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Noncontrolling Interests (Tables) | 9 Months Ended
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Sep. 30, 2017
Noncontrolling Interest [Abstract] |
Reconciliation of Income from Continuing Operations | (Loss) income from continuing operations attributable to Ensco for the three-month and nine-month periods ended September 30, 2017 and 2016 was as follows (in millions):
| Three Months Ended September 30, |  | Nine Months Ended September 30,
| 2017 |  | 2016 |  | 2017 |  | 2016
(Loss) income from continuing operations | $ | (28.0 | ) |  | $ | 88.0 |  |  | $ | (96.7 | ) |  | $ | 858.4 |
Loss (income) from continuing operations attributable to noncontrolling interests | 2.8 |  |  | (2.0 | ) |  | .5 |  |  | (5.4 | )
(Loss) income from continuing operations attributable to Ensco | $ | (25.2 | ) |  | $ | 86.0 |  |  | $ | (96.2 | ) |  | $ | 853.0 |

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