XML 65 R15.htm IDEA: XBRL DOCUMENT v2.4.0.6
Inventory
9 Months Ended
Sep. 30, 2012
Inventory [Abstract]  
Inventory
6.
Inventory

A summary of inventory at September 30, 2012 and December 31, 2011 is as follows (in thousands):

   
September 30,
   
December 31,
 
   
2012
   
2011
 
             
Finished goods
  $ 253,192     $ 233,542  
Work in process
    54,213       49,514  
Raw materials, supplies and other
    47,082       71,522  
    $ 354,487     $ 354,578