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EARNINGS PER SHARE (Tables) | 6 Months Ended
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Jun. 30, 2018
Earnings Per Share [Abstract] |
Schedule of earnings per share |
(in millions, except per share data) | Three Months Ended June 30, |  | Six Months Ended June 30,
| 2018 |  | 2017 |  | 2018 |  | 2017
Income (loss) from continuing operations | $ | 55.9 |  |  | $ | 95.4 |  |  | $ | 103.5 |  |  | $ | 35.1 |
Gain (loss) on disposition of discontinued operations–net of tax | 1.9 |  |  | 5.4 |  |  | 4.6 |  |  | 61.1 |
Net income (loss) | $ | 57.8 |  |  | $ | 100.8 |  |  | $ | 108.1 |  |  | $ | 96.2 |
Basic shares: |  |  |  |  |  |  |  |
Weighted average shares outstanding | 75.5 |  |  | 95.7 |  |  | 77.6 |  |  | 100.4 |
Earnings (loss) per share – basic: |  |  |  |  |  |  |  |  |
Income (loss) from continuing operations | $ | 0.74 |  |  | $ | 0.99 |  |  | $ | 1.33 |  |  | $ | 0.35 |
Gain (loss) on disposition of discontinued operations–net of tax | 0.03 |  |  | 0.06 |  |  | 0.06 |  |  | 0.61 |
Net income (loss) | $ | 0.77 |  |  | $ | 1.05 |  |  | $ | 1.39 |  |  | $ | 0.96 |
Diluted shares: |  |  |  |  |  |  |  |  |
Weighted average shares outstanding - basic | 75.5 |  |  | 95.7 |  |  | 77.6 |  |  | 100.4 |
Effect of dilutive securities: |  |  |  |  |  |  |  |  |
Stock options and restricted stock awards | 1.2 |  |  | 1.4 |  |  | 1.7 |  |  | 1.8 |
Diluted weighted average shares outstanding | 76.7 |  |  | 97.1 |  |  | 79.3 |  |  | 102.2 |
Earnings (loss) per share – diluted: |  |  |  |  |  |  |  |  |
Income (loss) from continuing operations | $ | 0.73 |  |  | $ | 0.98 |  |  | $ | 1.30 |  |  | $ | 0.34 |
Gain (loss) on disposition of discontinued operations–net of tax | 0.02 |  |  | 0.06 |  |  | 0.06 |  |  | 0.60 |
Net income (loss) | $ | 0.75 |  |  | $ | 1.04 |  |  | $ | 1.36 |  |  | $ | 0.94 |

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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://fasb.org/us-gaap/role/ref/legacyRef -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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