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Inventories
6 Months Ended
Jun. 29, 2013
Inventory Disclosure [Abstract]  
Inventories [Text Block]
Inventories
 
Inventories by major category are as follows (in thousands):
 
 
 
June 29,
2013
 
December 29,
2012
Raw materials
 
$
59,788

 
$
51,216

Work in process
 
18,912

 
17,907

Finished goods
 
65,658

 
61,309

 
 
$
144,358

 
$
130,432