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Net Earnings Per Share | 3 Months Ended
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Mar. 31, 2017
Earnings Per Share [Abstract] |
Net Earnings Per Share | Net Earnings Per Share The calculations of net earnings per share – basic and net earnings per share – diluted were as follows:
| 3 Months Ended
| March 31,
| 2017 |  | 2016
Net earnings available to common shareholders | $ | 74.4 |  |  | $ | 71.7 |
Weighted-average common shares outstanding (in millions) |  |  |
Weighted-average common shares outstanding - basic | 67.7 |  |  | 72.8 |
Effect of dilutive securities - stock options | 0.2 |  |  | 0.3 |
Effect of other share-based awards | 0.5 |  |  | 0.4 |
Weighted-average common shares outstanding - diluted | 68.4 |  |  | 73.5 |
Net earnings per share - basic | $ | 1.10 |  |  | $ | 0.98 |
Net earnings per share - diluted | $ | 1.09 |  |  | $ | 0.98 |
There were 0.1 million and 0.4 million share-based awards excluded from the calculation of net earnings per share – diluted for the three months ended March 31, 2017 and 2016, respectively, as the exercise prices for these awards was greater than the average market price of the common shares during the period.

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