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Employee Costs | 12 Months Ended
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Dec. 31, 2017
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Employee Costs | 31. Employee Costs
|  |  |  |  | For the year ended December 31 |
|  |  |  |  | 2017 |  |  | 2016 |
|  | Note |  |  | $ |  |  | $ |
Wages, salaries, and benefits |  |  |  |  |  |  | 2,444.8 |  |  |  | 2,211.7 |
Pension costs |  |  |  |  |  |  | 70.2 |  |  |  | 58.9 |
Share-based compensation |  |  | 25 |  |  |  | 9.5 |  |  |  | 8.9 |
Total employee costs |  |  |  |  |  |  | 2,524.5 |  |  |  | 2,279.5 |
Direct labor |  |  |  |  |  |  | 1,589.4 |  |  |  | 1,422.1 |
Indirect labor |  |  |  |  |  |  | 935.1 |  |  |  | 857.4 |
Total employee costs |  |  |  |  |  |  | 2,524.5 |  |  |  | 2,279.5 |
Direct labor costs include salaries, wages, and related fringe benefits for labor hours directly associated with the completion of projects. Bonuses, share-based compensation, termination payments, and salaries, wages, and related fringe benefits for labor hours not directly associated with the completion of projects are included in indirect labor costs. Indirect labor costs are included in administrative and marketing expenses in the consolidated statements of income. Included in pension costs is $67.7 (2016 – $57.2) related to defined contribution plans.

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