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Business Segment Information (Tables)
9 Months Ended
Sep. 30, 2011
Business Segment Information 
Schedule Of Segment Reporting Information By Segment
Summary Of Intercompany Segment Revenues
     
Three Months Ended
     
Nine Months Ended
 
     
September 30,
     
September 30,
 
     
2011
     
2010
     
2011
     
2010
 
     
(in thousands)
 
Contracting Services
 
$
25,410
   
$
15,886
   
$
52,574
   
$
84,053
 
Production Facilities
   
11,265
     
     
34,497
     
3,530
 
            Total
 
$
36,675
   
$
15,886
   
$
87,071
   
$
87,583
 
Intercompany Segment Gross Profit (Losses)
     
Three Months Ended
     
Nine Months Ended
 
     
September 30,
     
September 30,
 
     
2011
     
2010
     
2011
     
2010
 
     
(in thousands)
 
Contracting Services
 
$
606
   
$
330
   
$
645
   
$
15,473
 
Production Facilities
   
(78
)
   
(44
)
   
(188
)
   
3,249
 
            Total
 
$
528
   
$
286
   
$
457
   
$
18,722
 
Summary Of Identifiable Assets
   
September 30,
2011
 
December 31,
2010
     
(in thousands)
 
Identifiable Assets
               
      Contracting Services                                                                           
 
$
1,871,004
   
$
1,856,016
 
      Production Facilities                                                                           
   
513,586
     
512,990
 
      Oil and Gas                                                                           
   
1,167,419
     
1,223,014
 
            Total                                                                           
 
$
3,552,009
   
$
3,592,020