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Inventories (Tables)
3 Months Ended
Apr. 04, 2015
Inventory Disclosure [Abstract]  
Schedule of inventory
Inventories are valued at the lower of cost (first in, first out) or market. Inventories consist of the following (in thousands):
 
April 4,
2015
 
January 3,
2015
Raw materials
$
35,790

 
$
29,300

Work in process
16,308

 
16,442

Finished goods
109,384

 
99,790

 
$
161,482

 
$
145,532