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Earnings per Share (Tables) | 12 Months Ended
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Dec. 31, 2015
Earnings Per Share [Abstract] |
Reconciliation of information used in computing basic and diluted earnings per share | Basic and diluted earnings per share was computed as follows (in millions except share and per share amounts):
| Years Ended December 31,
| 2015 (1) |  | 2014 (2) |  | 2013 (2)
Net (loss) earnings | $ | (233.8 | ) |  | $ | (87.0 | ) |  | $ | 105.8 |
Basic (loss) earnings per common share: |  |  |  |  |
Basic weighted-average shares outstanding | 86,802,828 |  |  | 85,046,042 |  |  | 85,019,159 |
Basic (loss) earnings per share | $ | (2.69 | ) |  | $ | (1.02 | ) |  | $ | 1.24 |
Diluted (loss) earnings per common share: |  |  |  |  |
Basic weighted-average shares outstanding | 86,802,828 |  |  | 85,046,042 |  |  | 85,019,159 |
Dilutive effect of stock-based awards | — |  |  | — |  |  | — |
Diluted weighted-average shares outstanding | 86,802,828 |  |  | 85,046,042 |  |  | 85,019,159 |
Diluted (loss) earnings per share | $ | (2.69 | ) |  | $ | (1.02 | ) |  | $ | 1.24 |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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