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Inventories (Tables)
6 Months Ended
Jul. 04, 2015
Inventory Disclosure [Abstract]  
Components of Inventory
Inventories consist of the following (in thousands):
 
July 4,
2015
 
January 3,
2015
Raw materials
$
34,333

 
$
33,056

Work-in-process
5,260

 
6,020

Finished goods
31,995

 
30,642

     Total inventories
$
71,588

 
$
69,718