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Acquisition Of Atwood (Tables) | 12 Months Ended
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Dec. 31, 2018
Business Combinations [Abstract] |
Schedule of Provisional Amounts for Assets Acquired and Liabilities Assumed | The provisional amounts recorded for assets acquired and liabilities assumed as of the Merger Date and respective measurement period adjustments were as follows (in millions):
| Amounts Recognized as of Merger Date |  | Measurement Period Adjustments (1) |  | Estimated Fair Value
Assets: |  |  |  |  |
Cash and cash equivalents(2) | $ | 445.4 |  |  | $ | — |  |  | $ | 445.4 |
Accounts receivable(3) | 62.3 |  |  | (1.6 | ) |  | 60.7 |
Other current assets | 118.1 |  |  | 4.6 |  |  | 122.7 |
Property and equipment | 1,762.0 |  |  | 9.2 |  |  | 1,771.2 |
Other assets | 23.7 |  |  | (5.1 | ) |  | 18.6 |
Liabilities: |  |  |  |  |
Accounts payable and accrued liabilities | 64.9 |  |  | (1.1 | ) |  | 63.8 |
Other liabilities | 118.7 |  |  | 6.4 |  |  | 125.1 |
Net assets acquired | 2,227.9 |  |  | 1.8 |  |  | 2,229.7 |
Less: |  |  |  |  |
Merger consideration | (781.8 | ) |  |  |  | (781.8 | )
Repayment of Atwood debt(2) | (1,305.9 | ) |  |  |  | (1,305.9 | )
Bargain purchase gain | $ | 140.2 |  |  |  |  | $ | 142.0 |
(1) The measurement period adjustments reflect changes in the estimated fair values of certain assets and liabilities, primarily related to inventory, capital equipment and other liabilities. The measurement period adjustments were recorded to reflect new information obtained about facts and circumstances existing as of the Merger Date and did not result from subsequent intervening events. (2) Upon closing of the Atwood Merger, we utilized acquired cash of $445.4 million and cash on hand from the liquidation of short-term investments to repay Atwood's debt and accrued interest of $1.3 billion. (3) Gross contractual amounts receivable totaled $64.7 million as of the Merger Date.
Business Acquisition, Pro Forma Information | The pro forma results do not include any potential synergies or non-recurring charges resulting directly from the Atwood Merger.
(in millions, except per share amounts) | Twelve Months Ended (Unaudited)
| 2017(1) |  | 2016
Revenues | $ | 2,226.0 |  |  | $ | 3,622.1 |
Net income (loss) | (347.0 | ) |  | 1,284.9 |
Earnings (loss) per share - basic and diluted | (.80 | ) |  | 3.18 |
(1) Pro forma net income and earnings per share were adjusted to exclude an aggregate $80.7 million of merger-related and integration costs incurred by Ensco and Atwood during 2017 and the $140.2 million estimated bargain purchase gain.

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- Definition Tabular disclosure of pro forma results of operations for a material business acquisition or series of individually immaterial business acquisitions that are material in the aggregate. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(2) -URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(3) -URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 + Details
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- Definition Tabular disclosure of the amounts recognized as of the acquisition date for each major class of assets acquired and liabilities assumed. May include but not limited to the following: (a) acquired receivables; (b) contingencies recognized at the acquisition date; and (c) the fair value of noncontrolling interests in the acquiree. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=84161108&loc=d3e4845-128472 + Details
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