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Earnings Per Share (Tables) | 9 Months Ended
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Sep. 30, 2019
Earnings Per Share [Abstract] |
Reconciliation Of Net Income Attributable To Ensco Shares | The following table is a reconciliation of income (loss) from continuing operations attributable to Valaris shares used in our basic and diluted earnings (loss) per share computations for the three-month and nine-month periods ended September 30, 2019 and 2018 (in millions):
| Three Months Ended September 30, |  |  |  | Nine Months Ended September 30, |  |
| 2019 |  | 2018 |  | 2019 |  | 2018
Income (loss) from continuing operations attributable to Valaris |  | $ | (197.1) |  |  | $ | (145.0) |  |  | $ | 18.0 |  |  | $ | (436.1) |
Income from continuing operations allocated to non-vested share awards(1) | — |  |  | (.2) |  |  | (.6) |  |  | (.4) |
Income (loss) from continuing operations attributable to Valaris shares |  | $ | (197.1) |  |  | $ | (145.2) |  |  | $ | 17.4 |  |  | $ | (436.5) |
(1) Losses are not allocated to non-vested share awards. Therefore, in periods in which we were in a net loss position, only dividends attributable to our non-vested share awards are included.

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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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