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Fair Value Measurements - Summary of Fair Value Hierarchy for Assets (Details) - CAD ($) $ in Millions | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Disclosure of fair value measurement of assets and liabilities [line items] |  |
Assets | $ 156.8 | $ 198.3
Recurring fair value measurement | Notes payable |  |
Disclosure of fair value measurement of assets and liabilities [line items] |  |
Liabilities | 62.4 | 64.7
Recurring fair value measurement | Derivative financial instruments |  |
Disclosure of fair value measurement of assets and liabilities [line items] |  |
Liabilities | 2.3 | 2.3
Recurring fair value measurement | Investments held for self-insured liabilities |  |
Disclosure of fair value measurement of assets and liabilities [line items] |  |
Assets | 156.8 | 198.3
Recurring fair value measurement | Derivative financial instruments |  |
Disclosure of fair value measurement of assets and liabilities [line items] |  |
Assets | 3.1 | 0.6
Recurring fair value measurement | Level 1 | Notes payable |  |
Disclosure of fair value measurement of assets and liabilities [line items] |  |
Liabilities | 0.0 | 0.0
Recurring fair value measurement | Level 1 | Derivative financial instruments |  |
Disclosure of fair value measurement of assets and liabilities [line items] |  |
Liabilities | 0.0 | 0.0
Recurring fair value measurement | Level 1 | Investments held for self-insured liabilities |  |
Disclosure of fair value measurement of assets and liabilities [line items] |  |
Assets | 0.0 | 0.0
Recurring fair value measurement | Level 1 | Derivative financial instruments |  |
Disclosure of fair value measurement of assets and liabilities [line items] |  |
Assets | 0.0 | 0.0
Recurring fair value measurement | Level 2 | Notes payable |  |
Disclosure of fair value measurement of assets and liabilities [line items] |  |
Liabilities | 0.0 | 0.0
Recurring fair value measurement | Level 2 | Derivative financial instruments |  |
Disclosure of fair value measurement of assets and liabilities [line items] |  |
Liabilities | 2.3 | 2.3
Recurring fair value measurement | Level 2 | Investments held for self-insured liabilities |  |
Disclosure of fair value measurement of assets and liabilities [line items] |  |
Assets | 156.8 | 198.3
Recurring fair value measurement | Level 2 | Derivative financial instruments |  |
Disclosure of fair value measurement of assets and liabilities [line items] |  |
Assets | 3.1 | 0.6
Recurring fair value measurement | Level 3 | Notes payable |  |
Disclosure of fair value measurement of assets and liabilities [line items] |  |
Liabilities | 62.4 | 64.7
Recurring fair value measurement | Level 3 | Derivative financial instruments |  |
Disclosure of fair value measurement of assets and liabilities [line items] |  |
Liabilities | 0.0 | 0.0
Recurring fair value measurement | Level 3 | Investments held for self-insured liabilities |  |
Disclosure of fair value measurement of assets and liabilities [line items] |  |
Assets | 0.0 | 0.0
Recurring fair value measurement | Level 3 | Derivative financial instruments |  |
Disclosure of fair value measurement of assets and liabilities [line items] |  |
Assets | $ 0.0 | $ 0.0

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