XML 75 R15.htm IDEA: XBRL DOCUMENT v2.4.0.6
Inventories
12 Months Ended
Dec. 31, 2012
Inventories  
Inventories

(6)   Inventories

        Inventories consisted of the following:

 
  December 31,  
 
  2012   2011  
 
  (in thousands)
 

Finished goods

  $ 275,169   $ 323,315  

Raw materials and precious metals

    164,287     157,931  

In-process inventories

    42,767     115,372  

Parts and supplies

    45,847     39,603  
           

 

  $ 528,070   $ 636,221