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Inventories
3 Months Ended
Mar. 31, 2013
Inventory, Net [Abstract]  
Inventories
Inventories

Inventories consist of the following (in thousands):
 
March 31, 2013
 
December 31, 2012
Finished goods
$
97,273

 
$
94,675

Raw materials
73,611

 
71,596

Work in process
16,813

 
16,975

 
$
187,697

 
$
183,246