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Inventories (Tables)
 6 Months Ended
Jun. 28, 2014
Inventories [Abstract]  
Inventories
Inventories

(In thousands)
 
June 28, 2014
   
December 28, 2013
 
               
Raw materials and supplies
 
$
53,948
   
$
54,613
 
Work-in-process
   
60,893
     
43,796
 
Finished goods
   
181,407
     
159,422
 
Valuation reserves
   
(5,110
)
   
(6,115
)
                 
Inventories
 
$
291,138
   
$
251,716