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Income Per Share (Tables) | 12 Months Ended
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Dec. 31, 2017
Income Per Share |
Schedule of basic and diluted income per share | Basic and diluted income per share were computed as follows, in thousands, except share and per share amounts:
|  |  | Years Ended December 31,
|  |  | 2017 |  | 2016 |  | 2015
Income from continuing operations |  |  | $ | 158,133 |  | $ | 72,606 |  | $ | 79,123
Loss from discontinued operations, net |  |  |  | — |  |  | — |  |  | (152)
Net income - basic and diluted |  |  | $ | 158,133 |  | $ | 72,606 |  | $ | 78,971
Weighted average number of common shares outstanding - basic |  |  |  | 35,897,641 |  |  | 37,585,777 |  |  | 37,674,913
Dilutive effect of common stock equivalents: |  |  |  |  |  |  |  |  |  |
RSAs with service-based conditions |  |  |  | 221,497 |  |  | 192,705 |  |  | 93,688
RSAs with market-based conditions |  |  |  | 185,069 |  |  | 28,307 |  |  | —
RSAs with performance-based conditions |  |  |  | — |  |  | — |  |  | —
Stock options |  |  |  | 267,939 |  |  | 60,423 |  |  | 12,274
Weighted average number of common shares outstanding - diluted |  |  |  | 36,572,146 |  |  | 37,867,212 |  |  | 37,780,875
Basic income per common share: |  |  |  |  |  |  |  |  |  |
Income from continuing operations |  |  | $ | 4.41 |  | $ | 1.93 |  | $ | 2.10
Loss from discontinued operations, net |  |  |  | — |  |  | — |  |  | —
Net income |  |  | $ | 4.41 |  | $ | 1.93 |  | $ | 2.10
Diluted income per common share: |  |  |  |  |  |  |  |  |  |
Income from continuing operations |  |  | $ | 4.32 |  | $ | 1.92 |  | $ | 2.09
Loss from discontinued operations, net |  |  |  | — |  |  | — |  |  | —
Net income |  |  | $ | 4.32 |  | $ | 1.92 |  | $ | 2.09
Summary of shares excluded from the calculation of diluted income per share because their effect would have been anti-dilutive | The following table summarizes shares excluded from the calculation of diluted income per share because their effect would have been anti-dilutive:
|  | Years Ended December 31,
|  | 2017 |  | 2016 |  | 2015
Anti-dilutive common stock equivalents: |  |  |  |  |  |  |  |  |
RSAs with service-based conditions |  |  | 458 |  |  | 35,182 |  |  | 17,366
RSAs with market-based conditions |  |  | — |  |  | 6,323 |  |  | —
RSAs with performance-based conditions |  |  | — |  |  | — |  |  | —
Stock options |  |  | 45,308 |  |  | 432,287 |  |  | 127,872
Total anti-dilutive common stock equivalents |  |  | 45,766 |  |  | 473,792 |  |  | 145,238

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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://www.xbrl.org/2003/role/presentationRef -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://www.xbrl.org/2003/role/presentationRef -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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