The following table presents the computation of our basic and diluted EPS attributable to our common stock: | | | | | | | | | Three Months Ended
March 31, | (in millions, except per share data) | 2018 | 2017 | Net income | $ | 54 |
| $ | 29 |
| Weighted average shares of common stock outstanding | 70 |
| 69 |
| Basic EPS | $ | 0.77 |
| $ | 0.42 |
| | | | Net income | $ | 54 |
| $ | 29 |
| Weighted average shares of common stock | 70 |
| 69 |
| Dilutive effect of stock options and restricted stock units | 2 |
| 2 |
| Weighted average shares of common stock outstanding | 72 |
| 71 |
| Diluted EPS | $ | 0.75 |
| $ | 0.41 |
| | | | Common stock equivalents excluded from income per diluted share because of their anti-dilutive effect | 1 |
| 1 |
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