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Earnings per Share (Tables) | 9 Months Ended
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Sep. 30, 2019
Earnings Per Share [Abstract] |
Reconciliation of Number of Shares Used in Calculating Basic and Diluted Earnings per Share | The following table reconciles the number of shares used in calculating basic and diluted earnings per share:
|  | Three Months Ended September 30, |  |  | Nine Months Ended September 30, |
(in thousands, except per share amounts) |  | 2019 |  |  | 2018 |  |  | 2019 |  |  | 2018 |
Net income |  | $ | 20,565 |  |  | $ | 60,336 |  |  | $ | 44,262 |  |  | $ | 121,081 |
Basic weighted-average shares outstanding |  |  | 67,446 |  |  |  | 62,986 |  |  |  | 67,781 |  |  |  | 58,765 |
Incremental shares due to: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Performance shares |  |  | 65 |  |  |  | 270 |  |  |  | 50 |  |  |  | 263 |
Restricted stock units |  |  | 34 |  |  |  | 37 |  |  |  | 17 |  |  |  | 33 |
Stock portion of earnings and profits distribution |  |  | — |  |  |  | 1,429 |  |  |  | — |  |  |  | 481 |
Diluted weighted-average shares outstanding |  |  | 67,545 |  |  |  | 64,722 |  |  |  | 67,848 |  |  |  | 59,542 |
Basic net income per share |  | $ | 0.30 |  |  | $ | 0.96 |  |  | $ | 0.65 |  |  | $ | 2.06 |
Diluted net income per share |  | $ | 0.30 |  |  | $ | 0.93 |  |  | $ | 0.65 |  |  | $ | 2.03 |

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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://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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