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REPORTABLE SEGMENTS (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended
--- | ---
Mar. 31, 2012 segment | Mar. 31, 2011
REPORTABLE SEGMENTS |  |
Number of business segments | 4 |
Sales and other financial information by reportable segment |  |
Revenue from external customers | $ 626,514 | $ 618,479
Gross margin | 190,847 | 185,175
Reconciliation net income (loss) to gross margin |  |
Net income (loss) | 7,287 | (30,464)
Selling, general and administrative | 96,076 | 91,281
Depreciation and amortization | 87,308 | 90,478
Long-lived asset impairment | 4,332 |
Restructuring charges | 3,047 |
Interest expense | 37,991 | 37,170
Equity in income of non-consolidated affiliates | (37,339) |
Other (income) expense, net | (6,783) | (414)
Benefit from income taxes | (1,697) | (5,014)
Loss from discontinued operations, net of tax | 625 | 2,138
Gross margin | 190,847 | 185,175
North America contract operations |  |
Sales and other financial information by reportable segment |  |
Revenue from external customers | 154,170 | 151,054
Gross margin | 78,131 | 70,545
Reconciliation net income (loss) to gross margin |  |
Gross margin | 78,131 | 70,545
International contract operations |  |
Sales and other financial information by reportable segment |  |
Revenue from external customers | 112,786 | 105,681
Gross margin | 68,897 | 64,715
Reconciliation net income (loss) to gross margin |  |
Gross margin | 68,897 | 64,715
Aftermarket services |  |
Sales and other financial information by reportable segment |  |
Revenue from external customers | 97,336 | 81,698
Gross margin | 17,199 | 9,160
Reconciliation net income (loss) to gross margin |  |
Gross margin | 17,199 | 9,160
Fabrication |  |
Sales and other financial information by reportable segment |  |
Revenue from external customers | 262,222 | 280,046
Gross margin | 26,620 | 40,755
Reconciliation net income (loss) to gross margin |  |
Gross margin | 26,620 | 40,755
Reportable Segments Total |  |
Sales and other financial information by reportable segment |  |
Revenue from external customers | 626,514 | 618,479
Gross margin | 190,847 | 185,175
Reconciliation net income (loss) to gross margin |  |
Gross margin | $ 190,847 | $ 185,175

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