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Inventories
3 Months Ended
Mar. 31, 2012
Inventories [Abstract]  
INVENTORIES
5. INVENTORIES

Inventories of the Company at March 31, 2012 and December 31, 2011 are summarized in the following table:

     
March 31,
   
December 31,
 
   
2012
   
2011
 
   
In thousands
 
Finished goods
  $ 77,098     $ 73,088  
Work-in-process
    9,149       9,056  
Raw materials
    20,144       20,317  
                 
Total inventories at current costs
    106,391       102,461  
Less:
LIFO reserve
    (10,228 )     (10,183 )
      $ 96,163     $ 92,278  
Inventories of the Company are generally valued at the lower of last-in, first-out (LIFO) cost or market.  Other inventories of the Company are valued at average cost or market, whichever is lower.  An actual valuation of inventory under the LIFO method is made at the end of each year based on the inventory levels and costs at that time.  Interim LIFO calculations are based on management's estimates of expected year-end levels and costs.