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Earnings Per Share | 9 Months Ended
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Sep. 30, 2015
Earnings Per Share [Abstract] |
Earnings Per Share | Earnings Per Share We compute basic and diluted earnings per share ("EPS") in accordance with the two-class method. Net income (loss) attributable to Ensco used in our computations of basic and diluted EPS is adjusted to exclude net income allocated to non-vested shares granted to our employees and non-employee directors. Weighted-average shares outstanding used in our computation of diluted EPS is calculated using the treasury stock method and excludes non-vested shares. The following table is a reconciliation of income from continuing operations attributable to Ensco shares used in our basic and diluted EPS computations for the three-month and nine-month periods ended September 30, 2015 and 2014 (in millions):
| Three Months Ended September 30, |  | Nine Months Ended September 30,
| 2015 |  | 2014 |  | 2015 |  | 2014
Income from continuing operations attributable to Ensco | $ | 315.4 |  |  | $ | 420.3 |  |  | $ | 910.7 |  |  | $ | 360.7 |
Income from continuing operations allocated to non-vested share awards | (4.8 | ) |  | (4.8 | ) |  | (12.2 | ) |  | (5.9 | )
Income from continuing operations attributable to Ensco shares | $ | 310.6 |  |  | $ | 415.5 |  |  | $ | 898.5 |  |  | $ | 354.8 |
The following table is a reconciliation of the weighted-average shares used in our basic and diluted EPS computations for the three-month and nine-month periods ended September 30, 2015 and 2014 (in millions):
| Three Months Ended September 30, |  | Nine Months Ended September 30,
| 2015 |  | 2014 |  | 2015 |  | 2014
Weighted-average shares - basic | 232.4 |  |  | 231.8 |  |  | 232.2 |  |  | 231.5 |
Potentially dilutive shares | .1 |  |  | .2 |  |  | — |  |  | .2 |
Weighted-average shares - diluted | 232.5 |  |  | 232.0 |  |  | 232.2 |  |  | 231.7 |
Antidilutive shares totaling 900,000 were excluded from the computation of diluted EPS for the three-month and nine-month periods ended September 30, 2015. Antidilutive shares totaling 100,000 and 200,000 were excluded from the computation of diluted EPS for the three-month and nine-month periods ended September 30, 2014.

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