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Other Liabilities (Tables) | 12 Months Ended
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Dec. 31, 2018
Text block [abstract] |
Summary of Other Liabilities |
|  |  |  |  | December 31 |  |  | December 31 |
|  |  |  |  | 2018 |  |  | 2017 |
|  | Note |  |  | $ |  |  | $ |
Lease inducement benefits |  |  |  |  |  |  | 111.2 |  |  |  | 57.2 |
Deferred share units payable |  |  | 22 |  |  |  | 9.0 |  |  |  | 15.5 |
Other cash-settled share-based compensation |  |  | 22 |  |  |  | 3.8 |  |  |  | 7.0 |
Liability for uncertain tax positions |  |  |  |  |  |  | 35.0 |  |  |  | 31.3 |
Other |  |  |  |  |  |  | 4.6 |  |  |  | 16.3 |
|  |  |  |  | 163.6 |  |  | 127.3 |
Less current portion |  |  |  |  |  |  | 23.2 |  |  |  | 26.2 |
Long-term portion |  |  |  |  |  |  | 140.4 |  |  |  | 101.1 |

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