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Earnings Per Share | 12 Months Ended
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Dec. 31, 2017
Earnings Per Share [Abstract] |
Earnings Per Share |
3. | Earnings Per Share
The following table sets forth the computation of basic and diluted earnings per share (“EPS”) (shares in millions):
|  | Year Ended December 31,
|  | 2017 |  | 2016 |  | 2015
Net income for basic and diluted EPS | $ | 361 |  |  | $ | 163 |  |  | $ | 313 |
Basic weighted average shares outstanding | 83.4 |  |  | 92.0 |  |  | 103.4 |
Options and non-vested stock | 1.4 |  |  | 1.3 |  |  | 1.6 |
Diluted weighted average shares outstanding | 84.8 |  |  | 93.3 |  |  | 105.0 |
Earnings per share: |  |  |  |  |
| Basic | $ | 4.32 |  |  | $ | 1.78 |  |  | $ | 3.02 |
| Diluted | $ | 4.25 |  |  | $ | 1.75 |  |  | $ | 2.98 |
The following table summarizes the Company’s outstanding common stock equivalents that were anti-dilutive and therefore excluded from the computation of diluted EPS (shares in millions):
| As of December 31,
| 2017 |  | 2016 |  | 2015
Non-vested stock (a) | 0.5 |  |  | 0.2 |  |  | 0.1 |
__________
(a) | The weighted average grant date fair value for anti-dilutive non-vested stock for 2017, 2016 and 2015 was $38.40, $52.07 and $61.15, respectively.

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -URI http://asc.fasb.org/topic&trid=2144383 + Details
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