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Summary of Significant Accounting Policies (Tables) | 6 Months Ended
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Jun. 30, 2013
Summary of Significant Accounting Policies |
Inventory |
|  | June 30, |  | December 31, |
|  | 2013 |  | 2012 |
|  | (In thousands) |
Raw materials |  | $ | 139,413 |  | $ | 148,822 |
Work-in-progress |  | 34,572 |  | 45,733 |
Finished goods |  | 61,057 |  | 56,578 |
|  | $ | 235,042 |  | $ | 251,133 |
Change in the carrying amount of goodwill for various contract drilling segments and other operating segments |
|  |  |  | Acquisitions |  |  |  |  |  |  |
|  |  |  | and |  |  |  |  |  |  |
|  | Balance at |  | Purchase |  | Disposals |  | Cumulative |  | Balance at |
|  | December 31, |  | Price |  | and |  | Translation |  | June 30, |
|  | 2012 |  | Adjustments |  | Impairments |  | Adjustment |  | 2013 |
|  | (In thousands) |
Drilling & Rig Services: |  |  |  |  |  |  |  |  |  |  |
U.S. |  | $ | 50,149 |  | $ | — |  | $ | — |  | $ | — |  | $ | 50,149 |
Rig Services |  | 32,113 |  | 15,828 | (1) | — |  | (902 | ) | 47,039 |
Subtotal Drilling & Rig Services |  | 82,262 |  | 15,828 |  | — |  | (902 | ) | 97,188 |
Completion & Production Services |  | 390,064 |  | — |  | — |  | — |  | 390,064 |
Total |  | $ | 472,326 |  | $ | 15,828 |  | $ | — |  | $ | (902 | ) | $ | 487,252 |
(1) Represents the goodwill recorded in connection with our acquisition of Navigate Energy Services, Inc. (“NES”). See Note 11 - Supplemental Information for additional discussion.

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- Definition Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13854-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13816-109267 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph e -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph c -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 47 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition Tabular disclosure of the carrying amount as of the balance sheet date of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 2 -Paragraph 6 -Subparagraph a,b,c -Article 5 + Details
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