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Acquisitions (Tables) | 12 Months Ended
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Dec. 31, 2017
Business Acquisition [Line Items] |
Schedule of unaudited supplemental pro forma results present consolidated information |
|  | Year Ended |
|  | December 31, |
(In thousands, except per share amounts) |  | 2017 |  | 2016 |
Operating revenues |  | $ | 2,717,933 |  | $ | 2,362,576 |
Income (loss) from continuing operations, net of tax |  |  | (554,235) |  |  | (1,129,172) |
Income (loss) from continuing operations per share - basic |  | $ | (1.75) |  | $ | (3.59) |
Income (loss) from continuing operations per share - diluted |  | $ | (1.75) |  | $ | (3.59) |
Tesco Corporation |
Business Acquisition [Line Items] |
Allocation of purchase price as of the acquisition date |
|  | Fair Value |
(In thousands) |  | at Acquisition |
Assets: |  |  |  |
Cash and cash equivalents |  | $ | 59,804 |
Accounts receivable |  |  | 41,565 |
Inventory |  |  | 44,525 |
Other current assets |  |  | 13,889 |
Property, plant and equipment |  |  | 61,650 |
Other long-term assets |  |  | 3,647 |
Total assets |  |  | 225,080 |
Liabilities: |  |  |  |
Accounts payable |  | $ | 14,111 |
Accrued liabilities |  |  | 29,542 |
Other long-term liabilities |  |  | 2,436 |
Total liabilities |  |  | 46,089 |
Net assets acquired |  | $ | 178,991 |
Joint Venture in Saudi Arabia |
Business Acquisition [Line Items] |
Allocation of purchase price as of the acquisition date |
|  | Fair Value |
(In thousands) |  | at Acquisition |
Assets: |  |  |  |
Cash |  | $ | 48,058 |
Accounts receivable |  |  | 153,819 |
Other current assets |  |  | 58,021 |
Property, plant and equipment, net |  |  | 89,643 |
Intangible assets |  |  | 28,784 |
Goodwill |  |  | 75,634 |
Other long-term assets |  |  | 7,709 |
Total assets |  |  | 461,668 |
Liabilities: |  |  |  |
Accounts payable |  | $ | 206,599 |
Accrued liabilities |  |  | 74,393 |
Intangible liability |  |  | 13,472 |
Deferred tax liability |  |  | 4,823 |
Other long-term liabilities |  |  | 9,400 |
Total liabilities |  |  | 308,687 |
Net assets acquired |  | $ | 152,981 |

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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/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(2)-(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://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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