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

The components of inventories consisted of:
 
June 30, 2013
 
December 31, 2012
Finished goods
$
76,029

 
$
126,139

Work-in-process
64,182

 
56,186

Raw material and supplies
46,013

 
43,895

 
$
186,224

 
$
226,220