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Inventories
6 Months Ended
Jun. 30, 2013
Inventories [Abstract]  
Inventories

11. Inventories

The components of Inventories are summarized below:

     
  (in thousands)   June 30, 2013 December 31, 2012
Finished goods $48,698 $49,235
Work in process      42,871      44,866
Raw material and supplies      25,874      25,082
 Total inventories $117,443 $119,183

 

Inventories are stated at the lower of cost or market and are valued at average cost, net of reserves. We record a provision for obsolete inventory based on the age and category of the inventories.