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Net (Loss) Income Per Share (Tables) | 9 Months Ended
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Sep. 30, 2020
Earnings Per Share [Abstract] |
Schedule of Net Income (Loss) Per Share | Net (loss) income per share was calculated as follows:
| Three Months Ended September 30, |  | Nine Months Ended September 30,
(in millions, except per share data) | 2020 |  | 2019 |  | 2020 |  | 2019
Net (loss) income - basic and diluted | $ | (57.6) |  |  | $ | 53.8 |  |  | $ | 59.4 |  |  | $ | 3.0 |
Weighted-average common shares outstanding:
Basic | 93.3 |  |  | 91.9 |  |  | 93.0 |  |  | 91.4 |
Effect of dilutive securities:
Stock options | — |  |  | 2.5 |  |  | 2.5 |  |  | 2.6 |
Restricted stock | — |  |  | 0.5 |  |  | 0.5 |  |  | 0.4 |
2024 Notes | — |  |  | 1.3 |  |  | 2.0 |  |  | 0.8 |
Diluted | 93.3 |  |  | 96.1 |  |  | 98.0 |  |  | 95.2 |
Net (loss) income per share: |  |  |  |  |  |  |
Basic | $ | (0.62) |  |  | $ | 0.59 |  |  | $ | 0.64 |  |  | $ | 0.03 |
Diluted | $ | (0.62) |  |  | $ | 0.56 |  |  | $ | 0.61 |  |  | $ | 0.03 |

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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/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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