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EARNINGS PER SHARE (Tables) | 3 Months Ended
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Mar. 31, 2018
Earnings Per Share [Abstract] |
Schedule of earnings per share |
(in millions, except per share data) | Three Months Ended March 31,
| 2018 |  | 2017
Income (loss) from continuing operations | $ | 47.6 |  |  | $ | (60.3 | )
Gain (loss) on disposition of discontinued operations–net of tax | 2.7 |  |  | 55.7 |
Net income (loss) | $ | 50.3 |  |  | $ | (4.6 | )
Basic shares: |  |  |  |
Weighted average shares outstanding | 79.7 |  |  | 105.2 |
Earnings (loss) per share – basic: |  |  |  |  |
Income (loss) from continuing operations | $ | 0.60 |  |  | $ | (0.57 | )
Gain (loss) on disposition of discontinued operations–net of tax | 0.03 |  |  | 0.53 |
Net income (loss) | $ | 0.63 |  |  | $ | (0.04 | )
Diluted shares: |  |  |  |  |
Weighted average shares outstanding - basic | 79.7 |  |  | 105.2 |
Effect of dilutive securities: |  |  |  |  |
Stock options and restricted stock awards | 2.0 |  |  | — |
Diluted weighted average shares outstanding | 81.7 |  |  | 105.2 |
Earnings (loss) per share – diluted: |  |  |  |  |
Income (loss) from continuing operations | $ | 0.59 |  |  | $ | (0.57 | )
Gain (loss) on disposition of discontinued operations–net of tax | 0.03 |  |  | 0.53 |
Net income (loss) | $ | 0.62 |  |  | $ | (0.04 | )

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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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