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Acquisition Of Atwood Acquisition Of Atwood (Tables) | 3 Months Ended
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Mar. 31, 2018
Business Combinations [Abstract] |
Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block] | The provisional amounts and respective measurement period adjustments recorded for assets acquired and liabilities assumed are based on preliminary estimates of their fair values as of the Merger Date and 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 |  |  | — |  |  | 62.3 |
Other current assets | 118.1 |  |  | 6.9 |  |  | 125.0 |
Property and equipment | 1,762.0 |  |  | 6.9 |  |  | 1,768.9 |
Other assets | 23.7 |  |  | 0.2 |  |  | 23.9 |
Liabilities: |  |  |  |  |
Accounts payable and accrued liabilities | 64.9 |  |  | (2.6 | ) |  | 62.3 |
Other liabilities | 118.7 |  |  | — |  |  | 118.7 |
Net assets acquired | 2,227.9 |  |  | 16.6 |  |  | 2,244.5 |
Less: |  |  |  |  |
Merger consideration | (781.8 | ) |  |  |  | (781.8 | )
Repayment of Atwood debt | (1,305.9 | ) |  |  |  | (1,305.9 | )
Bargain purchase gain | $ | 140.2 |  |  |  |  | $ | 156.8 |
(1) | The measurement period adjustments reflect changes in the estimated fair values of certain assets and liabilities, primarily related to inventory, capital equipment and accrued non-income tax 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. These adjustments were recorded as a $16.6 million increase to bargain purchase gain within current period earnings, which is included in other, net, in our condensed consolidated statement of operations for the three month period ended March 31, 2018.
(2) | Upon closing of the 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.

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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://www.xbrl.org/2003/role/presentationRef -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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