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REPORTABLE SEGMENTS (Details) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended 6 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
segment
Jun. 30, 2011
REPORTABLE SEGMENTS        
Number of business segments     4  
Sales and other financial information by reportable segment        
Revenue from external customers $ 630,735 $ 644,068 $ 1,245,976 $ 1,250,996
Gross margin 194,335 173,397 384,117 357,118
Reconciliation net loss to gross margin        
Net loss (166,898) (30,224) (159,611) (60,688)
Selling, general and administrative 94,134 90,450 188,973 179,875
Depreciation and amortization 88,909 90,412 174,020 178,611
Long-lived asset impairment 128,543 2,063 132,665 2,063
Restructuring charges 1,266   4,313  
Interest expense 36,968 34,586 74,959 71,756
Equity in income of non-consolidated affiliates (4,728)   (42,067)  
Other (income) expense, net 8,752 (2,853) 2,657 (2,930)
Benefit from income taxes (35,502) (14,113) (35,845) (17,580)
Loss from discontinued operations, net of tax 42,891 3,076 44,053 6,011
Gross margin 194,335 173,397 384,117 357,118
North America contract operations
        
Sales and other financial information by reportable segment        
Revenue from external customers 148,564 146,581 299,152 293,434
Gross margin 78,141 72,675 154,493 141,240
Reconciliation net loss to gross margin        
Gross margin 78,141 72,675 154,493 141,240
International contract operations
        
Sales and other financial information by reportable segment        
Revenue from external customers 112,628 110,944 225,414 216,625
Gross margin 65,536 61,178 134,433 125,893
Reconciliation net loss to gross margin        
Gross margin 65,536 61,178 134,433 125,893
Aftermarket services
        
Sales and other financial information by reportable segment        
Revenue from external customers 101,902 84,812 191,547 159,160
Gross margin 24,374 7,165 42,288 16,851
Reconciliation net loss to gross margin        
Gross margin 24,374 7,165 42,288 16,851
Fabrication
        
Sales and other financial information by reportable segment        
Revenue from external customers 267,641 301,731 529,863 581,777
Gross margin 26,284 32,379 52,903 73,134
Reconciliation net loss to gross margin        
Gross margin 26,284 32,379 52,903 73,134
Reportable Segments Total
        
Sales and other financial information by reportable segment        
Revenue from external customers 630,735 644,068 1,245,976 1,250,996
Gross margin 194,335 173,397 384,117 357,118
Reconciliation net loss to gross margin        
Gross margin $ 194,335 $ 173,397 $ 384,117 $ 357,118