XML 99 R31.htm IDEA: XBRL DOCUMENT v2.4.0.6
INVENTORIES (Tables)
 12 Months Ended
Dec. 31, 2012
Inventories

Inventories at December 31 are as follows:

 

  in thousands    2012      2011  

  Inventories

      

  Finished products 1

    $ 262,886             $260,732   

  Raw materials

      27,758         23,819   

  Products in process

      5,963         4,198   

  Operating supplies and other

      38,415         38,908   

  Total

    $ 335,022         $327,657   

 

  1 

Includes inventories encumbered by the purchaser’s percentage of a volumetric production payment (see Note 19), as follows: December 31, 2012 — $8,726 thousand.