XML 143 R124.htm IDEA: XBRL DOCUMENT v3.22.0.1
Income Taxes - Significant Components of Net Deferred Income Tax Assets (Liabilities) (Details) - CAD ($)
$ in Millions
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]      
Deferred tax assets $ 48.3 $ 42.4  
Deferred tax liabilities (77.5) (63.4)  
Deferred income tax assets (liabilities) (29.2) (21.0) $ (41.3)
Lease liabilities      
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]      
Deferred tax assets 166.7 154.9  
Differences in timing of taxability of revenue and deductibility of expenses      
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]      
Deferred tax assets 47.3 27.7  
Loss and tax credit carryforwards      
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]      
Deferred tax assets 28.2 8.7  
Employee defined benefit plan      
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]      
Deferred tax assets 7.3 5.7  
Other      
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]      
Deferred tax assets 1.5 1.2  
Carrying value of property and equipment in excess of tax cost      
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]      
Deferred tax liabilities (15.2) (26.2)  
Carrying value of intangible assets in excess of tax cost      
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]      
Deferred tax liabilities (147.1) (84.3)  
Lease assets      
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]      
Deferred tax liabilities $ (117.9) $ (108.7)