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Inventories
9 Months Ended
Sep. 30, 2013
Inventories [Abstract]  
Inventories

11. Inventories

The components of Inventories are summarized below:

(in thousands) September 30, 2013 December 31, 2012
Finished goods $45,748 $49,235
Work in process  45,958  44,866
Raw material and supplies  27,249  25,082
 Total inventories $118,955 $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.