0.0 | 0.0
Trade and other payables | 0.0 | 0.0
Lease liabilities | 240.1 | 241.2
Long-term debt | 192.1 | 190.7
Other financial liabilities | 2.0 | 2.7
Total contractual obligations | 434.2 | 434.6
After 3 Years |  |
Disclosure of maturity analysis for non-derivative financial liabilities [line items] |  |
Bank indebtedness | 0.0 | 0.0
Trade and other payables | 0.0 | 0.0
Lease liabilities | 349.2 | 380.8
Long-term debt | 995.2 | 1,006.7
Other financial liabilities | 0.0 | 0.1
Total contractual obligations | $ 1,344.4 | $ 1,387.6

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- Definition The amount of contractual undiscounted cash flows in relation to lease liabilities before deducting finance charges. [Refer: Lease liabilities] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2022-03-24 -Paragraph 58 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2022-en-r&anchor=para_58&doctype=Standard -URIDate 2022-03-24 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Name IFRS -Number 7 -IssueDate 2022-03-24 -Paragraph B11D -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2022-en-r&anchor=para_B11D_a&doctype=Appendix&subtype=B -URIDate 2022-03-24 + Details
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