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Earnings Per Share (Tables) | 9 Months Ended
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Sep. 30, 2020
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 EPS computations for the three and nine months ended September 30, 2020 and 2019 (in millions):
| Three Months Ended September 30, |  | Nine Months Ended September 30,
| 2020 |  | 2019 |  | 2020 |  | 2019
Income (loss) from continuing operations attributable to Valaris | $ | (670.9) |  |  | $ | (197.1) |  |  | $ | (4,784.6) |  |  | $ | 18.0 |
Income from continuing operations allocated to non-vested share awards(1) | — |  |  | — |  |  | — |  |  | (.6) |
Income (loss) from continuing operations attributable to Valaris shares | $ | (670.9) |  |  | $ | (197.1) |  |  | $ | (4,784.6) |  |  | $ | 17.4 |
(1) Losses are not allocated to non-vested share awards. Due to the net loss position, potentially dilutive share awards are excluded from the computation of diluted EPS.

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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/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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