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Earnings per Share (Tables) | 6 Months Ended
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Jun. 30, 2021
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 June 30, |  |  | Six Months Ended June 30, |
(in thousands) |  | 2021 |  |  | 2020 |  |  | 2021 |  |  | 2020 |
Basic weighted-average shares outstanding |  |  | 67,316 |  |  |  | 67,176 |  |  |  | 67,265 |  |  |  | 67,321 |
Incremental shares due to: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Performance shares |  |  | 355 |  |  |  | 153 |  |  |  | 343 |  |  |  | — |
Restricted stock units |  |  | 61 |  |  |  | 30 |  |  |  | 56 |  |  |  | — |
Diluted weighted-average shares outstanding |  |  | 67,732 |  |  |  | 67,359 |  |  |  | 67,664 |  |  |  | 67,321 |

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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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