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Note 12 - Restructuring Charges (Tables)
12 Months Ended
Jan. 01, 2017
Notes Tables  
Restructuring and Related Costs [Table Text Block]
   
Total
Restructuring
Charge
   
Costs Incurred
in 2016
   
Balance at
Jan. 1, 2017
 
 
 
(in thousands)
 
Workforce Reduction
  $
10,058
    $
1,451
    $
8,607
 
Asset Impairment
   
8,019
     
8,019
     
0
 
Lease Exit Costs
   
1,711
     
27
     
1,684