XML 94 R13.htm IDEA: XBRL DOCUMENT v2.4.0.6
Inventories
12 Months Ended
Dec. 31, 2011
Inventories [Abstract]  
Inventories

NOTE 6— INVENTORIES

Inventories as of December 31, 2011 and 2010 consist of the following amounts (in thousands):

 

     2011      2010  

Raw materials and construction materials

   $ 21,452       $ 17,749   

Work in process

     23,462         15,029   
  

 

 

    

 

 

 
   $     44,914       $     32,778