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Reportable Segments (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2013 | Jun. 30, 2012 | Jun. 30, 2013 segment | Jun. 30, 2012
Reportable Segments |  |  |  |
Number of business segments |  |  | 4 |
Sales and other financial information by reportable segment |  |  |  |
Revenue from external customers | $ 837,344 | $ 630,735 | $ 1,648,721 | $ 1,245,976
Gross margin | 256,659 | 194,335 | 481,939 | 384,117
Reconciliation of net income (loss) to gross margin |  |  |  |
Net income (loss) | 24,504 | (166,898) | 83,295 | (159,611)
Selling, general and administrative | 91,117 | 94,134 | 176,096 | 188,973
Depreciation and amortization | 80,751 | 88,909 | 163,397 | 174,020
Long-lived asset impairment | 16,574 | 128,543 | 20,137 | 132,665
Restructuring charges |  | 1,266 |  | 4,313
Interest expense | 30,250 | 36,968 | 58,124 | 74,959
Equity in income of non-consolidated affiliates | (4,722) | (4,728) | (9,387) | (42,067)
Other (income) expense, net | (7,239) | 8,752 | (17,048) | 2,657
Provision for (benefit from) income taxes | 23,849 | (35,502) | 39,000 | (35,845)
(Income) loss from discontinued operations, net of tax | 1,575 | 42,891 | (31,675) | 44,053
Gross margin | 256,659 | 194,335 | 481,939 | 384,117
North America contract operations |  |  |  |
Sales and other financial information by reportable segment |  |  |  |
Revenue from external customers | 163,645 | 148,564 | 323,076 | 299,152
Gross margin | 92,484 | 78,141 | 179,862 | 154,493
Reconciliation of net income (loss) to gross margin |  |  |  |
Gross margin | 92,484 | 78,141 | 179,862 | 154,493
International contract operations |  |  |  |
Sales and other financial information by reportable segment |  |  |  |
Revenue from external customers | 117,872 | 112,628 | 227,430 | 225,414
Gross margin | 67,857 | 65,536 | 131,216 | 134,433
Reconciliation of net income (loss) to gross margin |  |  |  |
Gross margin | 67,857 | 65,536 | 131,216 | 134,433
Aftermarket services |  |  |  |
Sales and other financial information by reportable segment |  |  |  |
Revenue from external customers | 99,368 | 101,902 | 182,980 | 191,547
Gross margin | 21,432 | 24,374 | 39,598 | 42,288
Reconciliation of net income (loss) to gross margin |  |  |  |
Gross margin | 21,432 | 24,374 | 39,598 | 42,288
Fabrication |  |  |  |
Sales and other financial information by reportable segment |  |  |  |
Revenue from external customers | 456,459 | 267,641 | 915,235 | 529,863
Gross margin | 74,886 | 26,284 | 131,263 | 52,903
Reconciliation of net income (loss) to gross margin |  |  |  |
Gross margin | 74,886 | 26,284 | 131,263 | 52,903
Reportable Segments Total |  |  |  |
Sales and other financial information by reportable segment |  |  |  |
Revenue from external customers | 837,344 | 630,735 | 1,648,721 | 1,245,976
Gross margin | 256,659 | 194,335 | 481,939 | 384,117
Reconciliation of net income (loss) to gross margin |  |  |  |
Gross margin | $ 256,659 | $ 194,335 | $ 481,939 | $ 384,117

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