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Reportable Segments (Tables) | 3 Months Ended
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Mar. 31, 2013
Reportable Segments |
Sales Information by Geographical Area | The following table presents sales and other financial information by reportable segment (in thousands):
Three months ended |  | North America Contract Operations |  | International Contract Operations |  | Aftermarket Services |  | Fabrication |  | Reportable Segments Total |
March 31, 2013 |  |  |  |  |  |  |  |  |  |  |
Revenue from external customers |  | $ | 159,431 |  | $ | 109,558 |  | $ | 83,612 |  | $ | 458,776 |  | $ | 811,377 |
Gross margin(1) |  | 87,378 |  | 63,359 |  | 18,166 |  | 56,377 |  | 225,280 |
March 31, 2012: |  |  |  |  |  |  |  |  |  |  |
Revenue from external customers |  | $ | 150,588 |  | $ | 112,786 |  | $ | 89,645 |  | $ | 262,222 |  | $ | 615,241 |
Gross margin(1) |  | 76,352 |  | 68,897 |  | 17,914 |  | 26,620 |  | 189,783 |
(1) Gross margin, a non-GAAP financial measure, is reconciled to net income (loss) below.
Reconciliation of net income to gross margin | The following table reconciles net income to gross margin (in thousands):
|  | Three Months Ended March 31, |
|  | 2013 |  | 2012 |
Net income |  | $ | 58,791 |  | $ | 7,287 |
Selling, general and administrative |  | 84,979 |  | 94,839 |
Depreciation and amortization |  | 82,646 |  | 85,111 |
Long-lived asset impairment |  | 3,563 |  | 4,122 |
Restructuring charges |  | — |  | 3,047 |
Interest expense |  | 27,874 |  | 37,991 |
Equity in income of non-consolidated affiliates |  | (4,665 | ) | (37,339 | )
Other (income) expense, net |  | (9,809 | ) | (6,094 | )
Provision for (benefit from) income taxes |  | 15,151 |  | (343 | )
(Income) loss from discontinued operations, net of tax |  | (33,250 | ) | 1,162 |
Gross margin |  | $ | 225,280 |  | $ | 189,783 |

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- Definition Tabular disclosure of revenue, gross margin, assets, and capital expenditures by reportable segment reconciled to the entity's corresponding consolidated amount. + References No definition available. + Details
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- Definition Reconciliation of net income (loss) to gross margin. + References No definition available. + Details
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