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v3.20.4

Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2020
Significant Accounting Policies |
Depreciation of Assets Based on Usage | ​
​ | ​ | ​ | ​ | ​ | ​
Asset |  | Basis |  | Rate / term |
Land improvements |  | Declining balance | ​ | 10 | %
Buildings |  | Straight-line | ​ | 15 - 30 | years
Yard equipment |  | Declining balance | ​ | 20 - 30 | %
Automotive equipment |  | Declining balance | ​ | 30 | %
Computer software and equipment |  | Straight-line | ​ | 3 - 5 | years
Office equipment |  | Declining balance | ​ | 20 | %
Leasehold improvements |  | Straight-line | ​ | Lesser of lease term or economic life | ​
Amortization of Intangible Assets | ​
​ | ​ | ​ | ​ | ​
Asset |  | Basis |  | Rate / term
Trade names and trademarks |  | Straight-line |  | 2 - 15 years or indefinite-lived
Customer relationships |  | Straight-line |  | 6 - 20 years
Software and technology assets |  | Straight-line |  | 3 - 7 years

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