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Inventories
12 Months Ended
Dec. 31, 2011
Inventories [Abstract]  
Inventories
6.
Inventories
 
   
December 31,
 
   
2011
  
2010
 
   
(In thousands)
 
Finished goods, net
 $165,503  $162,885 
Work-in-process, net
  5,144   5,672 
Raw materials, net
  77,450   72,601 
Total inventories, net
 $248,097  $241,158