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Earnings Per Share (Tables) | 9 Months Ended
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Sep. 30, 2018
Earnings Per Share [Abstract] |
Details of Basic and Diluted Earnings Per Share (EPS) from Continuing Operations | The following table sets forth the details of basic and diluted earnings per share (“EPS”) from continuing operations:
| Three months ended September 30 |
In thousands, except per share | 2018 |  |  |  | 2017 |
Income (loss) from continuing operations | $ | (705 | ) |  |  | $ | 5,045 |
Weighted average common shares |  |  |  |  |  |  |  |
outstanding used in basic EPS |  | 43,792 |  |  |  |  | 43,617 |
Effect of dilutive SOSARs, |  |  |  |  |  |  |  |
PSAs and RSUs |  | — |  |  |  |  | 565 |
Weighted average common shares |  |  |  |  |  |  |  |
outstanding and common share |  |  |  |  |  |  |  |
equivalents used in diluted EPS |  | 43,792 |  |  |  |  | 44,182 |
Earnings (loss) per share from continuing operations |  |  |  |  |  |  |  |
Basic | $ | (0.02 | ) |  |  | $ | 0.12 |
Diluted |  | (0.02 | ) |  |  |  | 0.11 |
| Nine months ended September 30 |
In thousands, except per share | 2018 |  |  |  | 2017 |
Income from continuing operations | $ | 2,841 |  |  |  | $ | 9,087 |
Weighted average common shares |  |  |  |  |  |  |  |
outstanding used in basic EPS |  | 43,754 |  |  |  |  | 43,601 |
Effect of dilutive SOSARs, |  |  |  |  |  |  |  |
PSAs and RSUs |  | — |  |  |  |  | 809 |
Weighted average common shares |  |  |  |  |  |  |  |
outstanding and common share |  |  |  |  |  |  |  |
equivalents used in diluted EPS |  | 43,754 |  |  |  |  | 44,410 |
Earnings per share from continuing operations |  |  |  |  |  |  |  |
Basic | $ | 0.06 |  |  |  | $ | 0.21 |
Diluted |  | 0.06 |  |  |  |  | 0.21 |
Summary of Numerator Used to Compute Per Share Income Or Loss From Discontinued Operations | The numerator used to compute per share income or loss from discontinued operations is summarized below:
|  | 2018 |  |  | 2017 |
In thousands |  | Three months ended September 30 |
Income (loss) |  | $ | (95,126 | ) |  | $ | 7,060 |
|  | Nine months ended September 30 |
Income (loss) |  | $ | (100,353 | ) |  | $ | 8,907 |
Number of Potential Common Shares that have been Excluded from Computation of Diluted Earnings Per Share for Indicated Period Due to Their Anti-Dilutive Nature | The following table sets forth potential common shares outstanding that were not included in the computation of diluted EPS for the periods indicated, because their effect would be anti-dilutive:
| September 30 |
In thousands | 2018 |  |  |  | 2017 |
Three months ended |  | 2,393 |  |  |  |  | 967 |
Nine months ended |  | 2,393 |  |  |  |  | 593 |

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- Definition Tabular disclosure of securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by antidilutive securities. + 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 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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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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