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Inventories
9 Months Ended
Oct. 01, 2011
Inventory, Net [Abstract] 
Inventory Disclosure [Text Block]
Inventories (in thousands):

 
October 1,
2011
 
January 1,
2011
Work in progress
$
24,721

  
$
25,516

Finished goods
10,400

  
11,817

Total inventories
$
35,121

  
$
37,333